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index 3088eb8a04..47167f01ff 100644
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+++ b/2014/12/24/MFC 模态对话框/index.html	
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diff --git a/2014/12/30/Clone-Graph-Part-I/index.html b/2014/12/30/Clone-Graph-Part-I/index.html
index 60239da2df..d0456aaa0a 100644
--- a/2014/12/30/Clone-Graph-Part-I/index.html
+++ b/2014/12/30/Clone-Graph-Part-I/index.html
@@ -60,8 +60,8 @@
 <meta property="article:published_time" content="2014-12-30T08:50:01.000Z">
 <meta property="article:modified_time" content="2020-01-12T13:08:26.997Z">
 <meta property="article:author" content="Nicksxs">
-<meta property="article:tag" content="leetcode">
 <meta property="article:tag" content="C++">
+<meta property="article:tag" content="leetcode">
 <meta name="twitter:card" content="summary">
 
 <link rel="canonical" href="https://nicksxs.me/2014/12/30/Clone-Graph-Part-I/">
@@ -306,19 +306,19 @@
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   <ul class="popular-posts">
     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2016/09/29/binary-watch/" rel="bookmark">binary-watch</a></div>
+      <div class="popular-posts-title"><a href="/2015/03/11/Reverse-Bits/" rel="bookmark">Reverse Bits</a></div>
     </li>
     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2016/08/14/34-Search-for-a-Range/" rel="bookmark">34_Search_for_a_Range</a></div>
+      <div class="popular-posts-title"><a href="/2019/12/07/JVM-G1-Part-1/" rel="bookmark">JVM源码分析之G1垃圾收集器分析一</a></div>
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     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/01/04/Path-Sum/" rel="bookmark">Path Sum</a></div>
+      <div class="popular-posts-title"><a href="/2015/04/14/Add-Two-Number/" rel="bookmark">add-two-number</a></div>
     </li>
     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/03/11/Reverse-Bits/" rel="bookmark">Reverse Bits</a></div>
+      <div class="popular-posts-title"><a href="/2015/04/15/Leetcode-No-3/" rel="bookmark">leetcode no.3</a></div>
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     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/03/13/Reverse-Integer/" rel="bookmark">Reverse Integer</a></div>
+      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
     </li>
   </ul>
 
@@ -362,8 +362,8 @@
 
       <footer class="post-footer">
           <div class="post-tags">
-              <a href="/tags/leetcode/" rel="tag"># leetcode</a>
               <a href="/tags/C/" rel="tag"># C++</a>
+              <a href="/tags/leetcode/" rel="tag"># leetcode</a>
           </div>
 
