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ab load testing
...if the response times (means, min and max response times, failed requests, etc) are numbers your site can accept (different sites might desire different speeds). You can run the tool with different -c values until you hit the spot where you say "If I increase it, it starts to get failed requests and...
Java 理论与实践: 线程池与工作队列 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...佳资源利用率，贴在我们多线程 Java 编程论坛上最常见的问题之一是“怎样创建线程池？”。几乎在每个服务器应用程序中都会出现线程池和工作队列问题。本文中，Brian Goetz 探讨了线程池的动机、一些基本实现和调优技术以及...
Simplest two-way encryption using PHP
...ermore it used to accept things like partial keys, performing zero padding etc. There is a good reason why it is in the process of being gradually removed from PHP.
– Maarten Bodewes
May 12 '16 at 15:09
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How to use phpexcel to read data and insert into database?
...ize' => '20MB');
//set php excel settings
PHPExcel_Settings::setCacheStorageMethod(
$cacheMethod,$cacheSettings
);
$arrayLabel = array("A","B","C","D","E");
//=== set object reader
$objectReader = PHPExcel_IOFactory::createReader('Excel2007');
$obj...
How do I write unit tests in PHP? [closed]
...ble. In case you need help to set it up, feel free to ask (but provide OS, etc.).
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How do I convert a PDF document to a preview image in PHP? [closed]
What libraries, extensions etc. would be required to render a portion of a PDF document to an image file?
10 Answers
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PHP function to generate v4 UUID
... @PavlePredic mt_srand(crc32(serialize([microtime(true), 'USER_IP', 'ETC']))); (i'm another wiliam :P)
– Wiliam
Mar 24 '13 at 13:41
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Cross-Origin Request Headers(CORS) with PHP headers
...NTROL_REQUEST_METHOD']))
// may also be using PUT, PATCH, HEAD etc
header("Access-Control-Allow-Methods: GET, POST, OPTIONS");
if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']))
header("Access-Control-Allow-Headers: {$_SERVER['HTTP_ACCES...
Jump to function definition in vim
...servers, e.g.:
type python to find coc-jedi,
type php to find coc-phpls, etc.
(optionally) see install_gadget.py --help for available debuggers, e.g.:
./install_gadget.py --enable-python,
./install_gadget.py --force-enable-php, etc.
Full answer:
Language server (LS) is a separate standalone...
MongoDB与内存 - 大数据 & AI - 清泛网 - 专注IT技能提升
...MongoDB是如何使用内存的，答案自然就清楚了。
据说带着问题学习更有效，那就先看一个MongoDB服务器的top命令结果：
shell> top -p $(pidof mongod)
Mem: 32872124k total, 30065320k used, 2806804k free, 245020k buffers
Swap: 2097144k total, 100k used...