<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[wangweijohn的专栏]]></title><description><![CDATA[]]></description><link>https://blog.csdn.net/wangweijohn</link><language>zh-cn</language><generator>https://blog.csdn.net/</generator><copyright><![CDATA[Copyright &copy; wangweijohn]]></copyright><item><title><![CDATA[apache2 JK tomcat6 集群 负载均衡]]></title><link>https://blog.csdn.net/wangweijohn/article/details/83740723</link><guid>https://blog.csdn.net/wangweijohn/article/details/83740723</guid><author>wangweijohn</author><pubDate>Mon, 01 Nov 2010 21:17:19 +0800</pubDate><description><![CDATA[最开始打算用apache2自带的mod_jk方式来配置cluster，参考了网上的一些文章也看了官方的doc，最后做到session粘连和session复制都可以，唯独失效转移不能实现。当tomcat1突然shutdown后不能自动转移到tomcat2上，需要手动的刷新才能转移到tomcat2上，郁闷死了。
 
apache2的mod_jk配置见下面：(都在httpd.conf 里配置，未曾开...]]></description><category></category></item><item><title><![CDATA[安装]]></title><link>https://blog.csdn.net/wangweijohn/article/details/4543253</link><guid>https://blog.csdn.net/wangweijohn/article/details/4543253</guid><author>wangweijohn</author><pubDate>Fri, 11 Sep 2009 15:55:00 +0800</pubDate><description><![CDATA[安装没啥大问题，如同网上的。 1.解压:    tar zxvf postgresql-8.4.1   cd postgresql-8.4.1 2.配置:    ./configure --prefix=/usr/local/pgsql 3.编译:    make 4.安装:    make intall 5.创建组和用户]]></description><category></category></item><item><title><![CDATA[非捕获组   non-capturing]]></title><link>https://blog.csdn.net/wangweijohn/article/details/4518149</link><guid>https://blog.csdn.net/wangweijohn/article/details/4518149</guid><author>wangweijohn</author><pubDate>Fri, 04 Sep 2009 10:49:00 +0800</pubDate><description><![CDATA[先看帖子:     http://topic.csdn.net/u/20090903/10/42c34333-502e-40f2-aa65-dbebce8215a1.html?seed=1630205838&r=59556811#r_59556811  正则的高级应用之非捕获组的 ?= 1.public static void main(String[] args)]]></description><category></category></item><item><title><![CDATA[创建模式]]></title><link>https://blog.csdn.net/wangweijohn/article/details/4477132</link><guid>https://blog.csdn.net/wangweijohn/article/details/4477132</guid><author>wangweijohn</author><pubDate>Mon, 24 Aug 2009 10:14:00 +0800</pubDate><description><![CDATA[ 创建模式(Creational Pattern)是对类的实例化过程的抽象化。               动态地决定怎么创建对象，创建哪些对象，如何组合和表示这些对象。        创建模式分为类的创建模式和对象的创建模式:                    类的创建模式: 使用继承关系，把类的创建延迟到子类，从而封装了客户端将得到哪些具体类的信息，并隐藏了这些类的]]></description><category></category></item><item><title><![CDATA[设计模式时的相关原则]]></title><link>https://blog.csdn.net/wangweijohn/article/details/4476982</link><guid>https://blog.csdn.net/wangweijohn/article/details/4476982</guid><author>wangweijohn</author><pubDate>Mon, 24 Aug 2009 09:44:00 +0800</pubDate><description><![CDATA[开闭原则(Open-Closed Principle OCP):                Software entities should be open for extension,  but closed for modification.            这个模块可以在不被修改的前提下被扩展。(不修改源代码而改变模块的行为)             例如：策略]]></description><category></category></item><item><title><![CDATA[模式的要素]]></title><link>https://blog.csdn.net/wangweijohn/article/details/4476848</link><guid>https://blog.csdn.net/wangweijohn/article/details/4476848</guid><author>wangweijohn</author><pubDate>Mon, 24 Aug 2009 09:12:00 +0800</pubDate><description><![CDATA[名字(Name):有意义的、简短而准确的名字 问题(Problem):能够描述该模式的用意，要达到的目标和效果 环境或初始条件(Context or Initial Context):模式的问题和模式的解答出现所需要的前提条件 力(Forces):所有对模式有影响的力，比如 约束、为所得到的好处付出的代价 解答(Solution):确定模式的结构、所涉及的角色以及角]]></description><category></category></item></channel></rss>