         
@@ -461,7 +461,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
         </a>
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@@ -499,7 +499,7 @@
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diff --git a/2015/01/04/Path-Sum/index.html b/2015/01/04/Path-Sum/index.html
index 48a3a30eb3..ef53b0d9a0 100644
--- a/2015/01/04/Path-Sum/index.html
+++ b/2015/01/04/Path-Sum/index.html
@@ -308,19 +308,19 @@
   <div class="popular-posts-header">Related Posts</div>
   <ul class="popular-posts">
     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/06/22/invert-binary-tree/" rel="bookmark">invert-binary-tree</a></div>
+      <div class="popular-posts-title"><a href="/2015/01/14/Two-Sum/" rel="bookmark">two sum</a></div>
     </li>
     <li class="popular-posts-item">
       <div class="popular-posts-title"><a href="/2016/08/14/34-Search-for-a-Range/" rel="bookmark">34_Search_for_a_Range</a></div>
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-      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
+      <div class="popular-posts-title"><a href="/2016/10/12/summary-ranges-228/" rel="bookmark">summary-ranges-228</a></div>
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     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/03/11/Reverse-Bits/" rel="bookmark">Reverse Bits</a></div>
+      <div class="popular-posts-title"><a href="/2015/04/15/Leetcode-No-3/" rel="bookmark">leetcode no.3</a></div>
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     <li class="popular-posts-item">
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+      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
     </li>
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@@ -463,7 +463,7 @@
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+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
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@@ -501,7 +501,7 @@
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diff --git a/2015/01/14/Two-Sum/index.html b/2015/01/14/Two-Sum/index.html
index 22d0b7773b..9cabc4d9a4 100644
--- a/2015/01/14/Two-Sum/index.html
+++ b/2015/01/14/Two-Sum/index.html
@@ -309,19 +309,19 @@
   <div class="popular-posts-header">Related Posts</div>
   <ul class="popular-posts">
     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/06/22/invert-binary-tree/" rel="bookmark">invert-binary-tree</a></div>
+      <div class="popular-posts-title"><a href="/2015/03/13/Reverse-Integer/" rel="bookmark">Reverse Integer</a></div>
     </li>
     <li class="popular-posts-item">
       <div class="popular-posts-title"><a href="/2016/08/14/34-Search-for-a-Range/" rel="bookmark">34_Search_for_a_Range</a></div>
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-      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
+      <div class="popular-posts-title"><a href="/2016/10/12/summary-ranges-228/" rel="bookmark">summary-ranges-228</a></div>
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-      <div class="popular-posts-title"><a href="/2015/01/04/Path-Sum/" rel="bookmark">Path Sum</a></div>
+      <div class="popular-posts-title"><a href="/2015/04/15/Leetcode-No-3/" rel="bookmark">leetcode no.3</a></div>
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+      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
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diff --git a/2015/03/11/Number-Of-1-Bits/index.html b/2015/03/11/Number-Of-1-Bits/index.html
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@@ -305,19 +305,19 @@
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diff --git a/2015/03/11/Reverse-Bits/index.html b/2015/03/11/Reverse-Bits/index.html
index 38009dc556..0bc5690973 100644
--- a/2015/03/11/Reverse-Bits/index.html
+++ b/2015/03/11/Reverse-Bits/index.html
@@ -306,19 +306,19 @@
   <div class="popular-posts-header">Related Posts</div>
   <ul class="popular-posts">
     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/06/22/invert-binary-tree/" rel="bookmark">invert-binary-tree</a></div>
+      <div class="popular-posts-title"><a href="/2015/01/14/Two-Sum/" rel="bookmark">two sum</a></div>
     </li>
     <li class="popular-posts-item">
       <div class="popular-posts-title"><a href="/2016/08/14/34-Search-for-a-Range/" rel="bookmark">34_Search_for_a_Range</a></div>
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     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
+      <div class="popular-posts-title"><a href="/2016/10/12/summary-ranges-228/" rel="bookmark">summary-ranges-228</a></div>
     </li>
     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/01/04/Path-Sum/" rel="bookmark">Path Sum</a></div>
+      <div class="popular-posts-title"><a href="/2015/04/15/Leetcode-No-3/" rel="bookmark">leetcode no.3</a></div>
     </li>
     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/03/13/Reverse-Integer/" rel="bookmark">Reverse Integer</a></div>
+      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
     </li>
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@@ -461,7 +461,7 @@
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diff --git a/2015/03/13/Reverse-Integer/index.html b/2015/03/13/Reverse-Integer/index.html
index b5395ca82c..5a687025be 100644
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@@ -309,19 +309,19 @@
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     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/06/22/invert-binary-tree/" rel="bookmark">invert-binary-tree</a></div>
+      <div class="popular-posts-title"><a href="/2015/01/14/Two-Sum/" rel="bookmark">two sum</a></div>
     </li>
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       <div class="popular-posts-title"><a href="/2016/08/14/34-Search-for-a-Range/" rel="bookmark">34_Search_for_a_Range</a></div>
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-      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
+      <div class="popular-posts-title"><a href="/2016/10/12/summary-ranges-228/" rel="bookmark">summary-ranges-228</a></div>
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     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/01/04/Path-Sum/" rel="bookmark">Path Sum</a></div>
+      <div class="popular-posts-title"><a href="/2015/04/15/Leetcode-No-3/" rel="bookmark">leetcode no.3</a></div>
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+      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
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diff --git a/2015/04/14/Add-Two-Number/index.html b/2015/04/14/Add-Two-Number/index.html
index b22006e4f3..6d546f3f60 100644
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@@ -309,19 +309,19 @@
   <div class="popular-posts-header">Related Posts</div>
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     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/06/22/invert-binary-tree/" rel="bookmark">invert-binary-tree</a></div>
+      <div class="popular-posts-title"><a href="/2015/01/14/Two-Sum/" rel="bookmark">two sum</a></div>
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     <li class="popular-posts-item">
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-      <div class="popular-posts-title"><a href="/2015/01/04/Path-Sum/" rel="bookmark">Path Sum</a></div>
+      <div class="popular-posts-title"><a href="/2015/04/15/Leetcode-No-3/" rel="bookmark">leetcode no.3</a></div>
     </li>
     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/03/11/Reverse-Bits/" rel="bookmark">Reverse Bits</a></div>
+      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
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     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/03/13/Reverse-Integer/" rel="bookmark">Reverse Integer</a></div>
+      <div class="popular-posts-title"><a href="/2015/01/04/Path-Sum/" rel="bookmark">Path Sum</a></div>
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diff --git a/2015/04/15/Leetcode-No-3/index.html b/2015/04/15/Leetcode-No-3/index.html
index 64211a3b4c..a9dce6e87b 100644
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@@ -306,19 +306,19 @@
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diff --git a/2015/06/22/invert-binary-tree/index.html b/2015/06/22/invert-binary-tree/index.html
index a65bbc1e6b..4c4297e95b 100644
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@@ -315,19 +315,19 @@
   <div class="popular-posts-header">Related Posts</div>
   <ul class="popular-posts">
     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2016/09/29/binary-watch/" rel="bookmark">binary-watch</a></div>
+      <div class="popular-posts-title"><a href="/2015/03/13/Reverse-Integer/" rel="bookmark">Reverse Integer</a></div>
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     <li class="popular-posts-item">
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-      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
+      <div class="popular-posts-title"><a href="/2016/10/12/summary-ranges-228/" rel="bookmark">summary-ranges-228</a></div>
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-      <div class="popular-posts-title"><a href="/2015/01/04/Path-Sum/" rel="bookmark">Path Sum</a></div>
+      <div class="popular-posts-title"><a href="/2015/04/15/Leetcode-No-3/" rel="bookmark">leetcode no.3</a></div>
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+      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
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@@ -469,7 +469,7 @@
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+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
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@@ -307,19 +307,19 @@
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-      <div class="popular-posts-title"><a href="/2015/06/22/invert-binary-tree/" rel="bookmark">invert-binary-tree</a></div>
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diff --git a/2016/09/29/binary-watch/index.html b/2016/09/29/binary-watch/index.html
index bc87b29d60..4bfff92d62 100644
--- a/2016/09/29/binary-watch/index.html
+++ b/2016/09/29/binary-watch/index.html
@@ -315,19 +315,19 @@
   <div class="popular-posts-header">Related Posts</div>
   <ul class="popular-posts">
     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/06/22/invert-binary-tree/" rel="bookmark">invert-binary-tree</a></div>
+      <div class="popular-posts-title"><a href="/2015/03/13/Reverse-Integer/" rel="bookmark">Reverse Integer</a></div>
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     <li class="popular-posts-item">
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-      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
+      <div class="popular-posts-title"><a href="/2016/10/12/summary-ranges-228/" rel="bookmark">summary-ranges-228</a></div>
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-      <div class="popular-posts-title"><a href="/2015/01/04/Path-Sum/" rel="bookmark">Path Sum</a></div>
+      <div class="popular-posts-title"><a href="/2015/04/15/Leetcode-No-3/" rel="bookmark">leetcode no.3</a></div>
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+      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
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@@ -470,7 +470,7 @@
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+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
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@@ -508,7 +508,7 @@
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diff --git a/2016/10/12/summary-ranges-228/index.html b/2016/10/12/summary-ranges-228/index.html
index 3bb9f2f29d..58bfeed12c 100644
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@@ -304,19 +304,19 @@
   <div class="popular-posts-header">Related Posts</div>
   <ul class="popular-posts">
     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2016/09/29/binary-watch/" rel="bookmark">binary-watch</a></div>
+      <div class="popular-posts-title"><a href="/2015/03/13/Reverse-Integer/" rel="bookmark">Reverse Integer</a></div>
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     <li class="popular-posts-item">
       <div class="popular-posts-title"><a href="/2016/08/14/34-Search-for-a-Range/" rel="bookmark">34_Search_for_a_Range</a></div>
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-      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
+      <div class="popular-posts-title"><a href="/2016/10/11/minimum-size-subarray-sum-209/" rel="bookmark">minimum-size-subarray-sum-209</a></div>
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-      <div class="popular-posts-title"><a href="/2015/01/04/Path-Sum/" rel="bookmark">Path Sum</a></div>
+      <div class="popular-posts-title"><a href="/2015/04/15/Leetcode-No-3/" rel="bookmark">leetcode no.3</a></div>
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+      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
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+          redis数据结构介绍四-第四部分 压缩表
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+        <p>在 redis 中还有一类表型数据结构叫压缩表，ziplist，它的目的是替代链表，链表是个很容易理解的数据结构，双向链表有前后指针，有带头结点的有的不带，但是链表有个比较大的问题是相对于普通的数组，它的内存不连续，碎片化的存储，内存利用效率不高，而且指针寻址相对于直接使用偏移量的话，也有一定的效率劣势，当然这不是主要的原因，ziplist 设计的主要目的是让链表的内存使用更高效</p>
+<blockquote>
+<p>The ziplist is a specially encoded dually linked list that is designed to be very memory efficient.<br>这是摘自 redis 源码中ziplist.c 文件的注释，也说明了原因，它的大概结构是这样子</p>
+</blockquote>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">&lt;zlbytes&gt; &lt;zltail&gt; &lt;zllen&gt; &lt;entry&gt; &lt;entry&gt; ... &lt;entry&gt; &lt;zlend&gt;</span><br></pre></td></tr></table></figure>
+<p>其中<br><code>&lt;zlbytes&gt;</code>表示 ziplist 占用的字节总数，类型是uint32_t，32 位的无符号整型，当然表示的字节数也包含自己本身占用的 4 个<br><code>&lt;zltail&gt;</code> 类型也是是uint32_t，表示ziplist表中最后一项（entry）在ziplist中的偏移字节数。<code>&lt;zltail&gt;</code>的存在，使得我们可以很方便地找到最后一项（不用遍历整个ziplist），从而可以在ziplist尾端快速地执行push或pop操作。<br><code>&lt;uint16_t zllen&gt;</code> 表示ziplist 中的数据项个数，因为是 16 位，所以当数量超过所能表示的最大的数量，它的 16 位全会置为 1，但是真实的数量需要遍历整个 ziplist 才能知道<br><code>&lt;entry&gt;</code>是具体的数据项，后面解释<br><code>&lt;zlend&gt;</code> ziplist 的最后一个字节，固定是255。<br>再看一下<code>&lt;entry&gt;</code>中的具体结构，</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">&lt;prevlen&gt; &lt;encoding&gt; &lt;entry-data&gt;</span><br></pre></td></tr></table></figure>
+<p>首先这个<code>&lt;prevlen&gt;</code>有两种情况，一种是前面的元素的长度，如果是小于等于 253的时候就用一个uint8_t 来表示前一元素的长度，如果大于的话他将占用五个字节，第一个字节是 254，即表示这个字节已经表示不下了，需要后面的四个字节帮忙表示<br><code>&lt;encoding&gt;</code>这个就比较复杂，把源码的注释放下面先看下</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br></pre></td><td class="code"><pre><span class="line">* |00pppppp| - 1 byte</span><br><span class="line">*      String value with length less than or equal to 63 bytes (6 bits).</span><br><span class="line">*      &quot;pppppp&quot; represents the unsigned 6 bit length.</span><br><span class="line">* |01pppppp|qqqqqqqq| - 2 bytes</span><br><span class="line">*      String value with length less than or equal to 16383 bytes (14 bits).</span><br><span class="line">*      IMPORTANT: The 14 bit number is stored in big endian.</span><br><span class="line">* |10000000|qqqqqqqq|rrrrrrrr|ssssssss|tttttttt| - 5 bytes</span><br><span class="line">*      String value with length greater than or equal to 16384 bytes.</span><br><span class="line">*      Only the 4 bytes following the first byte represents the length</span><br><span class="line">*      up to 32^2-1. The 6 lower bits of the first byte are not used and</span><br><span class="line">*      are set to zero.</span><br><span class="line">*      IMPORTANT: The 32 bit number is stored in big endian.</span><br><span class="line">* |11000000| - 3 bytes</span><br><span class="line">*      Integer encoded as int16_t (2 bytes).</span><br><span class="line">* |11010000| - 5 bytes</span><br><span class="line">*      Integer encoded as int32_t (4 bytes).</span><br><span class="line">* |11100000| - 9 bytes</span><br><span class="line">*      Integer encoded as int64_t (8 bytes).</span><br><span class="line">* |11110000| - 4 bytes</span><br><span class="line">*      Integer encoded as 24 bit signed (3 bytes).</span><br><span class="line">* |11111110| - 2 bytes</span><br><span class="line">*      Integer encoded as 8 bit signed (1 byte).</span><br><span class="line">* |1111xxxx| - (with xxxx between 0000 and 1101) immediate 4 bit integer.</span><br><span class="line">*      Unsigned integer from 0 to 12. The encoded value is actually from</span><br><span class="line">*      1 to 13 because 0000 and 1111 can not be used, so 1 should be</span><br><span class="line">*      subtracted from the encoded 4 bit value to obtain the right value.</span><br><span class="line">* |11111111| - End of ziplist special entry.</span><br></pre></td></tr></table></figure>
+<p>首先如果 encoding 的前两位是 00 的话代表这个元素是个 6 位的字符串，即直接将数据保存在 encoding 中，不消耗额外的<code>&lt;entry-data&gt;</code>，如果前两位是 01 的话表示是个 14 位的字符串，如果是 10 的话表示encoding 块之后的四个字节是存放字符串类型的数据，encoding 的剩余 6 位置 0。<br>如果 encoding 的前两位是 11 的话表示这是个整型，具体的如果后两位是00的话，表示后面是个2字节的 int16_t 类型，如果是01的话，后面是个4字节的int32_t,如果是10的话后面是8字节的int64_t,如果是 11 的话后面是 3 字节的有符号整型，这些都要最后 4 位都是 0 的情况噢<br>剩下当是<code>11111110</code>时，则表示是一个1 字节的有符号数，如果是 <code>1111xxxx</code>，其中<code>xxxx</code>在0000 到 1101 表示实际的 1 到 13，为啥呢，因为 0000 前面已经用过了，而 1110 跟 1111 也都有用了。<br>看个具体的例子(上下有点对不齐，将就看)</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">[0f 00 00 00] [0c 00 00 00] [02 00] [00 f3] [02 f6] [ff]</span><br><span class="line">|**zlbytes***|  |***zltail***|  |*zllen*|  |entry1 entry2|  |zlend|</span><br></pre></td></tr></table></figure>
+<p>第一部分代表整个 ziplist 有 15 个字节，zlbytes 自己占了 4 个 zltail 表示最后一个元素的偏移量，第 13 个字节起，zllen 表示有 2 个元素，第一个元素是<code>00f3</code>,00表示前一个元素长度是 0，本来前面就没元素(不过不知道这个能不能优化这一字节)，然后是 f3，换成二进制就是11110011,对照上面的注释，是落在|1111xxxx|这个类型里，注意这个其实是用 0001 到 1101 也就是 1到 13 来表示 0到 12，所以 f3 应该就是 2，第一个元素是 2，第二个元素呢，02 代表前一个元素也就是刚才说的这个，占用 2 字节，f6 展开也是刚才的类型，实际是 5，ff 表示 ziplist 的结尾，所以这个 ziplist 里面是两个元素，2 跟 5</p>
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diff --git a/404.html b/404.html
index 3e200b03f6..7d6201c5ff 100644
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@@ -339,7 +339,7 @@
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           <span class="site-state-item-name">posts</span>
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index fbbfc42c87..b5fc4c5ffe 100644
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diff --git a/archives/2014/index.html b/archives/2014/index.html
index 53546e1829..6f9db6ab86 100644
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@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
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@@ -367,7 +367,7 @@
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-          <span class="site-state-item-count">31</span>
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diff --git a/archives/2015/01/index.html b/archives/2015/01/index.html
index f12979eff7..1be7f79da7 100644
--- a/archives/2015/01/index.html
+++ b/archives/2015/01/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -367,7 +367,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
         </a>
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@@ -405,7 +405,7 @@
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diff --git a/archives/2015/03/index.html b/archives/2015/03/index.html
index d18d391c86..40c7535306 100644
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@@ -225,7 +225,7 @@
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       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
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@@ -367,7 +367,7 @@
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diff --git a/archives/2015/04/index.html b/archives/2015/04/index.html
index 05969c8189..18b8353c3e 100644
--- a/archives/2015/04/index.html
+++ b/archives/2015/04/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -347,7 +347,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
         </a>
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diff --git a/archives/2015/06/index.html b/archives/2015/06/index.html
index dd95d1c80f..2ce0f3aab1 100644
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@@ -225,7 +225,7 @@
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       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
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diff --git a/archives/2015/index.html b/archives/2015/index.html
index cb43187baf..a23d343e3a 100644
--- a/archives/2015/index.html
+++ b/archives/2015/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -487,7 +487,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
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diff --git a/archives/2016/07/index.html b/archives/2016/07/index.html
index e734951068..45abf36513 100644
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@@ -225,7 +225,7 @@
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       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
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@@ -327,7 +327,7 @@
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diff --git a/archives/2016/08/index.html b/archives/2016/08/index.html
index 131983b406..96cca58f69 100644
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+++ b/archives/2016/08/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -347,7 +347,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
         </a>
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diff --git a/archives/2016/09/index.html b/archives/2016/09/index.html
index 19b54c2a83..12845c0814 100644
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+++ b/archives/2016/09/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
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@@ -327,7 +327,7 @@
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-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
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diff --git a/archives/2016/10/index.html b/archives/2016/10/index.html
index 6c7437fa26..0c0070e09a 100644
--- a/archives/2016/10/index.html
+++ b/archives/2016/10/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -347,7 +347,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
         </a>
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@@ -385,7 +385,7 @@
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diff --git a/archives/2016/11/index.html b/archives/2016/11/index.html
index 7ee16ed719..21399e83ac 100644
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@@ -225,7 +225,7 @@
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       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
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@@ -327,7 +327,7 @@
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-          <span class="site-state-item-count">31</span>
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diff --git a/archives/2016/index.html b/archives/2016/index.html
index 78d2accd51..36f3706286 100644
--- a/archives/2016/index.html
+++ b/archives/2016/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -447,7 +447,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
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         </a>
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diff --git a/archives/2017/03/index.html b/archives/2017/03/index.html
index 96b532b797..8f41c15643 100644
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@@ -225,7 +225,7 @@
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       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
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@@ -327,7 +327,7 @@
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diff --git a/archives/2017/04/index.html b/archives/2017/04/index.html
index 6852526f9c..0a9385b814 100644
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+++ b/archives/2017/04/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -327,7 +327,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
         </a>
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diff --git a/archives/2017/05/index.html b/archives/2017/05/index.html
index 0634729905..df3f21406b 100644
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@@ -225,7 +225,7 @@
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       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
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@@ -327,7 +327,7 @@
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diff --git a/archives/2017/index.html b/archives/2017/index.html
index 7a5fc594ec..5c9cbe556c 100644
--- a/archives/2017/index.html
+++ b/archives/2017/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -367,7 +367,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
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diff --git a/archives/2019/06/index.html b/archives/2019/06/index.html
index 3e1c235b46..5d8fa9de46 100644
--- a/archives/2019/06/index.html
+++ b/archives/2019/06/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
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@@ -327,7 +327,7 @@
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-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
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diff --git a/archives/2019/09/index.html b/archives/2019/09/index.html
index c43c5a3b42..8eb88e0838 100644
--- a/archives/2019/09/index.html
+++ b/archives/2019/09/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -327,7 +327,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -365,7 +365,7 @@
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diff --git a/archives/2019/12/index.html b/archives/2019/12/index.html
index c3fe2f43fa..ae7941af5f 100644
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@@ -225,7 +225,7 @@
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       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
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diff --git a/archives/2019/index.html b/archives/2019/index.html
index a726ad0a69..0a21e4e929 100644
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+++ b/archives/2019/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -447,7 +447,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
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diff --git a/archives/2020/01/index.html b/archives/2020/01/index.html
index f01f961c54..59667c66f3 100644
--- a/archives/2020/01/index.html
+++ b/archives/2020/01/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -233,6 +233,26 @@
       <h1 class="collection-header">2020</h1>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-01-19T00:00:22+08:00"
+              content="2020-01-19">
+          01-19
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2020/01/19/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%9B%9B/" itemprop="url">
+            <span itemprop="name">redis数据结构介绍四-第四部分 压缩表</span>
+          </a>
+      </h2>
+
+    </header>
+  </article>
+
   <article itemscope itemtype="http://schema.org/Article">
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@@ -347,7 +367,7 @@
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           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
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diff --git a/archives/2020/index.html b/archives/2020/index.html
index 8336f09c4e..0b66a05ffe 100644
--- a/archives/2020/index.html
+++ b/archives/2020/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -233,6 +233,26 @@
       <h1 class="collection-header">2020</h1>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-01-19T00:00:22+08:00"
+              content="2020-01-19">
+          01-19
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2020/01/19/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%9B%9B/" itemprop="url">
+            <span itemprop="name">redis数据结构介绍四-第四部分 压缩表</span>
+          </a>
+      </h2>
+
+    </header>
+  </article>
+
   <article itemscope itemtype="http://schema.org/Article">
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@@ -347,7 +367,7 @@
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-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
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diff --git a/archives/index.html b/archives/index.html
index a6c440934f..b59a6c0b65 100644
--- a/archives/index.html
+++ b/archives/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -233,6 +233,26 @@
       <h1 class="collection-header">2020</h1>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-01-19T00:00:22+08:00"
+              content="2020-01-19">
+          01-19
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2020/01/19/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%9B%9B/" itemprop="url">
+            <span itemprop="name">redis数据结构介绍四-第四部分 压缩表</span>
+          </a>
+      </h2>
+
+    </header>
+  </article>
+
   <article itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -415,29 +435,6 @@
 
