<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[hao901017的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/hao901017</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; hao901017]]></copyright><item><title><![CDATA[怎么查看80端口占用情况? 如何查看端口占用情况？]]></title><link>https://blog.youkuaiyun.com/hao901017/article/details/7428530</link><guid>https://blog.youkuaiyun.com/hao901017/article/details/7428530</guid><author>hao901017</author><pubDate>Thu, 05 Apr 2012 14:47:17 +0800</pubDate><description><![CDATA[前言：apache虽然能运行，但是看见error.log中有httpd.exe: Could not reliably determine the server's fully qualified domain name, using 192.168.1.111 for ServerName这个错误，想看看是否有其他占用了80端口

开始--运行--cmd 进入命令提示符 输入netstat]]></description><category></category></item><item><title><![CDATA[String s = "a"+"b"+"c"+"d"共创建了多少个对象？]]></title><link>https://blog.youkuaiyun.com/hao901017/article/details/7366162</link><guid>https://blog.youkuaiyun.com/hao901017/article/details/7366162</guid><author>hao901017</author><pubDate>Sun, 18 Mar 2012 12:44:52 +0800</pubDate><description><![CDATA[String s1 = "a";
		String s2 = s1+"b";
		String s3 = "a"+"b";
		System.out.println(s2=="ab");
		System.out.println(s3=="ab");
输出结果为false和true，说明javac编译可以对字符串常量直接相加的表达式进行优化，不必要等到运行期去进行加法运算处理，而是在编译时去掉加]]></description><category></category></item><item><title><![CDATA[C#如何获取ListView控件选中项的值]]></title><link>https://blog.youkuaiyun.com/hao901017/article/details/6991654</link><guid>https://blog.youkuaiyun.com/hao901017/article/details/6991654</guid><author>hao901017</author><pubDate>Sat, 19 Nov 2011 19:53:40 +0800</pubDate><description><![CDATA[今天在使用listView控件的selectedIndexChange事件或者ItemSelectionChanged事件时获得选中的项的值一直出现异常System.ArgumentOutOfRangeException异常，提示{"InvalidArgument=“0”的值对于“index”无效。\r\n参数名: index"}，找了好久中已找到问题所在，原来这个事件是当更改选项时触发，但是当更]]></description><category></category></item></channel></rss>