<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[You and me. Together Forever .  ]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/tears008</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; tears008]]></copyright><item><title><![CDATA[C#中的单问号,双问号 ]]></title><link>https://blog.youkuaiyun.com/tears008/article/details/5143444</link><guid>https://blog.youkuaiyun.com/tears008/article/details/5143444</guid><author>tears008</author><pubDate>Wed, 06 Jan 2010 15:46:00 +0800</pubDate><description><![CDATA[单问号: 用于给变量设初值的时候,给变量(int类型)赋值为null,而不是0! 双问号: 用于判断并赋值,先判断当前变量是否为null,如果是就可以赋一个新值,否则跳过! public int? para;//public int para;如果不注释掉此行,而把上一行注释掉的话,下面会报错!public int par(){    return this.p]]></description><category></category></item><item><title><![CDATA[fdsf]]></title><link>https://blog.youkuaiyun.com/tears008/article/details/4429142</link><guid>https://blog.youkuaiyun.com/tears008/article/details/4429142</guid><author>tears008</author><pubDate>Sun, 09 Aug 2009 23:53:00 +0800</pubDate><description><![CDATA[s]]></description><category></category></item><item><title><![CDATA[7.25]]></title><link>https://blog.youkuaiyun.com/tears008/article/details/4378531</link><guid>https://blog.youkuaiyun.com/tears008/article/details/4378531</guid><author>tears008</author><pubDate>Sat, 25 Jul 2009 01:46:00 +0800</pubDate><description><![CDATA[25]]></description><category></category></item><item><title><![CDATA[25]]></title><link>https://blog.youkuaiyun.com/tears008/article/details/4378529</link><guid>https://blog.youkuaiyun.com/tears008/article/details/4378529</guid><author>tears008</author><pubDate>Sat, 25 Jul 2009 01:45:00 +0800</pubDate><description><![CDATA[25]]></description><category></category></item><item><title><![CDATA[fffff]]></title><link>https://blog.youkuaiyun.com/tears008/article/details/4358124</link><guid>https://blog.youkuaiyun.com/tears008/article/details/4358124</guid><author>tears008</author><pubDate>Fri, 17 Jul 2009 18:36:00 +0800</pubDate><description><![CDATA[fffff]]></description><category></category></item><item><title><![CDATA[eeee]]></title><link>https://blog.youkuaiyun.com/tears008/article/details/4354687</link><guid>https://blog.youkuaiyun.com/tears008/article/details/4354687</guid><author>tears008</author><pubDate>Thu, 16 Jul 2009 20:19:00 +0800</pubDate><description><![CDATA[eeee]]></description><category></category></item><item><title><![CDATA[ddd]]></title><link>https://blog.youkuaiyun.com/tears008/article/details/4350616</link><guid>https://blog.youkuaiyun.com/tears008/article/details/4350616</guid><author>tears008</author><pubDate>Wed, 15 Jul 2009 14:35:00 +0800</pubDate><description><![CDATA[ddd]]></description><category></category></item><item><title><![CDATA[ccc]]></title><link>https://blog.youkuaiyun.com/tears008/article/details/4346923</link><guid>https://blog.youkuaiyun.com/tears008/article/details/4346923</guid><author>tears008</author><pubDate>Tue, 14 Jul 2009 11:24:00 +0800</pubDate><description><![CDATA[ccc]]></description><category></category></item><item><title><![CDATA[bbb]]></title><link>https://blog.youkuaiyun.com/tears008/article/details/4345576</link><guid>https://blog.youkuaiyun.com/tears008/article/details/4345576</guid><author>tears008</author><pubDate>Mon, 13 Jul 2009 21:13:00 +0800</pubDate><description><![CDATA[bbbb]]></description><category></category></item><item><title><![CDATA[aaa]]></title><link>https://blog.youkuaiyun.com/tears008/article/details/4341726</link><guid>https://blog.youkuaiyun.com/tears008/article/details/4341726</guid><author>tears008</author><pubDate>Sun, 12 Jul 2009 11:42:00 +0800</pubDate><description><![CDATA[aaa]]></description><category></category></item><item><title><![CDATA[aaa]]></title><link>https://blog.youkuaiyun.com/tears008/article/details/4340636</link><guid>https://blog.youkuaiyun.com/tears008/article/details/4340636</guid><author>tears008</author><pubDate>Sat, 11 Jul 2009 20:36:00 +0800</pubDate><description><![CDATA[占位子得。  ]]></description><category></category></item><item><title><![CDATA[Delegate]]></title><link>https://blog.youkuaiyun.com/tears008/article/details/4337284</link><guid>https://blog.youkuaiyun.com/tears008/article/details/4337284</guid><author>tears008</author><pubDate>Fri, 10 Jul 2009 11:38:00 +0800</pubDate><description><![CDATA[1. 委托的定义: 委托是函数的封装,它代表一"类"函数. 他们都符合一定的签名:拥有相同的参数列表,返回值类型.同时,委托也可以看成是对函数的抽象,是函数的"类".此时,委托的实例将代表一个具体的函数. 委托声明和定义了一个引用类型,它用来封装方法,用指定的签名来封装方法.一个委托的实例,可以封装静态或者实例方法. 委托是一种引用的类型,一旦为委托分配了方]]></description><category></category></item></channel></rss>