     </header>
   </article>
-    <div class="collection-year">
-      <h1 class="collection-header">2017</h1>
-    </div>
-
-  <article itemscope itemtype="http://schema.org/Article">
-    <header class="post-header">
-
-      <div class="post-meta">
-        <time itemprop="dateCreated"
-              datetime="2017-05-09T23:53:05+08:00"
-              content="2017-05-09">
-          05-09
-        </time>
-      </div>
-
-      <h2 class="post-title">
-          <a class="post-title-link" href="/2017/05/09/ambari-summary/" itemprop="url">
-            <span itemprop="name">ambari-summary</span>
-          </a>
-      </h2>
-
-    </header>
-  </article>
 
 
     </div>
@@ -516,7 +513,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -554,7 +551,7 @@
   <div class="widget-wrap">
     <div id="myCanvasContainer" class="widget tagcloud">
       <canvas width="250" height="250" id="resCanvas" style="width=100%">
-        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li></ul>
       </canvas>
     </div>
   </div>
diff --git a/archives/page/2/index.html b/archives/page/2/index.html
index be39d7de52..918b4b2632 100644
--- a/archives/page/2/index.html
+++ b/archives/page/2/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -233,6 +233,26 @@
       <h1 class="collection-header">2017</h1>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2017-05-09T23:53:05+08:00"
+              content="2017-05-09">
+          05-09
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2017/05/09/ambari-summary/" itemprop="url">
+            <span itemprop="name">ambari-summary</span>
+          </a>
+      </h2>
+
+    </header>
+  </article>
+
   <article itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -415,29 +435,6 @@
 
     </header>
   </article>
-    <div class="collection-year">
-      <h1 class="collection-header">2015</h1>
-    </div>
-
-  <article itemscope itemtype="http://schema.org/Article">
-    <header class="post-header">
-
-      <div class="post-meta">
-        <time itemprop="dateCreated"
-              datetime="2015-06-22T10:29:44+08:00"
-              content="2015-06-22">
-          06-22
-        </time>
-      </div>
-
-      <h2 class="post-title">
-          <a class="post-title-link" href="/2015/06/22/invert-binary-tree/" itemprop="url">
-            <span itemprop="name">invert-binary-tree</span>
-          </a>
-      </h2>
-
-    </header>
-  </article>
 
