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Anonymous recursive PHP functions
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In order for it to work, you need to pass $factorial as a reference
$factorial = function( $n ) use ( &$factorial ) {
if( $n == 1 ) return 1;
return $factorial( $n - 1 ) * $n;
};
print $factorial( 5 );
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How do I Sort a Multidimensional Array in PHP [duplicate]
... // How will we compare this round?
list($column, $sortOrder, $projection) = $criterion;
$sortOrder = $sortOrder === SORT_DESC ? -1 : 1;
// If a projection was defined project the values now
if ($projection) {
$lhs = call_user_...
【解决】C、C++混合编译link失败问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
【解决】C、C++混合编译link失败问题c_cpp_mixed_compileC、C++混合编译时，C头文件不加 extern "C"，函数按照C++编译会改变函数名称，导致link时报undefined reference to `xxx` 的 错误。加 extern "C" 解决，但是直接加的话 C、C++混合编译时，C...
$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions
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VS Debug调试模式下内存泄露检测原理 - C/C++ - 清泛网 - 专注C/C++及内核技术
...前已经释放过了，或者根本就没分配过，可能存在潜在的问题）。程序退出的时候，如果链表还有数据，说明存在内存泄露，输出链表中的数据。
MS CRT已支持内存泄露的检测，使用MFC向导生成的工程，在DEBUG模式下，默认会...
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...
Google Tag Manager 入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...有多台服务器，频繁的修改，会涉及到版本发布和部署的问题，非常的不方便。
Step 2：
总是骚扰IT部门的同事不太好，我们决定把这儿的统计脚本独立出来，并放到文件域，如：www.mysite_file.com/track/site_a.js，然后把这个js的引...
How to set a cookie for another domain
...ow can you say this however youtube is reading cookies created by gmail in order to show their account on youtube?
– TAHA SULTAN TEMURI
Jul 8 '18 at 8:46
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How can I store my users' passwords safely?
...ion: password_hash() and password_verify(). It provides several options in order to achieve the level of password security you need (for example by specifying a "cost" parameter through the $options array)
<?php
var_dump(password_hash("my-secret-password", PASSWORD_DEFAULT));
$options = array(
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How to get the request parameters in Symfony 2?
... Answer is correct $request->get('foo'); works for ALL bags (order is : PATH, GET, POST). Nevertheless, $request->request->get('foo'); works only for POST bag. Finally, the first one ($request->get()) is not recommended if we know where the data is (GET/POST).
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