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	<title>类型 - 四号程序员</title>
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		<title>[转]Objective-C中的id类型</title>
		<link>https://www.coder4.com/archives/4887</link>
					<comments>https://www.coder4.com/archives/4887#respond</comments>
		
		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Fri, 17 Jun 2016 03:19:15 +0000</pubDate>
				<category><![CDATA[iOS]]></category>
		<category><![CDATA[id]]></category>
		<category><![CDATA[ios]]></category>
		<category><![CDATA[类型]]></category>
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					<description><![CDATA[转载自：http://blog.csdn.net/lonelyroamer/article/details/7711895 在Objective-C 中，id 类型是一个独特的数据类型。在概念上，类似Java 的Object 类，可以转换为任何数据类型。换句话说，id 类型的变量可以存放任何数据类型的对象。在内部处理上，这种类型被定义为指向对象的指针，实际上是一个指向这种对象的实例变量的指针。例如，下面定义了一个id类型的变量和返回一个id类型的方法： id anObject; -[......] 继续阅读]]></description>
		
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		<title>PHP如何从服务器端判断客户端的代理类型。</title>
		<link>https://www.coder4.com/archives/4437</link>
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		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Tue, 17 Feb 2015 08:23:42 +0000</pubDate>
				<category><![CDATA[PHP]]></category>
		<category><![CDATA[代理]]></category>
		<category><![CDATA[类型]]></category>
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					<description><![CDATA[我们假设客户端确实用了代理服务器，则PHP版的写法是： &#60;?php $ra = $_SERVER["REMOTE_ADDR"]; $hv = $_SERVER["HTTP_VIA"]; $fwd = $_SERVER["HTTP_X_FORWARDED_FOR"]; /* fwd = ""; if($_SERVER['HTTP_X_FORWARDED_FOR']) $fwd = $_SERVER['HTTP_X_FORWARDED_FOR']; els[......] 继续阅读]]></description>
		
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