 
     </div>
@@ -516,7 +513,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -554,7 +551,7 @@
   <div class="widget-wrap">
     <div id="myCanvasContainer" class="widget tagcloud">
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-        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li></ul>
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diff --git a/archives/page/3/index.html b/archives/page/3/index.html
index 596efe37fd..0c6460fec2 100644
--- a/archives/page/3/index.html
+++ b/archives/page/3/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -233,6 +233,26 @@
       <h1 class="collection-header">2015</h1>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2015-06-22T10:29:44+08:00"
+              content="2015-06-22">
+          06-22
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2015/06/22/invert-binary-tree/" itemprop="url">
+            <span itemprop="name">invert-binary-tree</span>
+          </a>
+      </h2>
+
+    </header>
+  </article>
+
   <article itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -416,26 +436,6 @@
     </header>
   </article>
 
-  <article itemscope itemtype="http://schema.org/Article">
-    <header class="post-header">
-
-      <div class="post-meta">
-        <time itemprop="dateCreated"
-              datetime="2014-12-24T09:35:37+08:00"
-              content="2014-12-24">
-          12-24
-        </time>
-      </div>
-
-      <h2 class="post-title">
-          <a class="post-title-link" href="/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/" itemprop="url">
-            <span itemprop="name">MFC 模态对话框</span>
-          </a>
-      </h2>
-
-    </header>
-  </article>
-
 
     </div>
   </div>
@@ -513,7 +513,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -551,7 +551,7 @@
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diff --git a/archives/page/4/index.html b/archives/page/4/index.html
index f22b28eded..9c6a78b6fc 100644
--- a/archives/page/4/index.html
+++ b/archives/page/4/index.html
@@ -225,7 +225,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">OK! 31 posts in total. Keep on posting.</span>
+        <span class="collection-header">OK! 32 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -233,6 +233,26 @@
       <h1 class="collection-header">2014</h1>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2014-12-24T09:35:37+08:00"
+              content="2014-12-24">
+          12-24
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/" itemprop="url">
+            <span itemprop="name">MFC 模态对话框</span>
+          </a>
+      </h2>
+
+    </header>
+  </article>
+
   <article itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -330,7 +350,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -368,7 +388,7 @@
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diff --git a/atom.xml b/atom.xml
index c74942fc55..8085338aca 100644
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@@ -16,6 +16,45 @@
   
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+    <title>redis数据结构介绍四-第四部分 压缩表</title>
+    <link href="https://nicksxs.me/2020/01/19/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%9B%9B/"/>
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+    <published>2020-01-18T16:00:22.000Z</published>
+    <updated>2020-01-18T16:00:22.612Z</updated>
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+      
+      
+        
+        
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+        
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+      <category term="源码" scheme="https://nicksxs.me/tags/%E6%BA%90%E7%A0%81/"/>
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     <title>redis数据结构介绍三-第三部分 整数集合</title>
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-    
-      
-      
-        
-        
-          &lt;p&gt;&lt;strong&gt;Invert a binary tree&lt;/strong&gt;&lt;/p&gt;
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index 2c748f862d..6081c3e69d 100644
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index 15e241cea6..26d89ba49b 100644
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@@ -234,6 +234,26 @@
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+  <article itemscope itemtype="http://schema.org/Article">
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@@ -234,6 +234,26 @@
       <h1 class="collection-header">2020</h1>
     </div>
 
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+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-01-19T00:00:22+08:00"
+              content="2020-01-19">
+          01-19
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+      </div>
+
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+            <span itemprop="name">redis数据结构介绍四-第四部分 压缩表</span>
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@@ -224,7 +224,7 @@
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     <div class="posts-collapse">
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-        <h1 class="collection-header">Java
+        <h1 class="collection-header">java
           <small>Category</small>
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@@ -239,35 +239,15 @@
 
       <div class="post-meta">
         <time itemprop="dateCreated"
-              datetime="2019-12-21T01:03:09+08:00"
-              content="2019-12-21">
-          12-21
+              datetime="2019-09-23T23:40:05+08:00"
+              content="2019-09-23">
+          09-23
         </time>
       </div>
 
       <h2 class="post-title">
-          <a class="post-title-link" href="/2019/12/21/%E8%81%8A%E8%81%8AJava%E4%B8%AD%E7%9A%84%E5%8D%95%E4%BE%8B%E6%A8%A1%E5%BC%8F/" itemprop="url">
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-              content="2019-12-07">
-          12-07
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-
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-          <a class="post-title-link" href="/2019/12/07/JVM-G1-Part-1/" itemprop="url">
-            <span itemprop="name">JVM源码分析之G1垃圾收集器分析一</span>
+          <a class="post-title-link" href="/2019/09/23/AbstractQueuedSynchronizer/" itemprop="url">
+            <span itemprop="name">AbstractQueuedSynchronizer</span>
           </a>
       </h2>
 
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diff --git a/categories/Redis/index.html b/categories/Redis/index.html
index 11d7ac2a18..31dfe5d051 100644
--- a/categories/Redis/index.html
+++ b/categories/Redis/index.html
@@ -234,6 +234,26 @@
       <h1 class="collection-header">2020</h1>
     </div>
 
