<?xml version="1.0" encoding="utf-8"?><?xml-stylesheet href='http://feeds.feedsky.com/styles/temp01.xsl' type='text/xsl' ?><!--这是一个由Feedsy提供技术支持的Feed，为了提高读者阅读的体验，以及满足用户美化自己Feed的需要，我们设计了多种精美的Feed模板，提供给大家选择，所有最终呈现出来的样式，皆由用户自愿选择使用，未经许可，任何团体和个人，请不要擅自修改样式或者盗用，这是对于用户选择权的尊重。--><rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:fs="http://www.feedsky.com/namespace/feed" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:dc="http://purl.org/dc/elements/1.1/" version="2.0"><channel><atom:link href="http://feeds.feedsky.com/csdn.net/Tomsdinary" type="application/rss+xml" rel="self"></atom:link><fs:self_link href="http://feeds.feedsky.com/csdn.net/Tomsdinary" type="application/rss+xml"></fs:self_link><lastBuildDate>Fri, 03 Apr 2009 15:21:00 GMT</lastBuildDate><title>Tomsdinary的专栏</title><description>追逐梦想的双子星</description><link>http://blog.csdn.net/Tomsdinary/</link><item><title>线程驰</title><link>http://blog.csdn.net/Tomsdinary/archive/2009/04/03/4046661.aspx</link><wfw:comment>http://blog.csdn.net/Tomsdinary/comments/4046661.aspx</wfw:comment><slash:comments>0</slash:comments><wfw:commentRss>http://blog.csdn.net/Tomsdinary/comments/commentRss/4046661.aspx</wfw:commentRss><trackback:ping>http://tb.blog.csdn.net/TrackBack.aspx?PostId=4046661</trackback:ping><description>自己实现的简单线程驰，可以完成异步过程调用。代码主要采用生产者，消费者多线程模型实现，C++代码。&lt;img src =&quot;http://blog.csdn.net/Tomsdinary/aggbug/4046661.aspx&quot; width = &quot;1&quot; height = &quot;1&quot; /&gt;</description><pubDate>Fri, 03 Apr 2009 23:21:00 +0800</pubDate><author>刘晶</author><comments>http://blog.csdn.net/Tomsdinary/archive/2009/04/03/4046661.aspx#Feedback</comments><guid isPermaLink="false">http://blog.csdn.net/Tomsdinary/archive/2009/04/03/4046661.aspx</guid><dc:creator>刘晶</dc:creator><fs:srclink>http://blog.csdn.net/Tomsdinary/archive/2009/04/03/4046661.aspx</fs:srclink><fs:srcfeed>http://blog.csdn.net/Tomsdinary/rss.aspx</fs:srcfeed><fs:itemid>csdn.net/Tomsdinary/~1331533/206298366/1336173</fs:itemid></item><item><title>散列技术与策略设计</title><link>http://blog.csdn.net/Tomsdinary/archive/2008/11/28/3400389.aspx</link><wfw:comment>http://blog.csdn.net/Tomsdinary/comments/3400389.aspx</wfw:comment><slash:comments>1</slash:comments><wfw:commentRss>http://blog.csdn.net/Tomsdinary/comments/commentRss/3400389.aspx</wfw:commentRss><trackback:ping>http://tb.blog.csdn.net/TrackBack.aspx?PostId=3400389</trackback:ping><description>                   散列技术与策略设计——原理，技术及实现                   Tomsdinary Editor前言    数据库德存储结构中必须考虑的一个核心问题是数据的插入，查找和检索的效率问题。索引技术结合散列技术可以成倍的提高数据库数据的查找和操作。此文将讨论一般散列技术的具体实现。但它并没有涉及到具体的数据库系统中的设计实现。此文的一大特色就在于C++高级语言特性和先进设计思想的使用——基于策略的设计。虽然在国际上此设计方式早已传开，但作为学习的个人能够实际运用上还是有成就感的。散列技术   在基于比较的排序算法最好效率复杂度是O(nlog n).。而针对已经排好序或某种特殊结构的查找算法的最好效率也只是O(log n)。是否存在一种既不需要对数列排序又可获得比O(log n)更好的查找效率的数据结构。   这就是散列技术用到的哈希表。散列技术是根据记录的查找键值，使用一个函数计算得到的函数值作为磁盘块的地址，对记录进行存储和访问的方法。&lt;img src =&quot;http://blog.csdn.net/Tomsdinary/aggbug/3400389.aspx&quot; 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