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What is HEAD in Git?

... to the tip of the new branch. You can see what HEAD points to by doing: cat .git/HEAD In my case, the output is: $ cat .git/HEAD ref: refs/heads/master It is possible for HEAD to refer to a specific revision that is not associated with a branch name. This situation is called a detached HEAD....
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FFmpeg: How to split video efficiently?

... you can use the following cmdl: MP4Box -splits 716800 input.mp4 eg for concatenating two files you can use: MP4Box -cat file1.mp4 -cat file2.mp4 output.mp4 Or if you need split by time, use -splitx StartTime:EndTime: MP4Box -add input.mp4 -splitx 0:15 -new split.mp4 ...
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How to check for null in Twig?

... In addition, unlike the PHP isset() function, is defined will return true if a variable is defined and it's value is null. – Pavel Petrov Sep 19 '17 at 7:59 ...
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Minimal web server using netcat

I'm trying to set up a minimal web server using netcat (nc). When the browser calls up localhost:1500, for instance, it should show the result of a function ( date in the example below, but eventually it'll be a python or c program that yields some data). My little netcat web server needs to be a w...
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How to terminate the script in JavaScript?

How can I exit the JavaScript script much like PHP's exit or die ? I know it's not the best programming practice but I need to. ...
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Detect encoding and make everything UTF-8

...ixing UTF-8 and Latin1 in the same string. Usage: require_once('Encoding.php'); use \ForceUTF8\Encoding; // It's namespaced now. $utf8_string = Encoding::toUTF8($utf8_or_latin1_or_mixed_string); $latin1_string = Encoding::toLatin1($utf8_or_latin1_or_mixed_string); Download: https://github.co...
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What is the most accurate way to retrieve a user's correct IP address in PHP?

... fully-validated, and fully-packaged, version of @AlixAxel's answer: <?php /* Get the 'best known' client IP. */ if (!function_exists('getClientIP')) { function getClientIP() { if (isset($_SERVER["HTTP_CF_CONNECTING_IP"])) { ...
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Composer killed while updating

... I tried to install a new package to my Laravel 4 project. But when I run php composer.phar update I get this: 14 Answers...
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Better way to check variable for null or empty string?

Since PHP is a dynamic language what's the best way of checking to see if a provided field is empty? 10 Answers ...
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in_array() and multidimensional array

...array'; } This idea is in the comments section for array_search() on the PHP manual; share | improve this answer | follow | ...