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+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-01-19T00:00:22+08:00"
+              content="2020-01-19">
+          01-19
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2020/01/19/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%9B%9B/" itemprop="url">
+            <span itemprop="name">redis数据结构介绍四-第四部分 压缩表</span>
+          </a>
+      </h2>
+
+    </header>
+  </article>
+
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+              content="2020-01-19">
+          01-19
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+          <a class="post-title-link" href="/2020/01/19/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%9B%9B/" itemprop="url">
+            <span itemprop="name">redis数据结构介绍四-第四部分 压缩表</span>
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index c6315ae230..1904a2e9ce 100644
--- a/categories/Redis/源码/index.html
+++ b/categories/Redis/源码/index.html
@@ -234,6 +234,26 @@
       <h1 class="collection-header">2020</h1>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-01-19T00:00:22+08:00"
+              content="2020-01-19">
+          01-19
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2020/01/19/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%9B%9B/" itemprop="url">
+            <span itemprop="name">redis数据结构介绍四-第四部分 压缩表</span>
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+
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+  </article>
+
   <article itemscope itemtype="http://schema.org/Article">
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@@ -370,7 +390,7 @@
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-              <ul class="category-list"><li class="category-list-item"><a class="category-list-link" href="/categories/C/">C</a><span class="category-list-count">4</span><ul class="category-list-child"><li class="category-list-item"><a class="category-list-link" href="/categories/C/Redis/">Redis</a><span class="category-list-count">4</span></li></ul></li><li class="category-list-item"><a class="category-list-link" href="/categories/C/">C++</a><span class="category-list-count">4</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/Java/">Java</a><span class="category-list-count">2</span><ul class="category-list-child"><li class="category-list-item"><a class="category-list-link" href="/categories/Java/Design-Patterns/">Design Patterns</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/Java/GC/">GC</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/Java/JVM/">JVM</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/Java/Singleton/">Singleton</a><span class="category-list-count">1</span></li></ul></li><li class="category-list-item"><a class="category-list-link" href="/categories/Redis/">Redis</a><span class="category-list-count">4</span><ul class="category-list-child"><li class="category-list-item"><a class="category-list-link" href="/categories/Redis/Distributed-Lock/">Distributed Lock</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/Redis/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/">数据结构</a><span class="category-list-count">3</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/Redis/%E6%BA%90%E7%A0%81/">源码</a><span class="category-list-count">3</span></li></ul></li><li class="category-list-item"><a class="category-list-link" href="/categories/data-analysis/">data analysis</a><span class="category-list-count">2</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/docker/">docker</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/java/">java</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/leetcode/">leetcode</a><span class="category-list-count">13</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/nginx/">nginx</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/php/">php</a><span class="category-list-count">3</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/%E7%94%9F%E6%B4%BB/">生活</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/%E8%AF%BB%E5%90%8E%E6%84%9F/">读后感</a><span class="category-list-count">1</span><ul class="category-list-child"><li class="category-list-item"><a class="category-list-link" href="/categories/%E8%AF%BB%E5%90%8E%E6%84%9F/%E6%9D%91%E4%B8%8A%E6%98%A5%E6%A0%91/">村上春树</a><span class="category-list-count">1</span></li></ul></li></ul>
+              <ul class="category-list"><li class="category-list-item"><a class="category-list-link" href="/categories/C/">C</a><span class="category-list-count">5</span><ul class="category-list-child"><li class="category-list-item"><a class="category-list-link" href="/categories/C/Redis/">Redis</a><span class="category-list-count">5</span></li></ul></li><li class="category-list-item"><a class="category-list-link" href="/categories/C/">C++</a><span class="category-list-count">4</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/Java/">Java</a><span class="category-list-count">2</span><ul class="category-list-child"><li class="category-list-item"><a class="category-list-link" href="/categories/Java/Design-Patterns/">Design Patterns</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/Java/GC/">GC</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/Java/JVM/">JVM</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/Java/Singleton/">Singleton</a><span class="category-list-count">1</span></li></ul></li><li class="category-list-item"><a class="category-list-link" href="/categories/Redis/">Redis</a><span class="category-list-count">5</span><ul class="category-list-child"><li class="category-list-item"><a class="category-list-link" href="/categories/Redis/Distributed-Lock/">Distributed Lock</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/Redis/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/">数据结构</a><span class="category-list-count">4</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/Redis/%E6%BA%90%E7%A0%81/">源码</a><span class="category-list-count">4</span></li></ul></li><li class="category-list-item"><a class="category-list-link" href="/categories/data-analysis/">data analysis</a><span class="category-list-count">2</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/docker/">docker</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/java/">java</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/leetcode/">leetcode</a><span class="category-list-count">13</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/nginx/">nginx</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/php/">php</a><span class="category-list-count">3</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/%E7%94%9F%E6%B4%BB/">生活</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/%E8%AF%BB%E5%90%8E%E6%84%9F/">读后感</a><span class="category-list-count">1</span><ul class="category-list-child"><li class="category-list-item"><a class="category-list-link" href="/categories/%E8%AF%BB%E5%90%8E%E6%84%9F/%E6%9D%91%E4%B8%8A%E6%98%A5%E6%A0%91/">村上春树</a><span class="category-list-count">1</span></li></ul></li></ul>
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@@ -329,7 +329,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">31</span>
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           <span class="site-state-item-name">posts</span>
         </a>
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@@ -367,7 +367,7 @@
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index be9105d095..8744fc20d2 100644
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index a91dc40f4e..b3dc990c2f 100644
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index 006752cd86..6217574cb2 100644
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+    <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
+      <meta itemprop="image" content="/uploads/avatar.jpg">
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+          <p>在 redis 中还有一类表型数据结构叫压缩表，ziplist，它的目的是替代链表，链表是个很容易理解的数据结构，双向链表有前后指针，有带头结点的有的不带，但是链表有个比较大的问题是相对于普通的数组，它的内存不连续，碎片化的存储，内存利用效率不高，而且指针寻址相对于直接使用偏移量的话，也有一定的效率劣势，当然这不是主要的原因，ziplist 设计的主要目的是让链表的内存使用更高效</p>
+<blockquote>
+<p>The ziplist is a specially encoded dually linked list that is designed to be very memory efficient.<br>这是摘自 redis 源码中ziplist.c 文件的注释，也说明了原因，它的大概结构是这样子</p>
+</blockquote>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">&lt;zlbytes&gt; &lt;zltail&gt; &lt;zllen&gt; &lt;entry&gt; &lt;entry&gt; ... &lt;entry&gt; &lt;zlend&gt;</span><br></pre></td></tr></table></figure>
+<p>其中<br><code>&lt;zlbytes&gt;</code>表示 ziplist 占用的字节总数，类型是uint32_t，32 位的无符号整型，当然表示的字节数也包含自己本身占用的 4 个<br><code>&lt;zltail&gt;</code> 类型也是是uint32_t，表示ziplist表中最后一项（entry）在ziplist中的偏移字节数。<code>&lt;zltail&gt;</code>的存在，使得我们可以很方便地找到最后一项（不用遍历整个ziplist），从而可以在ziplist尾端快速地执行push或pop操作。<br><code>&lt;uint16_t zllen&gt;</code> 表示ziplist 中的数据项个数，因为是 16 位，所以当数量超过所能表示的最大的数量，它的 16 位全会置为 1，但是真实的数量需要遍历整个 ziplist 才能知道<br><code>&lt;entry&gt;</code>是具体的数据项，后面解释<br><code>&lt;zlend&gt;</code> ziplist 的最后一个字节，固定是255。<br>再看一下<code>&lt;entry&gt;</code>中的具体结构，</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">&lt;prevlen&gt; &lt;encoding&gt; &lt;entry-data&gt;</span><br></pre></td></tr></table></figure>
+<p>首先这个<code>&lt;prevlen&gt;</code>有两种情况，一种是前面的元素的长度，如果是小于等于 253的时候就用一个uint8_t 来表示前一元素的长度，如果大于的话他将占用五个字节，第一个字节是 254，即表示这个字节已经表示不下了，需要后面的四个字节帮忙表示<br><code>&lt;encoding&gt;</code>这个就比较复杂，把源码的注释放下面先看下</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br></pre></td><td class="code"><pre><span class="line">* |00pppppp| - 1 byte</span><br><span class="line">*      String value with length less than or equal to 63 bytes (6 bits).</span><br><span class="line">*      &quot;pppppp&quot; represents the unsigned 6 bit length.</span><br><span class="line">* |01pppppp|qqqqqqqq| - 2 bytes</span><br><span class="line">*      String value with length less than or equal to 16383 bytes (14 bits).</span><br><span class="line">*      IMPORTANT: The 14 bit number is stored in big endian.</span><br><span class="line">* |10000000|qqqqqqqq|rrrrrrrr|ssssssss|tttttttt| - 5 bytes</span><br><span class="line">*      String value with length greater than or equal to 16384 bytes.</span><br><span class="line">*      Only the 4 bytes following the first byte represents the length</span><br><span class="line">*      up to 32^2-1. The 6 lower bits of the first byte are not used and</span><br><span class="line">*      are set to zero.</span><br><span class="line">*      IMPORTANT: The 32 bit number is stored in big endian.</span><br><span class="line">* |11000000| - 3 bytes</span><br><span class="line">*      Integer encoded as int16_t (2 bytes).</span><br><span class="line">* |11010000| - 5 bytes</span><br><span class="line">*      Integer encoded as int32_t (4 bytes).</span><br><span class="line">* |11100000| - 9 bytes</span><br><span class="line">*      Integer encoded as int64_t (8 bytes).</span><br><span class="line">* |11110000| - 4 bytes</span><br><span class="line">*      Integer encoded as 24 bit signed (3 bytes).</span><br><span class="line">* |11111110| - 2 bytes</span><br><span class="line">*      Integer encoded as 8 bit signed (1 byte).</span><br><span class="line">* |1111xxxx| - (with xxxx between 0000 and 1101) immediate 4 bit integer.</span><br><span class="line">*      Unsigned integer from 0 to 12. The encoded value is actually from</span><br><span class="line">*      1 to 13 because 0000 and 1111 can not be used, so 1 should be</span><br><span class="line">*      subtracted from the encoded 4 bit value to obtain the right value.</span><br><span class="line">* |11111111| - End of ziplist special entry.</span><br></pre></td></tr></table></figure>
+<p>首先如果 encoding 的前两位是 00 的话代表这个元素是个 6 位的字符串，即直接将数据保存在 encoding 中，不消耗额外的<code>&lt;entry-data&gt;</code>，如果前两位是 01 的话表示是个 14 位的字符串，如果是 10 的话表示encoding 块之后的四个字节是存放字符串类型的数据，encoding 的剩余 6 位置 0。<br>如果 encoding 的前两位是 11 的话表示这是个整型，具体的如果后两位是00的话，表示后面是个2字节的 int16_t 类型，如果是01的话，后面是个4字节的int32_t,如果是10的话后面是8字节的int64_t,如果是 11 的话后面是 3 字节的有符号整型，这些都要最后 4 位都是 0 的情况噢<br>剩下当是<code>11111110</code>时，则表示是一个1 字节的有符号数，如果是 <code>1111xxxx</code>，其中<code>xxxx</code>在0000 到 1101 表示实际的 1 到 13，为啥呢，因为 0000 前面已经用过了，而 1110 跟 1111 也都有用了。<br>看个具体的例子(上下有点对不齐，将就看)</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">[0f 00 00 00] [0c 00 00 00] [02 00] [00 f3] [02 f6] [ff]</span><br><span class="line">|**zlbytes***|  |***zltail***|  |*zllen*|  |entry1 entry2|  |zlend|</span><br></pre></td></tr></table></figure>
+<p>第一部分代表整个 ziplist 有 15 个字节，zlbytes 自己占了 4 个 zltail 表示最后一个元素的偏移量，第 13 个字节起，zllen 表示有 2 个元素，第一个元素是<code>00f3</code>,00表示前一个元素长度是 0，本来前面就没元素(不过不知道这个能不能优化这一字节)，然后是 f3，换成二进制就是11110011,对照上面的注释，是落在|1111xxxx|这个类型里，注意这个其实是用 0001 到 1101 也就是 1到 13 来表示 0到 12，所以 f3 应该就是 2，第一个元素是 2，第二个元素呢，02 代表前一个元素也就是刚才说的这个，占用 2 字节，f6 展开也是刚才的类型，实际是 5，ff 表示 ziplist 的结尾，所以这个 ziplist 里面是两个元素，2 跟 5</p>
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-          <h2 id="初识ambari"><a href="#初识ambari" class="headerlink" title="初识ambari"></a>初识ambari</h2><p><a href="http://ambari.apache.org/" target="_blank" rel="noopener">ambari</a>是一个大数据平台的管理工具，包含了<code>hadoop</code>, <code>yarn</code>, <code>hive</code>, <code>hbase</code>, <code>spark</code>等大数据的基础架构和工具，简化了数据平台的搭建，之前只是在同事搭建好平台后的一些使用，这次有机会从头开始用<code>ambari</code>来搭建一个测试的数据平台，过程中也踩到不少坑，简单记录下。</p>
-<h2 id="简单过程"><a href="#简单过程" class="headerlink" title="简单过程"></a>简单过程</h2><ul>
-<li>第一个坑<br>在刚开始是按照官网的指南，用maven构建，因为GFW的原因，导致反复失败等待，也就是这个<a href="https://cwiki.apache.org/confluence/display/AMBARI/Installation+Guide+for+Ambari+2.5.0" target="_blank" rel="noopener">guide</a>，因为对maven不熟悉导致有些按图索骥，浪费了很多时间，之后才知道可以直接加repo用yum安装，然而用yum安装马上就出现了第二个坑。</li>
-<li>第二个坑<br>因为在线的repo还是因为网络原因很慢很慢，用proxychains勉强把ambari-server本身安装好了，<a href="http://public-repo-1.hortonworks.com/ambari/centos7/2.x/updates/2.5.0.3/ambari.repo" target="_blank" rel="noopener">ambari.repo</a>将这个放进<code>/etc/yum.repos.d/</code>路径下，然后<code>yum update &amp;&amp; yum install ambari-server</code>安装即可，如果有条件就用proxychains走下代理。</li>
-<li>第三步<br>安装好ambari-server后先执行<code>ambari-server setup</code>做一些初始化设置，其中包含了JDK路径的设置，数据库设置，设置好就OK了，然后执行<code>ambari-server start</code>启动服务，这里有个小插曲，因为<code>ambari-server</code>涉及到这么多服务，所以管理控制监控之类的模块是必不可少的，这部分可以在<code>ambari-server</code>的web ui界面安装，也可以命令行提前安装，这部分被称为<code>HDF Management Pack</code>，运行```ambari-server install-mpack \</li>
-<li>-mpack=<a href="http://public-repo-1.hortonworks.com/HDF/centos7/2.x/updates/2.1.4.0/tars/hdf_ambari_mp/hdf-ambari-mpack-2.1.4.0-5.tar.gz" target="_blank" rel="noopener">http://public-repo-1.hortonworks.com/HDF/centos7/2.x/updates/2.1.4.0/tars/hdf_ambari_mp/hdf-ambari-mpack-2.1.4.0-5.tar.gz</a> \</li>
-<li>-purge \</li>
-<li>-verbose```<br>安装，当然这个压缩包可以下载之后指到本地路径安装，然后就可以重启<code>ambari-server</code></li>
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index 27facb38c7..873d998147 100644
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+            <span class="post-meta-item">
+              <span class="post-meta-item-icon">
+                <i class="fa fa-calendar-o"></i>
+              </span>
+              <span class="post-meta-item-text">Posted on</span>
+
+              <time title="Created: 2017-05-09 23:53:05" itemprop="dateCreated datePublished" datetime="2017-05-09T23:53:05+08:00">2017-05-09</time>
+            </span>
+              <span class="post-meta-item">
+                <span class="post-meta-item-icon">
+                  <i class="fa fa-calendar-check-o"></i>
+                </span>
+                <span class="post-meta-item-text">Edited on</span>
+                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
+              </span>
+            <span class="post-meta-item">
+              <span class="post-meta-item-icon">
+                <i class="fa fa-folder-o"></i>
+              </span>
+              <span class="post-meta-item-text">In</span>
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/data-analysis/" itemprop="url" rel="index">
+                    <span itemprop="name">data analysis</span>
+                  </a>
+                </span>
+            </span>
+
+          
+  
+  <span class="post-meta-item">
+    
+      <span class="post-meta-item-icon">
+        <i class="fa fa-comment-o"></i>
+      </span>
+      <span class="post-meta-item-text">Disqus: </span>
+    
+    <a title="disqus" href="/2017/05/09/ambari-summary/#comments" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2017/05/09/ambari-summary/" itemprop="commentCount"></span>
+    </a>
+  </span>
+  
+  
+
+        </div>
+      </header>
+
+    
+    
+    
+    <div class="post-body" itemprop="articleBody">
+
+      
+          <h2 id="初识ambari"><a href="#初识ambari" class="headerlink" title="初识ambari"></a>初识ambari</h2><p><a href="http://ambari.apache.org/" target="_blank" rel="noopener">ambari</a>是一个大数据平台的管理工具，包含了<code>hadoop</code>, <code>yarn</code>, <code>hive</code>, <code>hbase</code>, <code>spark</code>等大数据的基础架构和工具，简化了数据平台的搭建，之前只是在同事搭建好平台后的一些使用，这次有机会从头开始用<code>ambari</code>来搭建一个测试的数据平台，过程中也踩到不少坑，简单记录下。</p>
+<h2 id="简单过程"><a href="#简单过程" class="headerlink" title="简单过程"></a>简单过程</h2><ul>
+<li>第一个坑<br>在刚开始是按照官网的指南，用maven构建，因为GFW的原因，导致反复失败等待，也就是这个<a href="https://cwiki.apache.org/confluence/display/AMBARI/Installation+Guide+for+Ambari+2.5.0" target="_blank" rel="noopener">guide</a>，因为对maven不熟悉导致有些按图索骥，浪费了很多时间，之后才知道可以直接加repo用yum安装，然而用yum安装马上就出现了第二个坑。</li>
+<li>第二个坑<br>因为在线的repo还是因为网络原因很慢很慢，用proxychains勉强把ambari-server本身安装好了，<a href="http://public-repo-1.hortonworks.com/ambari/centos7/2.x/updates/2.5.0.3/ambari.repo" target="_blank" rel="noopener">ambari.repo</a>将这个放进<code>/etc/yum.repos.d/</code>路径下，然后<code>yum update &amp;&amp; yum install ambari-server</code>安装即可，如果有条件就用proxychains走下代理。</li>
+<li>第三步<br>安装好ambari-server后先执行<code>ambari-server setup</code>做一些初始化设置，其中包含了JDK路径的设置，数据库设置，设置好就OK了，然后执行<code>ambari-server start</code>启动服务，这里有个小插曲，因为<code>ambari-server</code>涉及到这么多服务，所以管理控制监控之类的模块是必不可少的，这部分可以在<code>ambari-server</code>的web ui界面安装，也可以命令行提前安装，这部分被称为<code>HDF Management Pack</code>，运行```ambari-server install-mpack \</li>
+<li>-mpack=<a href="http://public-repo-1.hortonworks.com/HDF/centos7/2.x/updates/2.1.4.0/tars/hdf_ambari_mp/hdf-ambari-mpack-2.1.4.0-5.tar.gz" target="_blank" rel="noopener">http://public-repo-1.hortonworks.com/HDF/centos7/2.x/updates/2.1.4.0/tars/hdf_ambari_mp/hdf-ambari-mpack-2.1.4.0-5.tar.gz</a> \</li>
+<li>-purge \</li>
+<li>-verbose```<br>安装，当然这个压缩包可以下载之后指到本地路径安装，然后就可以重启<code>ambari-server</code></li>
+</ul>
+
+      
+    </div>
+
+    
+    
+    
+      
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+      <footer class="post-footer">
+        <div class="post-eof"></div>
+      </footer>
+  </article>
+  
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@@ -1106,111 +1206,6 @@
   
