stekhn

function getScrollY() {
    var currentY = 0;

    if (typeof( window.pageYOffset ) == 'number') {
        currentY = window.pageYOffset;
    } else if (document.body && ( document.body.scrollLeft || document.body.scrollTop )) {
        currentY = document.body.scrollTop;
    } else if (document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop )) {
        currentY = document.documentElement.scrollTop;
    }

stekhn

function getUrlParam(name) {
    name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");

    var regexS = "[\\?&]" + name + "=([^&#]*)";
    var regex = new RegExp(regexS);
    var results = regex.exec(window.location.href);

    if (results == null) {
        return "";
    } else {

stekhn

function hideErrors() {
  window.onerror = function () {
    return true;
  }
}

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.playButton {
  background-color: #888;
  border-radius: 30px;
  display: inline-block;
  height: 60px;
  left: 50%;
	position: absolute;
  margin-left: -30px;
  top: 120px;
  width: 60px;

stekhn

var page = require('webpage').create(),
    system = require('system'),
    args = system.args,
    siteName;

function takeScreenshot() {

  if (args.length === 1) {

    console.log('Please specify a URL to screenshot.');

stekhn

processManagement:
    fork: true
    pidFilePath: /var/run/mongodb/mongod.pid
net:
    bindIp: 127.0.0.1
    port: 27017
storage:
    dbPath: /var/lib/mongo
    journal:
        enabled: true

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function mapValue(value, fromMin, toMin, fromMax, toMax) {

  return (value - fromMin) / (toMin - fromMin) * (toMax - fromMax) + fromMax;
}

stekhn

=IF(COUNTIFS($B$1:B3;B3)>1;INDEX($A$1:A2;IFERROR(MATCH(B3;$B$1:B2;0);1));MAX($A$1:A2)+1)

stekhn

function stdDev(arr) {

  var avg = mean(arr);

  var squareDiffs = arr.map(function (value) {

    var diff = value - avg;
    var sqrDiff = diff * diff;
    return sqrDiff;
  });

stekhn

function weightedMean(arrValues, arrWeights) {

  var result = arrValues.map(function (value, i) {

    var weight = arrWeights[i];
    var sum = value * weight;

    return [sum, weight];
  }).reduce(function (p, c) {