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Diagnosing Memory Leaks - Allowed memory size of # bytes exhausted

...h to find it, I'm afraid. The simplest instrument is to selectively place calls to memory_get_usage and narrow it down to where the code leaks. You can also use xdebug to create a trace of the code. Run the code with execution traces and show_mem_delta. ...
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Add Text on Image using PIL

... To add text on an image file, just copy/paste the code below <?php $source = "images/cer.jpg"; $image = imagecreatefromjpeg($source); $output = "images/certificate".rand(1,200).".jpg"; $white = imagecolorallocate($image,255,255,255); $black = imagecolorallocate($image,7,94,94); $font_siz...
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Symfony 2 EntityManager injection in service

...to inject doctrine EntityManager, but I don't see that __construct() is called on my service, and injection doesn't work. ...
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“Keep Me Logged In” - the best approach

...e algorithm that you used. For example: md5(salt+username+ip+salt) Now, all an attacker needs to do is brute force the "salt" (which isn't really a salt, but more on that later), and he can now generate all the fake tokens he wants with any username for his IP address! But brute-forcing a salt is...
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一个转型程序员的销售观 - 杂谈 - 清泛网 - 专注C/C++及内核技术

...,我们擅长技术,却完全不懂营销跟销售。当意识到这个问题的严重性后,我开始承担起业务销售这个角色。 程序员转销售?能做得好吗?做了三年多的app程序开发,自已觉得在技术领域还是做得比较出色的,两年的安卓加一...
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CURL alternative in Python

I have a cURL call that I use in PHP: 7 Answers 7 ...
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How to post data to specific URL using WebClient in C#

...s the garbage collector will clean up unmanaged resources and the like by calling the destructor (e.g., WebClient inherits from Component, which contains ~Component() {Dispose(false);}). The problem is that the garbage collector may take an arbitrarily long time to do so, since it does not account ...
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Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...哥开始构思第一个方案,我们开始想用统计的方法来解决问题,当我们拿着第一个方案和Ray讨论时,发现不能优雅应对Ray的所有提问:1、测试环境的准确性,失败到底是因为网络的特性导致还是因为用户当前的环境变化导致的...
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Authoritative position of duplicate HTTP GET query keys

...t you like. Typical approaches include: first-given, last-given, array-of-all, string-join-with-comma-of-all. Suppose the raw request is: GET /blog/posts?tag=ruby&tag=rails HTTP/1.1 Host: example.com Then there are various options for what request.query['tag'] should yield, depending on the...
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Difference between and

...s will not submit a form - they don't do anything by default. They're generally used in conjunction with JavaScript as part of an AJAX application. <input type="submit"> buttons will submit the form they are in when the user clicks on them, unless you specify otherwise with JavaScript. ...