   
 
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-      <meta itemprop="name" content="Nicksxs">
-      <meta itemprop="description" content="learn from zero,技术博客，Nicksxs，史学森">
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-      <meta itemprop="name" content="Nicksxs's Blog">
-    </span>
-      <header class="post-header">
-        <h1 class="post-title" itemprop="name headline">
-          
-            <a href="/2015/06/22/invert-binary-tree/" class="post-title-link" itemprop="url">invert-binary-tree</a>
-        </h1>
-
-        <div class="post-meta">
-            <span class="post-meta-item">
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-
-              <time title="Created: 2015-06-22 10:29:44" itemprop="dateCreated datePublished" datetime="2015-06-22T10:29:44+08:00">2015-06-22</time>
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-              <span class="post-meta-item">
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-                  <i class="fa fa-calendar-check-o"></i>
-                </span>
-                <span class="post-meta-item-text">Edited on</span>
-                <time title="Modified: 2020-01-12 21:08:26" itemprop="dateModified" datetime="2020-01-12T21:08:26+08:00">2020-01-12</time>
-              </span>
-            <span class="post-meta-item">
-              <span class="post-meta-item-icon">
-                <i class="fa fa-folder-o"></i>
-              </span>
-              <span class="post-meta-item-text">In</span>
-                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/leetcode/" itemprop="url" rel="index">
-                    <span itemprop="name">leetcode</span>
-                  </a>
-                </span>
-            </span>
-
-          
-  
-  <span class="post-meta-item">
-    
-      <span class="post-meta-item-icon">
-        <i class="fa fa-comment-o"></i>
-      </span>
-      <span class="post-meta-item-text">Disqus: </span>
-    
-    <a title="disqus" href="/2015/06/22/invert-binary-tree/#comments" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/06/22/invert-binary-tree/" itemprop="commentCount"></span>
-    </a>
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-      
-          <p><strong>Invert a binary tree</strong></p>
-<pre><code>     4
-   /   \
-  2     7
- / \   / \
-1   3 6   9</code></pre><p>to</p>
-<pre><code>     4
-   /   \
-  7     2
- / \   / \
-9   6 3   1</code></pre><p><strong>Trivia:</strong><br>This problem was inspired by <a href="https://twitter.com/mxcl/status/608682016205344768" target="_blank" rel="noopener">this original tweet</a> by <a href="https://twitter.com/mxcl" target="_blank" rel="noopener">Max Howell</a>:</p>
-<blockquote>
-<p>Google: 90% of our engineers use the software you wrote (Homebrew),<br>but you can’t invert a binary tree on a whiteboard so fuck off.  </p>
-</blockquote>
-<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * Definition for a binary tree node.</span></span><br><span class="line"><span class="comment"> * struct TreeNode &#123;</span></span><br><span class="line"><span class="comment"> *     int val;</span></span><br><span class="line"><span class="comment"> *     TreeNode *left;</span></span><br><span class="line"><span class="comment"> *     TreeNode *right;</span></span><br><span class="line"><span class="comment"> *     TreeNode(int x) : val(x), left(NULL), right(NULL) &#123;&#125;</span></span><br><span class="line"><span class="comment"> * &#125;;</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Solution</span> &#123;</span></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line">    <span class="function">TreeNode* <span class="title">invertTree</span><span class="params">(TreeNode* root)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">if</span>(root == <span class="literal">NULL</span>) <span class="keyword">return</span> root;</span><br><span class="line">        TreeNode* temp;</span><br><span class="line">        temp = invertTree(root-&gt;left);</span><br><span class="line">        root-&gt;left = invertTree(root-&gt;right);</span><br><span class="line">        root-&gt;right = temp;</span><br><span class="line">        <span class="keyword">return</span> root;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
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@@ -222,6 +222,111 @@
         
