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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...
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...
线程访问窗口资源的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
线程访问窗口资源的问题在开个线程时常为所开的线程传入个窗口参数（cwnd），这里里面有个很大的隐患就是当做CWnd::AssertValid()检查，就会遇到断言失败。具...时常为所开的线程传入个窗口参数 （cwnd），这里里面有个很大的...
How to become an OpenCart guru? [closed]
...0);
Understanding variable assignment in views from the controller
In order to pass values to the view from the controller, you simply need to assign your data to the $this->data variable, which is essentially an array of key => value pairs. As an example
$this->data['example_var'] = ...
Delete directory with files in it?
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In order to remove all files from a folder, not only the ones with extensions, use glob in the following way: array_map('unlink', glob("$dirname/*")); This still doesn't allow you to delete directories nested in the folder.
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LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...GO使用指南LINGO使用指南LINGO是用来求解线性和非线性优化问题的简易工具。LINGO内置了一种建立最优化模型的语言，可以简便地表达大规模问题，利用LIN...
LINGO是用来求解线性和非线性优化问题的简易工具。LINGO内置了一种建立...
How to get the last char of a string in PHP?
...b, or other whitespace, manually replace the various line endings first:
$order = array("\r\n", "\n", "\r");
$string = str_replace($order, '', $string);
$lastchar = substr($string, -1);
share
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im...
Convert SVG image to PNG with PHP
...= base64_decode($data[1]);
$dimg=imagecreatefromstring($base64img);
//in order to avoid copying a black figure into a (default) black background you must create a white background
$im_out = ImageCreateTrueColor($width,$height);
$bgfill = imagecolorallocate( $im_out, 255, 255, 255 );
imagefill( $i...
AJAX Mailchimp signup form integration
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You should use the server-side code in order to secure your MailChimp account.
The following is an updated version of this answer which uses PHP:
The PHP files are "secured" on the server where the user never sees them yet the jQuery can still access & use.
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How to catch curl errors in PHP
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