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Coalesce function for PHP?
...HP 7 introduced a real coalesce operator:
echo $_GET['doesNotExist'] ?? 'fallback'; // prints 'fallback'
If the value before the ?? does not exists or is null the value after the ?? is taken.
The improvement over the mentioned ?: operator is, that the ?? also handles undefined variables without...
Getting the first character of a string with $str[0]
...am just not sure whether this is 'good practice', as that notation is generally used with arrays. This feature doesn't seem to be very well documented so I'm turning to you guys to tell me if it's all right – in all respects – to use this notation?
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REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...退出后执行如下命令使以上设置在当前窗口如果有配置有问题也可以提示。立即生效：
source /home/oracle/.bash_profile
8、调整OS内核参数
设置原则:
kernel.shmmax 为 4GB-1byte或一半的物理内存, 哪个值更低用哪个;
fs.file-max 为512 * PROCESS...
Receive JSON POST with PHP
...ontents('php://input'), true);
This will save you the hassle of changing all $_POST to something else and allow you to still make normal post requests if you wish to take this line out.
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What is the best method to merge two PHP objects?
...bj_merged = (object) array_merge((array) $obj1, (array) $obj2);
This actually also works when objects have methods. (tested with PHP 5.3 and 5.6)
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Simplest two-way encryption using PHP
What is the simplest way of doing two way encryption in common PHP installs?
6 Answers
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How do I pass parameters into a PHP script through a webpage?
I am calling a PHP script whenever a webpage loads. However, there is a parameter that the PHP script needs to run (which I normally pass through the command line when I am testing the script).
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关于Rsyslogd 的一些配置 (高性能、高可用 rsyslogd) - C/C++ - 清泛网 - ...
...在系统、环境正常的时候能够运行。一旦出现异常，各种问题就全出来了。
推荐的文档和我认为比较关键的配置请见下图：
几点说明：
推荐仔细阅读 第一篇 关于 rsyslog queue的文档，细节几乎都在这篇文档里。
定义 $Ma...
解决MFC使用ShowWindow(SW_MAXIMIZE)任务栏被遮住的问题 - C/C++ - 清泛网 ...
解决MFC使用ShowWindow(SW_MAXIMIZE)任务栏被遮住的问题重载OnGetMinMaxInfo消息处理函数解决，代码如下：BEGIN_MESSAGE_MAP(CxxxDlg, CDialogEx)...ON_WM_GETMINMAXINFO()END_MESSAGE_MAP()...a...重载OnGetMinMaxInfo消息处理函数解决，代码如下：
BEGIN_MESSAGE_MAP(Cx...
Test PHP headers with PHPUnit
...78
Error: Class 'PHPUnit_Util_Configuration' not found in - on line 378
Call Stack:
0.0013 582512 1. {main}() -:0
Try add this to your bootstrap file to fix it:
<?php
if (!defined('PHPUNIT_COMPOSER_INSTALL')) {
define('PHPUNIT_COMPOSER_INSTALL', __DIR__ . '/path/to/composer/ven...