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线程访问窗口资源的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

线程访问窗口资源的问题在开个线程时常为所开的线程传入个窗口参数(cwnd),这里里面有个很大的隐患就是当做CWnd::AssertValid()检查,就会遇到断言失败。具...时常为所开的线程传入个窗口参数 (cwnd),这里里面有个很大的...
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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术

...底层传输之上提供完全相同的行为。  这种方法存在两个问题:  一,在特定的传输之上建立类TCP的封装实际上使得传输成为多余的了。如果这种方法的行为类似于TCP,那么为什么一开始就不用TCP呢?(性能特性排除在这个规...
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boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术

...越多的同行们能快速高质量地解决实际项目中遇到的各种问题,在此将我将自己实战中实用boost的经验分享给大家,本人才疏学浅,如果有什么问题希望读者们能帮助指出,大家共同探讨^_^ 本章介绍的主题是multi_index_container 注...
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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP

... can be used to detect if a variable has been already initialized. Additionally and more ideal is the solution of empty() since it does not generate a warning or error message if the variable is not initialized. From PHP documentation: No warning is generated if the variable does not exist. T...
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Unicode与UTF-8互转(C语言实现) - C/C++ - 清泛网 - 专注C/C++及内核技术

...体系, 可以表示最多256个符号. 但是, 这里又出现了新的问题. 不同的国家有不同的字母, 因此, 哪怕它们都使用256个 符号的编码方式, 代表的字母却不一样. 比如, 130在法语编码中代表了é, 在希伯来语 编码中却代表了字母G...
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How do I read any request header in PHP

... IF: you only need a single header, instead of all headers, the quickest method is: <?php // Replace XXXXXX_XXXX with the name of the header you need in UPPERCASE (and with '-' replaced by '_') $headerStringValue = $_SERVER['HTTP_XXXXXX_XXXX']; ELSE IF: you run PHP...
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Why is require_once so bad to use?

...system keeps a log of what's already been included/required. Every *_once call means checking that log. So there's definitely some extra work being done there but enough to detriment the speed of the whole app? ... I really doubt it... Not unless you're on really old hardware or doing it a lot. I...
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How to include PHP files that require an absolute path?

... just a question, why realpath() for $_SERVER["DOCUMENT_ROOT"]? This shall not output always the canonical path? – João Pimentel Ferreira Nov 15 '15 at 0:30 add a comment...
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List all the files that ever existed in a Git repository

Do you have a clean way to list all the files that ever existed in specified branch? 4 Answers ...
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URL rewriting with PHP

... You can essentially do this 2 ways: The .htaccess route with mod_rewrite Add a file called .htaccess in your root folder, and add something like this: RewriteEngine on RewriteRule ^/?Some-text-goes-here/([0-9]+)$ /picture.php?id=$1 Thi...