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How to explain callbacks in plain english? How are they different from calling one function from ano

...ich would be processed in the process of another function. For example in PHP array_filter() and array_map() take callbacks to be called in a loop. – Haralan Dobrev Mar 13 '12 at 23:33 ...
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Fastest exit strategy for a Panic Button in Crisis/Abuse Websites? [closed]

...his history with a fake url. If the abusive user clicks back, your server (Php, python, whatever) will receive a request with your fake url. So you need to have another endpoint in your server (Let me know if you don't understand endpoints). Make a benign article, recipe, or weather report with a si...
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Is there a list of screen resolutions for all Android based phones and tablets? [closed]

...arsed list of screens: From http://www.emirweb.com/ScreenDeviceStatistics.php #################################################################################################### # Filter out same-sized same-dp screens and width/height swap. #####################################################...
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TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...操作系统的内存分配算法,时间复杂度 O(1),在内存碎片问题上表现良好,可以将它看做是一个动态管理内存的内存池,提供分配及回收内存的方法,并能够进行内存碎片化整理。它的特点在于: 可以预期的分配执行时间,无...
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What do 'real', 'user' and 'sys' mean in the output of time(1)?

...omment so): More detail? Use perf [1], [2]. [1] perf.wiki.kernel.org/index.php/Main_Page [2] brendangregg.com/perf.html – kaiwan May 9 '15 at 7:46  |  ...
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Should I use Vagrant or Docker for creating an isolated environment? [closed]

... application in a wide variety of envionment configs (different databases, php versions, caching backends etc), then I can easily do that with docker containers. But I cant see if my application will run properly in a windows IIS env, or on BSD or OSX. – Mixologic ...
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An example of how to use getopts in bash

...ic version of EspoCRM -r, -rebuild, --rebuild Rebuild php vendor directory using composer and compiled css using grunt -V, -verbose, --verbose Run script in verbose mode. Will print out each step of execution. EOF # EOF is found above and hence cat command ...
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Peak signal detection in realtime timeseries data

...15) JavaScript (Dirk Lüsebrink) TypeScript (Jerry Gamble) Perl (Alen) PHP (radhoo) Rules of thumb for configuring the algorithm lag: the lag parameter determines how much your data will be smoothed and how adaptive the algorithm is to changes in the long-term average of the data. The more st...
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C++ performance vs. Java/C#

...just runs fast,' which underscores the enormous effort spent at optimizing PHP and Java code. Paradoxically, C++ code is more difficult to write than in other languages, but efficient code is a lot easier [to write in C++ than in other languages]." – Herb Sutter at //build/, quoting Andrei Al...
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Regex Pattern to Match, Excluding when… / Except between

...er-Known Variation There is a variation using syntax specific to Perl and PHP that accomplishes the same. You'll see it on SO in the hands of regex masters such as CasimiretHippolyte and HamZa. I'll tell you more about this below, but my focus here is on the general solution that works with all reg...