<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[httpnet的专栏]]></title><description><![CDATA[I am Not a Coder]]></description><link>https://blog.youkuaiyun.com/httpnet</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; httpnet]]></copyright><item><title><![CDATA[Wireshark 抓包MySQL的查询语句]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/5471795</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/5471795</guid><author>httpnet</author><pubDate>Sun, 11 Apr 2010 01:25:00 +0800</pubDate><description><![CDATA[过滤器条件 mysql.query contains "SELECT" ........ MySQL Protocol    Packet Length: 168    Packet Number: 0    Command        Command: Query (3)        Statement: EXPLAIN SELECT ]]></description><category></category></item><item><title><![CDATA[jQuery:CSS阴影对话框]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/5219034</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/5219034</guid><author>httpnet</author><pubDate>Thu, 21 Jan 2010 04:52:00 +0800</pubDate><description><![CDATA[jQuery插件: jquery.widget.shadowbox.js /** * 一个简单的设置DIV阴影的插件 *  * 功能: * 1. 根据阴影宽度自动调整外层容器宽度,以及透明度 * 2. 可定义ShadowBox的宽度和高度 * 3. 可用CSS样式表定义可视化样式 *  * @author joe.he  * @copyright irg]]></description><category></category></item><item><title><![CDATA[浏览器兼容性: PHP文件上传在IE和FF中$_FILES['userfile']['type']的表现形式]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/5212951</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/5212951</guid><author>httpnet</author><pubDate>Tue, 19 Jan 2010 14:13:00 +0800</pubDate><description><![CDATA[firefox   image/jpeg    image/bmp   image/gif    image/pngie 6      image/pjpeg   image/bmp   image/gif    image/x-pngie 7      image/pjpeg   image/bmp   image/gif    image/x-pngie 8]]></description><category></category></item><item><title><![CDATA[jQuery: 同步获取数据]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/5212914</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/5212914</guid><author>httpnet</author><pubDate>Tue, 19 Jan 2010 14:08:00 +0800</pubDate><description><![CDATA[关于jQuery获取返回的数据,并存储到javascript变量中的问题.要是使用同步方式,即: var $data = $.ajax({url:"data.php", async:false}).responseText; 默认的异步方式请求,在请求的数据从服务器返回前ajax函数就返回了,不能立刻得到数据.]]></description><category></category></item><item><title><![CDATA[模板继承]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/4139925</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/4139925</guid><author>httpnet</author><pubDate>Thu, 30 Apr 2009 15:37:00 +0800</pubDate><description><![CDATA[T.phpdefine (ROOT, dirname ( __FILE__ ) . DIRECTORY_SEPARATOR );require_onceSmarty.class.php;class T extends Smarty {    const INSTANCE_NAME =instanceName;    public function __construct() {]]></description><category></category></item><item><title><![CDATA[几个支持生成Python代码的UML工具]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/3752508</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/3752508</guid><author>httpnet</author><pubDate>Sun, 11 Jan 2009 14:47:00 +0800</pubDate><description><![CDATA[ 1. Acceleo是MDA（Model Driven Architecture：模型驱动体系结构）的一个代码自动生成工具，Acceleo能把模型转换为Java，C#，PHP等代码。Acceleo基于 Eclipse平台以及EMF（Eclipse模型框架），开放源代码，可以免费使用。http://www.oschina.net/p/acceleo 2.Trufun UML 2008htt]]></description><category></category></item><item><title><![CDATA[面向对象Python成员的访问约束]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/3588516</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/3588516</guid><author>httpnet</author><pubDate>Tue, 23 Dec 2008 11:48:00 +0800</pubDate><description><![CDATA[在Java，C++，以及PHP中都有对应的关键字，public，protected，private，但是在Python中却没有这些关键字来声明类成员的访问作用域。在Python中是通过一套命名体系来识别成约的访问范围的class MyObjec(object):    username = "developerworks"  # public    _email = "developerworks]]></description><category></category></item><item><title><![CDATA[Java的关键字和Linux权限的类比]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/2597625</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/2597625</guid><author>httpnet</author><pubDate>Mon, 30 Jun 2008 11:46:00 +0800</pubDate><description><![CDATA[文件以及目录访问权限: drwxrwxrwxJava关键字:private protected public private:只有我可以(用户)protected: 我在的包(用户组)可以public: 我包外面的可以(其他)]]></description><category></category></item><item><title><![CDATA[3.6 限制]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/1851285</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/1851285</guid><author>httpnet</author><pubDate>Sun, 28 Oct 2007 14:22:00 +0800</pubDate><description><![CDATA[在Falcon的Alpha版本中有一些限制，这些限制将在即将到来的发布版中得以解决：1. Falcon当前只能在Winodws和Linux的32和64位系统上运行。 2. 最大键长度被限制位1100字节。3. Serializable isolation levels are not supported. 4. Falcon behaves as if the lower_case_table]]></description><category></category></item><item><title><![CDATA[3.5.7 记录槽（Record Slot）]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/1851248</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/1851248</guid><author>httpnet</author><pubDate>Sun, 28 Oct 2007 14:11:00 +0800</pubDate><description><![CDATA[一个记录槽是一个用于在内存和磁盘中查找记录的内部记录标识符。它本质上是一个到包含特定记录的页指针。