<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[LeeWuu的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/LeeWuu</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; LeeWuu]]></copyright><item><title><![CDATA[linux 笔记]]></title><link>https://blog.youkuaiyun.com/LeeWuu/article/details/45393163</link><guid>https://blog.youkuaiyun.com/LeeWuu/article/details/45393163</guid><author>LeeWuu</author><pubDate>Thu, 30 Apr 2015 12:07:06 +0800</pubDate><description><![CDATA[cd
进入个人目录
cd -
返回上次浏览的目录
ls -a
显示隐藏的文件
mkdir dir1 创建一个叫做 'dir1' 的目录' 
mkdir dir1 dir2 同时创建两个目录 
mkdir -p /tmp/dir1/dir2 创建一个目录树 
rm -f file1 删除一个叫做 'file1' 的文件' 
rmdir dir1 删除一个叫做 'dir1' 的目录]]></description><category></category></item><item><title><![CDATA[MySQL笔记]]></title><link>https://blog.youkuaiyun.com/LeeWuu/article/details/45393109</link><guid>https://blog.youkuaiyun.com/LeeWuu/article/details/45393109</guid><author>LeeWuu</author><pubDate>Thu, 30 Apr 2015 12:00:15 +0800</pubDate><description><![CDATA[获取表中所有字段
select column_name from information_schema.columns where table_schema='dbo' and table_name=‘sy_sitem'



将某个字段下的值拼接成一个字符串：
select GROUP_CONCAT(字段名 SEPARATOR '连接符') from table;


值替换：]]></description><category></category></item><item><title><![CDATA[android 笔记]]></title><link>https://blog.youkuaiyun.com/LeeWuu/article/details/45393079</link><guid>https://blog.youkuaiyun.com/LeeWuu/article/details/45393079</guid><author>LeeWuu</author><pubDate>Thu, 30 Apr 2015 11:56:45 +0800</pubDate><description><![CDATA[et.setFocusable(false)]]></description><category></category></item><item><title><![CDATA[git 笔记]]></title><link>https://blog.youkuaiyun.com/LeeWuu/article/details/45393003</link><guid>https://blog.youkuaiyun.com/LeeWuu/article/details/45393003</guid><author>LeeWuu</author><pubDate>Thu, 30 Apr 2015 11:51:56 +0800</pubDate><description><![CDATA[http://www.liaoxuefeng.com/wiki/0013739516305929606dd18361248578c67b8067c8c017b000
常用知识整理：

回退：
HEAD指向的版本就是当前版本，因此，Git允许我们在版本的历史之间穿梭，使用命令git reset --hard commit_id。
穿梭前，用git log可以查看提交历史，以便确定要回退到哪]]></description><category></category></item><item><title><![CDATA[android 模拟器]]></title><link>https://blog.youkuaiyun.com/LeeWuu/article/details/45392977</link><guid>https://blog.youkuaiyun.com/LeeWuu/article/details/45392977</guid><author>LeeWuu</author><pubDate>Thu, 30 Apr 2015 11:49:14 +0800</pubDate><description><![CDATA[http://www.iplaysoft.com/genymotion.html]]></description><category></category></item><item><title><![CDATA[iOS控件之基础知识]]></title><link>https://blog.youkuaiyun.com/LeeWuu/article/details/39338039</link><guid>https://blog.youkuaiyun.com/LeeWuu/article/details/39338039</guid><author>LeeWuu</author><pubDate>Wed, 17 Sep 2014 09:37:15 +0800</pubDate><description><![CDATA[[self.btnTitle
setTitle:[NSString
stringWithFormat:@"xxx%@xxx",self.dayCount]
 forState:UIControlStateNormal];]]></description><category></category></item></channel></rss>