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Java内存泄露原因详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...果不可到达,则就将其回收,这样也可以消除引用循环的问题。在Java语言中,判断一个内存空间是否符合垃圾收集标准有两个:一个是给对象赋予了空值null,以下再没有调用过,另一个是给对象赋予了新值,这样重新分配了内...
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Type-juggling and (strict) greater/lesser-than comparisons in PHP

PHP is famous for its type-juggling. I must admit it puzzles me, and I'm having a hard time to find out basic logical/fundamental things in comparisons. ...
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Memcached vs APC which one should I choose? [closed]

...lways use an opcode cache, which APC is (also APC will get integrated into php6 iirc, so why not start using it now). You can/should use both for different purposes. share | improve this answer ...
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Determining Referer in PHP

...nd(), TRUE); $_SESSION['token'] = $token; $url = "http://example.com/index.php?token={$token}"; Then the index.php will look like this: if(empty($_GET['token']) || $_GET['token'] !== $_SESSION['token']) { show_404(); } //Continue with the rest of code I do know of secure sites that do the...
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Any equivalent to .= for adding to beginning of string in PHP?

...quired parameter of the function, it needs to be passed to the function or PHP will complain. This means this check can be abbreviated to if ($chunk) (to see if it's falsy a.k.a. "empty"). But, if $chunk doesn't contain anything, nothing will happen anyway. So this whole function body can be abbrevi...
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mfc对话框字体不正常? - C/C++ - 清泛网 - 专注C/C++及内核技术

...么mfc对话框字体显示不正常,新建一个默认工程字体没有问题。原因:由于VS2005以上版本的对话框资源代码拷到了VS 05中,FONT 9, "宋... 为什么mfc对话框字体显示不正常,新建一个默认工程字体没有问题。 原因: 由于VS2005...
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解决 A potentially dangerous Request.Form value was detected from the ...

...<”或者“>”的时候。按照访问策略,这将导致一些安全问题,诸如:跨站脚本攻击(cross-site scripting attack)。而这个问题的更准确描述则是,当你在安装了.NET Framework 4.0以上版本后,当你的应用程序以.NET Framework 4.0为框架版本...
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CSS counter-increment 属性经典详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...就是css的计数器,灵活使用它就能仅用css解决很多编号等问题,而非写逻辑代码搞定。下面通过两个实例详解它的用法:<!DOCTY...CSS Counters其实就是css的计数器,灵活使用它就能仅用css解决很多编号等问题,而非写逻辑代码搞定...
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解决 A potentially dangerous Request.Form value was detected from the ...

...<”或者“>”的时候。按照访问策略,这将导致一些安全问题,诸如:跨站脚本攻击(cross-site scripting attack)。而这个问题的更准确描述则是,当你在安装了.NET Framework 4.0以上版本后,当你的应用程序以.NET Framework 4.0为框架版本...
https://www.tsingfun.com/it/te... 

解决 A potentially dangerous Request.Form value was detected from the ...

...<”或者“>”的时候。按照访问策略,这将导致一些安全问题,诸如:跨站脚本攻击(cross-site scripting attack)。而这个问题的更准确描述则是,当你在安装了.NET Framework 4.0以上版本后,当你的应用程序以.NET Framework 4.0为框架版本...