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Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...哥开始构思第一个方案,我们开始想用统计的方法来解决问题,当我们拿着第一个方案和Ray讨论时,发现不能优雅应对Ray的所有提问:1、测试环境的准确性,失败到底是因为网络的特性导致还是因为用户当前的环境变化导致的...
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How to force a web browser NOT to cache images

... I use PHP's file modified time function, for example: echo <img src='Images/image.png?" . filemtime('Images/image.png') . "' />"; If you change the image then the new image is used rather than the cached one, due to havi...
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How can I measure the speed of code written in PHP? [closed]

...ow three of those : Webgrind ; web interface ; should work on any Apache+PHP server WinCacheGrind ; only on windows KCacheGrind ; probably only Linux and linux-like ; That's the one I prefer, btw To get profiling files, you have to install and configure Xdebug ; take a look at the Profiling PHP...
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How to fix “Headers already sent” error in PHP

... / setrawcookie Output can be: Unintentional: Whitespace before <?php or after ?> The UTF-8 Byte Order Mark specifically Previous error messages or notices Intentional: print, echo and other functions producing output Raw <html> sections prior <?php code. Why does it...
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Are global variables in PHP considered bad practice? If so, why?

In my small PHP projects I usually go the procedural way. I generally have a variable that contains the system configuration, and when I nead to access this variable in a function, I do global $var; . ...
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How can we match a^n b^n with Java regex?

...their own in the future. The language used to develop the solution will be PHP for its conciseness. The final test once the pattern is finalized will be done in Java. Step 1: Lookahead for assertion Let's start with a simpler problem: we want to match a+ at the beginning of a string, but only if it...
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How do I get a file name from a full path with PHP?

... You're looking for basename. The example from the PHP manual: <?php $path = "/home/httpd/html/index.php"; $file = basename($path); // $file is set to "index.php" $file = basename($path, ".php"); // $file is set to "index" ?> ...
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How to check what user php is running as?

I need to detect if php is running as nobody. How do I do this? 16 Answers 16 ...
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insert multiple rows via a php array into mysql

I'm passing a large dataset into a MySQL table via PHP using insert commands and I'm wondering if its possible to insert approximately 1000 rows at a time via a query other than appending each value on the end of a mile long string and then executing it. I am using the CodeIgniter framework so its f...
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Flat file databases [closed]

...at are the best practices around creating flat file database structures in PHP? 11 Answers ...