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https://www.tsingfun.com/it/tech/1762.html 

linux内存cached释放 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...write,getdents)的时间。" 如何解决这个导致机器变慢的问题呢? 罪魁祸首就是内存都被cached了,free的基本没有了 所以我们应该想想如何把cached内存释放出来 重启机器肯定是可以解决,但是我们肯定是不能用这样的办法 ...
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为什么mfc对话框字体不正常 - VC/MFC - 清泛IT论坛,有思想、有深度

...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, "宋体, MS Sans Serif", 0,  0, 0x0   而VS2005不支持&quo...
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How to improve Netbeans performance?

...pace and 50-80% CPU. Then I decided do some clean up. I had 30 plugins installed, and I was not using most of them. So, I disabled the plugins I was not using, a whopping 19 plug ins I disabled. now memory uses down to 400+ MiB and CPU uses down to 10 and at max to 50%. Now my life is much easier...
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How to get jQuery dropdown value onchange event

... Add try this code .. Its working grt....... <body> <?php if (isset($_POST['nav'])) { header("Location: $_POST[nav]"); } ?> <form id="page-changer" action="" method="post"> <select name="nav"> <option value="">Go to page...</option...
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Regex - how to match everything except a particular pattern

... He failed mention it in the question, but the OP is actually using the DOS findstr command. It affords only a tiny subset of the capabilities you expect to find in a regex tool; lookahead is not among them. (I just added the findstr tag myself.) – Alan Moor...
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Is it possible to specify the schema when connecting to postgres with JDBC?

...ch) to use it: http://archives.postgresql.org/pgsql-jdbc/2008-07/msg00012.php http://jdbc.postgresql.org/ share | improve this answer | follow | ...
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Why the switch statement cannot be applied on strings?

... The reason why has to do with the type system. C/C++ doesn't really support strings as a type. It does support the idea of a constant char array but it doesn't really fully understand the notion of a string. In order to generate the code for a switch statement the compiler must under...
https://www.tsingfun.com/it/cpp/1538.html 

OnInitDialog()中SetFocus()设置焦点不起作用解决方法 - C/C++ - 清泛网 - ...

...到控件,否则返回 TRUE } 当然,改为return FALSE;能解决问题,但是感觉不太优雅,使用SendMessage解决,如下: ::SetFocus(m_wndEdit); -> ::SendMessage(m_wndEdit, WM_SETFOCUS, 0, 0); 这时,你会发现,输入框确实获得了焦点,但是此时键盘无...
https://www.tsingfun.com/it/cpp/1633.html 

Unicode and UTF-8 - C/C++ - 清泛网 - 专注C/C++及内核技术

...英文存储空间会Double! 为了解决这些现实生活中遇到的问题,UTF-8编码应运而生! 言归正传,对于UTF-8: UTF-8是针对Unicode(UCS-2或UCS-4)的可变长度编码方式,是一种前缀码,它可用来编码Unicode中的任何一个字符。UTF-8编码和ASCII...
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linux 通过bind下搭建DNS Server - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ost不够用和避免加端口各种麻烦,以及子目录超级麻烦等问题。那么很多时候需要在开发环境上门绑定多个域名。假如是一个团队开发。那么每个人都去修改hosts是一件很悲剧的事情,那么你需要的就是一台内部的dns服务器。其...