在每一个记录的存在期间一个新的记录槽会被创建。记录槽仅在记录从数据库中删除时被释放。 ]]></description><category></category></item><item><title><![CDATA[3.5.6 数据压缩]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/1851214</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/1851214</guid><author>httpnet</author><pubDate>Sun, 28 Oct 2007 14:03:00 +0800</pubDate><description><![CDATA[ 存储在Falcon表空间中的数据在磁盘上是压缩存储的，但是存储在内存中的是未压缩的格式。当数据被提交到磁盘时压缩过程自动发生。]]></description><category></category></item><item><title><![CDATA[3.5.5. Falcon线程]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/1848884</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/1848884</guid><author>httpnet</author><pubDate>Sat, 27 Oct 2007 22:11:00 +0800</pubDate><description><![CDATA[Falcon线程Falcon使用两个工作线程在Falcon结构中处理信息.一个线程,"gopher"线程专用于从Falcon日志中移动已提交的数据变更到数据页中并组合索引变更和持久索引数据.第二个工作线程用于处理页缓存的定期刷新和清理在记录缓存中分配的空间.]]></description><category></category></item><item><title><![CDATA[3.5.4. Falcon 内存缓存]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/1848875</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/1848875</guid><author>httpnet</author><pubDate>Sat, 27 Oct 2007 22:05:00 +0800</pubDate><description><![CDATA[  Falcon was designed to perform best on systems with generous amounts of memory. The memory caches utilized by Falcon are similar in some respects with other RDBMSs and MySQL engines; however, the c]]></description><category></category></item><item><title><![CDATA[3.5.3. Falcon 崩溃恢复]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/1848860</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/1848860</guid><author>httpnet</author><pubDate>Sat, 27 Oct 2007 21:57:00 +0800</pubDate><description><![CDATA[    Falcon序列日志在Falcon数据库中的第一个表被打开时测试.如果日志的状态指出有未提交的事务,崩溃恢复进程自动启动并更新数据库.当事务和变更被写入到序列日志,该日志包括对数据库的所有方面的记录变更项,包括索引,Blob数据的变更,和任何对数据库的结构的变更.     在崩溃恢复期间,Falcon测试序列日志并标识未提交到数据库的第一个日志项.恢复进程写入所有为写入的数据,索引和blo]]></description><category></category></item><item><title><![CDATA[3.5.2.2 分组提交]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/1848686</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/1848686</guid><author>httpnet</author><pubDate>Sat, 27 Oct 2007 20:41:00 +0800</pubDate><description><![CDATA[    为了性能,Falcon使用一个组提交系统保证所有到序列日志的未决更新同时写入到磁盘.Falcon能够有多个活动事务,但只有一个事务写入所有的未决更新到磁盘上的序列日志文件.减少磁盘的些操作数,改善序列日志的总体性能.     例如    1. 事务1提交,创建所有需要的日志项并开始写入日志到磁盘.    2. 当事务1提交正在被写入时,事务2和事务3写入它们的日志项到序列日志.    3.]]></description><category></category></item><item><title><![CDATA[3.5.2.1 回滚过程]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/1848635</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/1848635</guid><author>httpnet</author><pubDate>Sat, 27 Oct 2007 20:19:00 +0800</pubDate><description><![CDATA[事务回滚由处理那个事务的线程处理.回滚过程执行下面的动作:1. Backing out index updates.2. Backing out any blob data created by the transaction.3. Releasing allocated record slots.4. Backing out record versions created in memory]]></description><category></category></item><item><title><![CDATA[3.5.2 Falcon 序列日志]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/1848570</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/1848570</guid><author>httpnet</author><pubDate>Sat, 27 Oct 2007 19:54:00 +0800</pubDate><description><![CDATA[    Falcon使用序列日志在数据最终被提交到数据库之前保存特定类型的信息.该日志文件存储下列类型的信息:          1. 提交阶段的数据记录        2. 崩溃后的数据恢复要求的物理数据库变更.        3. 崩溃后的资源恢复要求的逻辑数据库变更.        4. 所有活动事务的状态变更.    在启用AUTOCOMMIT时或手动执行COMMIT命令时,Falcon中]]></description><category></category></item><item><title><![CDATA[pear: Pager_Wrapper PDO扩展]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/1779999</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/1779999</guid><author>httpnet</author><pubDate>Tue, 11 Sep 2007 00:21:00 +0800</pubDate><description><![CDATA[ /** * PDO Database Wrapper of PEAR Pager *  * @param resource $db The PDO object * @param string $query SQL Statement * @param array $pager_options Options of pager * @param boolean $disabled Whe]]></description><category></category></item><item><title><![CDATA[PHP5自动加载]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/1717666</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/1717666</guid><author>httpnet</author><pubDate>Mon, 30 Jul 2007 22:28:00 +0800</pubDate><description><![CDATA[php/*------------------------------------------------------------------*/if (strtoupper(substr(PHP_OS, 0, 3)) === WIN) {    if(!defined(NEWLINE)){        define(NEWLINE, " ");    }} else {]]></description><category></category></item><item><title><![CDATA[PHP 代码覆盖率分析]]></title><link>https://blog.youkuaiyun.com/httpnet/article/details/1707377</link><guid>https://blog.youkuaiyun.com/httpnet/article/details/1707377</guid><author>httpnet</author><pubDate>Wed, 25 Jul 2007 15:28:00 +0800</pubDate><description><![CDATA[PHP代码覆盖率分析平台: Windows 2003 Server x64 内存: 2G软件需求: 1. PHP 5.0 或以上版本 2. Xdebug Zend扩展扩展 http://www.xdebug.org 3. PEAR XML_Parser 模块1.25 或则以上版本 4. Spike PHPCoverage 0.8 http://developer.spikesource.c]]></description><category></category></item></channel></rss>