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// this version is much more performant than previous one (see gist revisions)
var FarsiDigits = {
	toEn: function(input) { return (input+'').replace(FarsiDigits._regexFa, FarsiDigits.charToEn); },
	toFa: function(input) { return (input+'').replace(FarsiDigits._regexEn, FarsiDigits.charToFa); },
	charToFa: function(char){ return String.fromCharCode(char.charCodeAt(0)+0x6c0); },
	charToEn: function(char){ return String.fromCharCode(char.charCodeAt(0)-0x6c0); },
	_regexFa: /[\u06f0-\u06f9]/g,
	_regexEn: /[0-9]/g
};

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//demo: http://jsfiddle.net/heZ4z/

if (document.addEventListener) { // standard

  document.addEventListener('click', function onclick(e) {
    var r;
    if (document.caretRangeFromPoint) { // standard (WebKit)
      r = document.caretRangeFromPoint(e.pageX, e.pageY);
    } else if (e.rangeParent) { // Mozilla
      r = document.createRange();

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function setAutoDirection(jqueryNodeList, defaultDirection) {
    jqueryNodeList.keyup(function (e) {
        var val = e.target.value || e.target.placeholder;
        e.target.dir = val ? ((val.charCodeAt(0) >= 0x0600 && val.charCodeAt(0) <= 0x06FF) ? "rtl" : "ltr") : defaultDirection || "rtl";
    });
}

// ---------------- USAGE ---------------- //
setAutoDirection($("input[type=text]"));        // default: "rtl"
setAutoDirection($("input[type=text]"), "ltr"); // default: "ltr"

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rm Gadget.gadget
"C:\Program Files\WinRAR\WinRAR" a Gadget.zip gadget.html gadget.xml settings.html
ren Gadget.zip Gadget.gadget
call Gadget.gadget

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function phpSerialize(obj){ // e.g. a:1{i:2;s:5:"22222";}
    var props = [];
    for(var prop in obj)
        props.push(_phpSerializeVar(prop)+_phpSerializeVar(obj[prop]));
    return 'a:'+props.length+':{'+props.join('')+'}';
}
function _phpSerializeVar(prop){ // e.g. i:2; e.g. s:5:"22222";
    return (isNaN(prop) && prop.length) ?
        's:' + prop.length + ':"' + prop + '";' :
        'i:' + prop + ';' ;

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// just translated from the php version (I have to optimise it)

function generatePassword (length) {
    if(!length) length = 8;
    var sets = ['abcdefghjkmnpqrstuvwxyz', 'ABCDEFGHJKMNPQRSTUVWXYZ', '23456789', '~!@#$^*()_.-=+'];
    var all = '';
    var password = '';
    sets.forEach(function(set){
        set = shuffle(set);
        password += set[0];

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Programs / Tools

Download the latest version of the following (click each for more details).

1. Browser: Chrome & Firefox
2. OS Package Manager: Chocolatey for Windows / HomeBrew for OSX
3. NodeJS
4. Bash/Git Setup:
   • CMDer
   • Github Desktop

• KDiff3

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Convert Video

Just Convert Format:

ffmpeg -i input.avi -c:v libx265 output.mp4
ffmpeg -i input.avi -c:v libx264 output.mp4
ffmpeg -i input.mp4 -c:v flv output.flv

Convert to H265 with smaller size and medium quality:

ffmpeg -i input.mp4 -c:v libx265 -crf 28 -vf "scale=iw/2:ih/2" -c:a copy output.mp4
ffmpeg -i input.mp4 -c:v libx265 -crf 28 -vf "scale=720:-1" -c:a copy output.mp4
ffmpeg -i input.mp4 -c:v libx265 -crf 28 -vf "scale=720:trunc(ow/a/2)*2" -c:a copy output.mp4

ffmpeg -i input.mp4 -c:v libx265 -crf 28 -vf "scale=trunc(oh*a/2)*2:720" -c:a copy output.mp4

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Windows

• Rename All (e.g. *.jpg → _*.jpg)
  for /f "delims=" %i in ('dir /b /a-d *.jpg') do ren "%~i" "_%~ni%~xi"
  
  • %~ni is for the name part (*)
  • ~xi is for the extension part (.jpg)

• Replace All

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cd %programfiles%\MongoDB\Server\3.6\bin
mongod --dbpath="%programdata%\Mongo\Data" --logpath="%programdata%\Mongo\log.txt" --install && net start MongoDB