   
   
+  <article itemscope itemtype="http://schema.org/Article" class="post-block home" lang="zh-Hans">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/06/22/invert-binary-tree/">
+
+    <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
+      <meta itemprop="image" content="/uploads/avatar.jpg">
+      <meta itemprop="name" content="Nicksxs">
+      <meta itemprop="description" content="learn from zero,技术博客，Nicksxs，史学森">
+    </span>
+
+    <span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
+      <meta itemprop="name" content="Nicksxs's Blog">
+    </span>
+      <header class="post-header">
+        <h1 class="post-title" itemprop="name headline">
+          
+            <a href="/2015/06/22/invert-binary-tree/" class="post-title-link" itemprop="url">invert-binary-tree</a>
+        </h1>
+
+        <div class="post-meta">
+            <span class="post-meta-item">
+              <span class="post-meta-item-icon">
+                <i class="fa fa-calendar-o"></i>
+              </span>
+              <span class="post-meta-item-text">Posted on</span>
+
+              <time title="Created: 2015-06-22 10:29:44" itemprop="dateCreated datePublished" datetime="2015-06-22T10:29:44+08:00">2015-06-22</time>
+            </span>
+              <span class="post-meta-item">
+                <span class="post-meta-item-icon">
+                  <i class="fa fa-calendar-check-o"></i>
+                </span>
+                <span class="post-meta-item-text">Edited on</span>
+                <time title="Modified: 2020-01-12 21:08:26" itemprop="dateModified" datetime="2020-01-12T21:08:26+08:00">2020-01-12</time>
+              </span>
+            <span class="post-meta-item">
+              <span class="post-meta-item-icon">
+                <i class="fa fa-folder-o"></i>
+              </span>
+              <span class="post-meta-item-text">In</span>
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/leetcode/" itemprop="url" rel="index">
+                    <span itemprop="name">leetcode</span>
+                  </a>
+                </span>
+            </span>
+
+          
+  
+  <span class="post-meta-item">
+    
+      <span class="post-meta-item-icon">
+        <i class="fa fa-comment-o"></i>
+      </span>
+      <span class="post-meta-item-text">Disqus: </span>
+    
+    <a title="disqus" href="/2015/06/22/invert-binary-tree/#comments" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/06/22/invert-binary-tree/" itemprop="commentCount"></span>
+    </a>
+  </span>
+  
+  
+
+        </div>
+      </header>
+
+    
+    
+    
+    <div class="post-body" itemprop="articleBody">
+
+      
+          <p><strong>Invert a binary tree</strong></p>
+<pre><code>     4
+   /   \
+  2     7
+ / \   / \
+1   3 6   9</code></pre><p>to</p>
+<pre><code>     4
+   /   \
+  7     2
+ / \   / \
+9   6 3   1</code></pre><p><strong>Trivia:</strong><br>This problem was inspired by <a href="https://twitter.com/mxcl/status/608682016205344768" target="_blank" rel="noopener">this original tweet</a> by <a href="https://twitter.com/mxcl" target="_blank" rel="noopener">Max Howell</a>:</p>
+<blockquote>
+<p>Google: 90% of our engineers use the software you wrote (Homebrew),<br>but you can’t invert a binary tree on a whiteboard so fuck off.  </p>
+</blockquote>
+<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * Definition for a binary tree node.</span></span><br><span class="line"><span class="comment"> * struct TreeNode &#123;</span></span><br><span class="line"><span class="comment"> *     int val;</span></span><br><span class="line"><span class="comment"> *     TreeNode *left;</span></span><br><span class="line"><span class="comment"> *     TreeNode *right;</span></span><br><span class="line"><span class="comment"> *     TreeNode(int x) : val(x), left(NULL), right(NULL) &#123;&#125;</span></span><br><span class="line"><span class="comment"> * &#125;;</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Solution</span> &#123;</span></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line">    <span class="function">TreeNode* <span class="title">invertTree</span><span class="params">(TreeNode* root)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">if</span>(root == <span class="literal">NULL</span>) <span class="keyword">return</span> root;</span><br><span class="line">        TreeNode* temp;</span><br><span class="line">        temp = invertTree(root-&gt;left);</span><br><span class="line">        root-&gt;left = invertTree(root-&gt;right);</span><br><span class="line">        root-&gt;right = temp;</span><br><span class="line">        <span class="keyword">return</span> root;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
+      
+    </div>
+
+    
+    
+    
+      
+
+      <footer class="post-footer">
+        <div class="post-eof"></div>
+      </footer>
+  </article>
+  
+  
+  
+
+        
+  
+  
   <article itemscope itemtype="http://schema.org/Article" class="post-block home" lang="zh-Hans">
     <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/04/15/Leetcode-No-3/">
 
@@ -1116,100 +1221,6 @@
   
   
 
-        
-  
-  
-  <article itemscope itemtype="http://schema.org/Article" class="post-block home" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/">
-
-    <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
-      <meta itemprop="image" content="/uploads/avatar.jpg">
-      <meta itemprop="name" content="Nicksxs">
-      <meta itemprop="description" content="learn from zero,技术博客，Nicksxs，史学森">
-    </span>
-
-    <span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
-      <meta itemprop="name" content="Nicksxs's Blog">
-    </span>
-      <header class="post-header">
-        <h1 class="post-title" itemprop="name headline">
-          
-            <a href="/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/" class="post-title-link" itemprop="url">MFC 模态对话框</a>
-        </h1>
-
-        <div class="post-meta">
-            <span class="post-meta-item">
-              <span class="post-meta-item-icon">
-                <i class="fa fa-calendar-o"></i>
-              </span>
-              <span class="post-meta-item-text">Posted on</span>
-
-              <time title="Created: 2014-12-24 09:35:37" itemprop="dateCreated datePublished" datetime="2014-12-24T09:35:37+08:00">2014-12-24</time>
-            </span>
-              <span class="post-meta-item">
-                <span class="post-meta-item-icon">
-                  <i class="fa fa-calendar-check-o"></i>
-                </span>
-                <span class="post-meta-item-text">Edited on</span>
-                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
-              </span>
-            <span class="post-meta-item">
-              <span class="post-meta-item-icon">
-                <i class="fa fa-folder-o"></i>
-              </span>
-              <span class="post-meta-item-text">In</span>
-                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/C/" itemprop="url" rel="index">
-                    <span itemprop="name">C++</span>
-                  </a>
-                </span>
-            </span>
-
-          
-  
-  <span class="post-meta-item">
-    
-      <span class="post-meta-item-icon">
-        <i class="fa fa-comment-o"></i>
-      </span>
-      <span class="post-meta-item-text">Disqus: </span>
-    
-    <a title="disqus" href="/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/#comments" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2014/12/24/MFC 模态对话框/" itemprop="commentCount"></span>
-    </a>
-  </span>
-  
-  
-
-        </div>
-      </header>
-
-    
-    
-    
-    <div class="post-body" itemprop="articleBody">
-
-      
-          <figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">void</span> CTestDialog::OnBnClickedOk() </span><br><span class="line">&#123;</span><br><span class="line">	CString m_SrcTest;</span><br><span class="line">	<span class="keyword">int</span> nIndex = m_CbTest.GetCurSel(); </span><br><span class="line">	m_CbTest.GetLBText(nIndex, m_SrcTest);  </span><br><span class="line">	OnOK();</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-
-<p>模态对话框弹出确定后，在弹出对话框时新建的类及其变量会存在，但是对于其中的控件<br>对象无法调用函数，即如果要在主对话框中获得弹出对话框的Combo box选中值的话，需<br>要在弹出  对话框的确定函数内将其值取出，赋值给弹出对话框的公有变量，这样就可以<br>在主对话框类得到值。  </p>
-
-      
-    </div>
-
-    
-    
-    
-      
-
-      <footer class="post-footer">
-        <div class="post-eof"></div>
-      </footer>
-  </article>
-  
-  
-  
-
   </div>
 
   
@@ -1282,7 +1293,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -1320,7 +1331,7 @@
   <div class="widget-wrap">
     <div id="myCanvasContainer" class="widget tagcloud">
       <canvas width="250" height="250" id="resCanvas" style="width=100%">
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diff --git a/page/4/index.html b/page/4/index.html
index 1004ca1102..041a4c31da 100644
--- a/page/4/index.html
+++ b/page/4/index.html
@@ -222,6 +222,100 @@
         
   
   
