kcrt

function erf(x){
    // erf(x) = 2/sqrt(pi) * integrate(from=0, to=x, e^-(t^2) ) dt
    // with using Taylor expansion, 
    //        = 2/sqrt(pi) * sigma(n=0 to +inf, ((-1)^n * x^(2n+1))/(n! * (2n+1)))
    // calculationg n=0 to 50 bellow (note that inside sigma equals x when n = 0, and 50 may be enough)
    var m = 1.00;
    var s = 1.00;
    var sum = x * 1.0;
    for(var i = 1; i < 50; i++){
        m *= i;

hendrik-goebel

error_reporting(E_ALL);
ini_set('display_errors', 1);

fornarat

function shuffle(array) {
  var currentIndex = array.length
    , temporaryValue
    , randomIndex;

  // While there remain elements to shuffle...
  while(0 !== currentIndex) {
    // Pick a remaining element...
    randomIndex = Math.floor(Math.random() * currentIndex);

phamquocbuu

Using Git to Manage a Live Web Site

Overview

As a freelancer, I build a lot of web sites. That's a lot of code changes to track. Thankfully, a Git-enabled workflow with proper branching makes short work of project tracking. I can easily see development features in branches as well as a snapshot of the sites' production code. A nice addition to that workflow is that ability to use Git to push updates to any of the various sites I work on while committing changes.

Contents

• Prerequisites
• Getting Started

Zemnmez

/*
  This snippet is esssentially the same as being in the Twitter longer tweets test, for tweetdeck.
  The Tweet length counter is fixed by tricking TweetDeck into counting up to 140 characters, twice, so you'll see 140
  instead of 280 in the counter but going over 140 will give you another set of 140 charactrs.
*/
TD.services.TwitterClient.prototype.makeTwitterCall=function(b,e,f,g,c,d,h){c=c||function(){};d=d||function(){};b=this.request(b,{method:f,params:Object.assign(e,{weighted_character_count:!0}),processor:g,feedType:h});return b.addCallbacks(function(a){c(a.data)},function(a){d(a.req,"",a.msg,a.req.errors)}),b};
twttrTxt=Object.assign({},twttr.txt,{isInvalidTweet:function(){return!1},getTweetLength:function(x){return x=twttr.txt.getTweetLength.apply(this,arguments),x<140||x/140>2?x:x%140}});