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Catching multiple exception types in one catch block

... Update: As of PHP 7.1, this is available. The syntax is: try { // Some code... } catch(AError | BError $e) { // Handle exceptions } catch(Exception $e) { // Handle the general case } Docs: https://www.php.net/manual/en/lang...
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What is the canonical way to determine commandline vs. http execution of a PHP script?

I have a PHP script that needs to determine if it's been executed via the command-line or via HTTP, primarily for output-formatting purposes. What's the canonical way of doing this? I had thought it was to inspect SERVER['argc'] , but it turns out this is populated, even when using the 'Apache 2.0 ...
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PHP Function Comments

Just a quick question: I've seen that some PHP functions are commented at the top, using a format that is unknown to me: 4 ...
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PHP check whether property exists in object or class

I understand PHP does not have a pure object variable, but I want to check whether a property is in the given object or class. ...
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How to get a variable name as a string in PHP?

Say i have this PHP code: 24 Answers 24 ...
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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...
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手握利器,直面“蓝脸”! ——使用WinDbg抗击系统崩溃 - 操作系统(内核) - ...

...indows有时候也会跟我们闹闹情绪,小则是“应用程序遇到问题需要关闭”,搞不好还可能给您脸色看看。但是,这脸色可不是红的白的,而是一张“蓝脸”,您见过吗?首先,我们介绍以下三个重要的问题: 一、到底什么是...
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Linux 进程卡住了怎么办? - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...rocess在我们使用 Linux 系统时,如果网络或者磁盘等 I O 出问题,会发现进程卡住了,即使用 kill -9 也无法杀掉进程,很多常用的调试工具,比如 strace, pstack 等也都失灵了 在我们使用 Linux 系统时,如果网络或者磁盘等 I/O 出...
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Passing base64 encoded strings in URL

...ommend just writing your own helpers. Like these from the comments on the php manual page for base64_encode: function base64_url_encode($input) { return strtr(base64_encode($input), '+/=', '._-'); } function base64_url_decode($input) { return base64_decode(strtr($input, '._-', '+/=')); } ...
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Deep Learning(深度学习)学习笔记整理系列之(二) - 大数据 & AI - 清泛...

...试图同时用生理学和计算机的手段,双管齐下,研究视觉问题。 他们收集了很多黑白风景照片,从这些照片中,提取出400个小碎片,每个照片碎片的尺寸均为 16x16 像素,不妨把这400个碎片标记为 S[i], i = 0,.. 399。接下来,...