+  <article itemscope itemtype="http://schema.org/Article" class="post-block home" lang="zh-Hans">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/">
+
+    <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
+      <meta itemprop="image" content="/uploads/avatar.jpg">
+      <meta itemprop="name" content="Nicksxs">
+      <meta itemprop="description" content="learn from zero,技术博客，Nicksxs，史学森">
+    </span>
+
+    <span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
+      <meta itemprop="name" content="Nicksxs's Blog">
+    </span>
+      <header class="post-header">
+        <h1 class="post-title" itemprop="name headline">
+          
+            <a href="/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/" class="post-title-link" itemprop="url">MFC 模态对话框</a>
+        </h1>
+
+        <div class="post-meta">
+            <span class="post-meta-item">
+              <span class="post-meta-item-icon">
+                <i class="fa fa-calendar-o"></i>
+              </span>
+              <span class="post-meta-item-text">Posted on</span>
+
+              <time title="Created: 2014-12-24 09:35:37" itemprop="dateCreated datePublished" datetime="2014-12-24T09:35:37+08:00">2014-12-24</time>
+            </span>
+              <span class="post-meta-item">
+                <span class="post-meta-item-icon">
+                  <i class="fa fa-calendar-check-o"></i>
+                </span>
+                <span class="post-meta-item-text">Edited on</span>
+                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
+              </span>
+            <span class="post-meta-item">
+              <span class="post-meta-item-icon">
+                <i class="fa fa-folder-o"></i>
+              </span>
+              <span class="post-meta-item-text">In</span>
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/C/" itemprop="url" rel="index">
+                    <span itemprop="name">C++</span>
+                  </a>
+                </span>
+            </span>
+
+          
+  
+  <span class="post-meta-item">
+    
+      <span class="post-meta-item-icon">
+        <i class="fa fa-comment-o"></i>
+      </span>
+      <span class="post-meta-item-text">Disqus: </span>
+    
+    <a title="disqus" href="/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/#comments" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2014/12/24/MFC 模态对话框/" itemprop="commentCount"></span>
+    </a>
+  </span>
+  
+  
+
+        </div>
+      </header>
+
+    
+    
+    
+    <div class="post-body" itemprop="articleBody">
+
+      
+          <figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">void</span> CTestDialog::OnBnClickedOk() </span><br><span class="line">&#123;</span><br><span class="line">	CString m_SrcTest;</span><br><span class="line">	<span class="keyword">int</span> nIndex = m_CbTest.GetCurSel(); </span><br><span class="line">	m_CbTest.GetLBText(nIndex, m_SrcTest);  </span><br><span class="line">	OnOK();</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+<p>模态对话框弹出确定后，在弹出对话框时新建的类及其变量会存在，但是对于其中的控件<br>对象无法调用函数，即如果要在主对话框中获得弹出对话框的Combo box选中值的话，需<br>要在弹出  对话框的确定函数内将其值取出，赋值给弹出对话框的公有变量，这样就可以<br>在主对话框类得到值。  </p>
+
+      
+    </div>
+
+    
+    
+    
+      
+
+      <footer class="post-footer">
+        <div class="post-eof"></div>
+      </footer>
+  </article>
+  
+  
+  
+
+        
+  
+  
   <article itemscope itemtype="http://schema.org/Article" class="post-block home" lang="zh-Hans">
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@@ -384,7 +478,7 @@
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-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
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@@ -422,7 +516,7 @@
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diff --git a/sitemap.xml b/sitemap.xml
index 50fb9393ae..4de12d9ec8 100644
--- a/sitemap.xml
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@@ -1,6 +1,13 @@
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 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   
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+    
+    <lastmod>2020-01-18T16:00:22.612Z</lastmod>
+    
+  </url>
+  
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     <loc>https://nicksxs.me/lib/pace/README.html</loc>
     
@@ -30,14 +37,14 @@
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   <url>
-    <loc>https://nicksxs.me/2019/12/10/Redis-Part-1/</loc>
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+    <loc>https://nicksxs.me/2019/12/10/Redis-Part-1/</loc>
     
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@@ -65,28 +72,28 @@
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-    <loc>https://nicksxs.me/2015/04/14/Add-Two-Number/</loc>
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-    <loc>https://nicksxs.me/2016/08/14/docker-mysql-cluster/</loc>
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@@ -142,14 +149,14 @@
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@@ -170,14 +177,14 @@
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diff --git a/tags/Design-Patterns/index.html b/tags/Design-Patterns/index.html
index f0daa64f08..7f16655744 100644
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@@ -327,7 +327,7 @@
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diff --git a/tags/Redis/index.html b/tags/Redis/index.html
index c31e7e4f9c..087a130935 100644
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@@ -234,6 +234,26 @@
       <h1 class="collection-header">2020</h1>
     </div>
 
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+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-01-19T00:00:22+08:00"
+              content="2020-01-19">
+          01-19
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+      </div>
+
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+            <span itemprop="name">redis数据结构介绍四-第四部分 压缩表</span>
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 <meta property="article:tag" content="森哥">
 <meta name="twitter:card" content="summary">
 
-<link rel="canonical" href="https://nicksxs.me/tags/C/">
+<link rel="canonical" href="https://nicksxs.me/tags/c/">
 
 
 <script id="page-configurations">
@@ -77,7 +77,7 @@
   };
 </script>
 
-  <title>Tag: C | Nicksxs's Blog</title>
+  <title>Tag: c++ | Nicksxs's Blog</title>
   
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@@ -224,14 +224,14 @@
   <div class="post-block">
     <div class="posts-collapse">
       <div class="collection-title">
-        <h1 class="collection-header">C
+        <h1 class="collection-header">c++
           <small>Tag</small>
         </h1>
       </div>
 
       
     <div class="collection-year">
-      <h1 class="collection-header">2019</h1>
+      <h1 class="collection-header">2016</h1>
     </div>
 
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@@ -239,15 +239,198 @@
 
       <div class="post-meta">
         <time itemprop="dateCreated"
-              datetime="2019-12-10T23:26:26+08:00"
-              content="2019-12-10">
-          12-10
+              datetime="2016-10-12T23:25:17+08:00"
+              content="2016-10-12">
+          10-12
         </time>
       </div>
 
       <h2 class="post-title">
-          <a class="post-title-link" href="/2019/12/10/Redis-Part-1/" itemprop="url">
-            <span itemprop="name">Redis_分布式锁</span>
+          <a class="post-title-link" href="/2016/10/12/summary-ranges-228/" itemprop="url">
+            <span itemprop="name">summary-ranges-228</span>
+          </a>
+      </h2>
+
+    </header>
+  </article>
+
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2016-10-11T22:04:28+08:00"
+              content="2016-10-11">
+          10-11
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2016/10/11/minimum-size-subarray-sum-209/" itemprop="url">
+            <span itemprop="name">minimum-size-subarray-sum-209</span>
+          </a>
+      </h2>
+
+    </header>
+  </article>
+
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2016-09-29T23:16:06+08:00"
+              content="2016-09-29">
+          09-29
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2016/09/29/binary-watch/" itemprop="url">
+            <span itemprop="name">binary-watch</span>
+          </a>
+      </h2>
+
+    </header>
+  </article>
+
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2016-08-14T21:33:24+08:00"
+              content="2016-08-14">
+          08-14
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2016/08/14/34-Search-for-a-Range/" itemprop="url">
+            <span itemprop="name">34_Search_for_a_Range</span>
+          </a>
+      </h2>
+
+    </header>
+  </article>
+    <div class="collection-year">
+      <h1 class="collection-header">2015</h1>
+    </div>
+
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2015-06-22T10:29:44+08:00"
+              content="2015-06-22">
+          06-22
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2015/06/22/invert-binary-tree/" itemprop="url">
+            <span itemprop="name">invert-binary-tree</span>
+          </a>
+      </h2>
+
+    </header>
+  </article>
+
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2015-04-15T13:49:00+08:00"
+              content="2015-04-15">
+          04-15
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2015/04/15/Leetcode-No-3/" itemprop="url">
+            <span itemprop="name">leetcode no.3</span>
+          </a>
+      </h2>
+
+    </header>
+  </article>
+
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2015-04-14T17:40:10+08:00"
+              content="2015-04-14">
+          04-14
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2015/04/14/Add-Two-Number/" itemprop="url">
+            <span itemprop="name">add-two-number</span>
+          </a>
+      </h2>
+
+    </header>
+  </article>
+
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2015-03-13T17:22:20+08:00"
+              content="2015-03-13">
+          03-13
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2015/03/13/Reverse-Integer/" itemprop="url">
+            <span itemprop="name">Reverse Integer</span>
+          </a>
+      </h2>
+
+    </header>
+  </article>
+
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2015-03-11T17:35:20+08:00"
+              content="2015-03-11">
+          03-11
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2015/03/11/Reverse-Bits/" itemprop="url">
+            <span itemprop="name">Reverse Bits</span>
+          </a>
+      </h2>
+
+    </header>
+  </article>
+
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2015-03-11T17:02:58+08:00"
+              content="2015-03-11">
+          03-11
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2015/03/11/Number-Of-1-Bits/" itemprop="url">
+            <span itemprop="name">Number of 1 Bits</span>
           </a>
       </h2>
 
@@ -261,6 +444,9 @@
   
 
   
+  <nav class="pagination">
+    <span class="page-number current">1</span><a class="page-number" href="/tags/c/page/2/">2</a><a class="extend next" rel="next" href="/tags/c/page/2/"><i class="fa fa-angle-right" aria-label="Next page"></i></a>
+  </nav>
 
 
 
@@ -327,7 +513,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">31</span>
+          <span class="site-state-item-count">32</span>
           <span class="site-state-item-name">posts</span>
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@@ -365,151 +551,7 @@
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-<meta property="og:url" content="https://nicksxs.me/tags/Java/index.html">
+<meta property="og:url" content="https://nicksxs.me/tags/java/index.html">
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-              datetime="2019-12-07T00:54:19+08:00"
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-            <span itemprop="name">JVM源码分析之G1垃圾收集器分析一</span>
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@@ -234,6 +234,26 @@
       <h1 class="collection-header">2020</h1>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-01-19T00:00:22+08:00"
+              content="2020-01-19">
+          01-19
+        </time>
+      </div>
+
+      <h2 class="post-title">
+          <a class="post-title-link" href="/2020/01/19/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%9B%9B/" itemprop="url">
+            <span itemprop="name">redis数据结构介绍四-第四部分 压缩表</span>
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@@ -234,6 +234,26 @@
       <h1 class="collection-header">2020</h1>
     </div>
 
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+
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+        <time itemprop="dateCreated"
+              datetime="2020-01-19T00:00:22+08:00"
+              content="2020-01-19">
+          01-19
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