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	<title>CODIGG &#187; UCHOME</title>
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		<title>从数据库设计分析UCH的消息BUG</title>
		<link>http://www.codigg.com/2009/05/uch-pm-bug/</link>
		<comments>http://www.codigg.com/2009/05/uch-pm-bug/#comments</comments>
		<pubDate>Fri, 22 May 2009 14:22:22 +0000</pubDate>
		<dc:creator>Codigg</dc:creator>
				<category><![CDATA[PHP]]></category>
		<category><![CDATA[UCHOME]]></category>

		<guid isPermaLink="false">http://www.codigg.com/?p=50</guid>
		<description><![CDATA[先看BUG现象：



用户A发送给B一条消息。此时A，B在消息中都能看到对应的消息

其中一个用户，如A，删除消息。此时A看不到消息，B能看到

用户A，B之间再发送一条消息，此时A又可以看到已经被删除过的消息

<span class="readmore"><a href="http://www.codigg.com/2009/05/uch-pm-bug/" title="从数据库设计分析UCH的消息BUG">阅读全文——共1208字</a></span><h3>相关文章</h3><ul><li><a href="http://www.codigg.com/2009/05/uchome-javascript-memory-leak/" title="理解javascript内存泄露，案例：康盛UCenter Home (UCH)  2009.05.22">理解javascript内存泄露，案例：康盛UCenter Home (UCH) </a>(90)</li>
<li><a href="http://www.codigg.com/2009/05/php-intval-uchome/" title="理解PHP的intval函数，案例：康盛UCenter Home (UCH) 2009.05.22">理解PHP的intval函数，案例：康盛UCenter Home (UCH)</a>(6)</li>
</ul><h3>最近评论</h3><ul><li><a class="commentor" href="http://www.youtube.com/watch?v=AnCBMZHWmRI" >chrome video download</a> : <a class="comment_content" href="http://www.codigg.com/2009/05/uch-pm-bug/#comment-214060" title="View the entire comment by chrome video download" >exceptional read, We most definitely really enjoy ...</a></li>
<li><a class="commentor" href="http://www.viagrashop4usa.com" >Evagsprasia</a> : <a class="comment_content" href="http://www.codigg.com/2009/05/uch-pm-bug/#comment-214026" title="View the entire comment by Evagsprasia" >www.codigg.com  And I cannot find... Send the info...</a></li>
<li><a class="commentor" href="http://www.graphicbomb.com" >Johanne Ashbach</a> : <a class="comment_content" href="http://www.codigg.com/2009/05/uch-pm-bug/#comment-213336" title="View the entire comment by Johanne Ashbach" >I have been in similar situations before. It's not...</a></li>
<li><a class="commentor" href="http://firstuniversities.com" >feennyThype</a> : <a class="comment_content" href="http://www.codigg.com/2009/05/uch-pm-bug/#comment-212690" title="View the entire comment by feennyThype" >One of the oldest American Universities and the ol...</a></li>
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		</item>
		<item>
		<title>理解javascript内存泄露，案例：康盛UCenter Home (UCH)</title>
		<link>http://www.codigg.com/2009/05/uchome-javascript-memory-leak/</link>
		<comments>http://www.codigg.com/2009/05/uchome-javascript-memory-leak/#comments</comments>
		<pubDate>Fri, 22 May 2009 01:15:58 +0000</pubDate>
		<dc:creator>Codigg</dc:creator>
				<category><![CDATA[Javascript/CSS]]></category>
		<category><![CDATA[UCHOME]]></category>

		<guid isPermaLink="false">http://www.codigg.com/?p=27</guid>
		<description><![CDATA[<a href="http://www.codigg.com/2009/05/uchome-javascript-memory-leak/"><img align="left" hspace="5" width="150" src="http://www.codigg.com/wp-content/uploads/2009/05/uchome-memory-leak.jpg" class="alignleft wp-post-image tfe" alt="uchome-memory-leak" title="uchome-memory-leak" /></a>本文需要基本的javascript知识，准确的说，应该是JScript。

学习本文之前，请先学习MSDN文章 Understanding and Solving Internet Explorer Leak Patterns ，如果英文不好，请看中文：理解并解决IE内存泄露

经过上述文章的学习，我们应该对JScript引起的内存泄露有所了解，最主要的有以下几种方式：



循环引用(Circular References) — IE浏览器的COM组件产生的对象实例和网页脚本引擎产生的对象实例相互引用，就会造成内存泄漏。这也是Web页面中我们遇到的最常见和主要的泄漏方式；

<span class="readmore"><a href="http://www.codigg.com/2009/05/uchome-javascript-memory-leak/" title="理解javascript内存泄露，案例：康盛UCenter Home (UCH)">阅读全文——共1893字</a></span><h3>相关文章</h3><ul><li><a href="http://www.codigg.com/2009/05/uch-pm-bug/" title="从数据库设计分析UCH的消息BUG 2009.05.22">从数据库设计分析UCH的消息BUG</a>(16)</li>
<li><a href="http://www.codigg.com/2009/05/php-intval-uchome/" title="理解PHP的intval函数，案例：康盛UCenter Home (UCH) 2009.05.22">理解PHP的intval函数，案例：康盛UCenter Home (UCH)</a>(6)</li>
</ul><h3>最近评论</h3><ul><li><a class="commentor" href="http://www.newtopsellers.com" >Frazier@yahoo.com</a> : <a class="comment_content" href="http://www.codigg.com/2009/05/uchome-javascript-memory-leak/#comment-214187" title="View the entire comment by Frazier@yahoo.com" >Yet another kickass post! Definitely looking forwa...</a></li>
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		</item>
		<item>
		<title>理解PHP的intval函数，案例：康盛UCenter Home (UCH)</title>
		<link>http://www.codigg.com/2009/05/php-intval-uchome/</link>
		<comments>http://www.codigg.com/2009/05/php-intval-uchome/#comments</comments>
		<pubDate>Fri, 22 May 2009 00:56:42 +0000</pubDate>
		<dc:creator>Codigg</dc:creator>
				<category><![CDATA[PHP]]></category>
		<category><![CDATA[UCHOME]]></category>

		<guid isPermaLink="false">http://www.codigg.com/?p=23</guid>
		<description><![CDATA[?View Code PHPint intval &#40; mixed $var &#91;, int $base= 10 &#93; &#41;



这个方法很简单，文档请参阅http://cn2.php.net/intval

这里想强调的一下：



<span class="readmore"><a href="http://www.codigg.com/2009/05/php-intval-uchome/" title="理解PHP的intval函数，案例：康盛UCenter Home (UCH)">阅读全文——共537字</a></span><h3>相关文章</h3><ul><li><a href="http://www.codigg.com/2009/05/uch-pm-bug/" title="从数据库设计分析UCH的消息BUG 2009.05.22">从数据库设计分析UCH的消息BUG</a>(16)</li>
<li><a href="http://www.codigg.com/2009/05/uchome-javascript-memory-leak/" title="理解javascript内存泄露，案例：康盛UCenter Home (UCH)  2009.05.22">理解javascript内存泄露，案例：康盛UCenter Home (UCH) </a>(90)</li>
</ul><h3>最近评论</h3><ul><li><a class="commentor" href="http://www.almankurduyavrulari.net" >alman kurdu yavruları</a> : <a class="comment_content" href="http://www.codigg.com/2009/05/php-intval-uchome/#comment-214141" title="View the entire comment by alman kurdu yavruları" >Great 1 website owner good results blog publish go...</a></li>
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