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	<title>单件类 - 四号程序员</title>
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		<title>iOS中为什么使用dispatch_once来实现单件类</title>
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		<pubDate>Thu, 16 Jun 2016 09:04:02 +0000</pubDate>
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					<description><![CDATA[&#160; + (XXXXStore *)sharedInstance { static id sharedInstance = nil; static dispatch_once_t onceToken; dispatch_once(&#38;onceToken, ^{ sharedInstance = [[self alloc] init]; }); return sharedInstance; } 按理说stat[......] 继续阅读]]></description>
		
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		<title>关于Java中的synchronized和static synchronized和单件类</title>
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		<pubDate>Wed, 18 Apr 2012 00:35:38 +0000</pubDate>
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					<description><![CDATA[读到师兄的一篇博客，关于Java中的单件类模式，这么写的： class Singleton { private static Singleton instance; // thread-safe singleton. public static synchronized Singleton getInstance() { if (instance == null) instance == new Singleton(); return instance;[......] 继续阅读]]></description>
		
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		<title>C++大作业--单件类（Singleton）的实现</title>
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		<pubDate>Thu, 18 Feb 2010 22:45:37 +0000</pubDate>
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					<description><![CDATA[单件类的实现 /******************************************** * CopyRight 2007 北京交通大学 * 程序名称： 单件类 * 文件名： main.cpp * 修改日期： 2007-4-7 19:56:09 * 描述： 设计模式中的单件类的简单实现 * ********************************************/ #include &#60;iostream&#62; #inc[......] 继续阅读]]></description>
		
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