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高并发服务端分布式系统设计概要 - C/C++ - 清泛网 - 专注C/C++及内核技术
...拆分），并时刻不要忘记备份、扩展、意外处理等讨厌的问题。说起来都比较简单，但设计和实现起来，就会比较困难。以前我的文章，都是“从整到零”的方式来设计一个系统，这次咱们就反着顺序来。
那我们首先来看，我...
Export to CSV via PHP
...t I have from the database to a CSV file (and text file [if possible]) via PHP?
7 Answers
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WordPress asking for my FTP credentials to install plugins
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Try to add the code in wp-config.php:
define('FS_METHOD', 'direct');
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Adding minutes to date time in PHP
...ck with adding X minutes to a datetime, after doing lots of google'ing and PHP manual reading, I don't seem to be getting anywhere.
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Anonymous recursive PHP functions
Is it possible to have a PHP function that is both recursive and anonymous? This is my attempt to get it to work, but it doesn't pass in the function name.
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cleanest way to skip a foreach if array is empty [duplicate]
...oid nesting my code with an unnecessary if statement. If $items is empty php throws an error.
11 Answers
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Creating a config file in PHP
I want to create a config file for my PHP project, but I'm not sure what the best way to do this is.
10 Answers
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upstream sent too big header while reading response header from upstream
...ove the message, is it streaming with logged lines preceding the message? PHP message: PHP Notice: Undefined index:
Example snippet from a loop my log file:
2015/11/23 10:30:02 [error] 32451#0: *580927 FastCGI sent in stderr: "PHP message: PHP Notice: Undefined index: Firstname in /srv/www/class...
内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...管理的重要性
存在内存错误的 C 和 C++ 程序会导致各种问题。如果它们泄漏内存，则运行速度会逐渐变慢，并最终停止运行；如果覆盖内存，则会变得非常脆弱，很容易受到恶意用户的攻击。从 1988 年著名的莫里斯蠕虫 攻击到...
Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
... check that a variable we were using as a number, was actually numeric. In PHP you should widely use a set of functions to check that inputs are integers, floats, alphanumeric etc. But when it comes to SQL, heed most the value of the prepared statement. The above code would have been secure if it ...