ivan-demchenko

function getPrimeNumbers(n) {

  var arr = [];

  for(var i = 2; i <= n; i++) {
    for(var k = 2; k <= i; k++) {
      if (i === k) arr.push(i);
      if (i % k === 0) break;
    }
  }

ivan-demchenko

function isNumber(value) {
  return typeof value === 'number' && isFinite(value);
}

ivan-demchenko

/**
 * Thanks to Dmitry Baranovsky for his knowledge sharing:
 * http://dmitry.baranovskiy.com/post/typeof-and-friends
 */
function is (value) {
  return {
    aan: function (type) {
      type = String(type).toLowerCase();
      return Object.prototype.toString.call(value).slice(8, -1).toLowerCase() === type;
    }

ivan-demchenko

/* portrait phone (< 480px) */
@media screen and (max-width:29.9999em) {
}
 
/* landscape phone and portrait tablet (>= 480px < 960px) */
@media screen and (min-width:30em) and (max-width:59.9999em) {
}
 
/* landscape tablet and normal monitor (>= 960px < 1440px) */
@media screen and (min-width:60em) and (max-width:89.9999em) {

ivan-demchenko

#
# Ubuntu Tweak
#
sudo add-apt-repository ppa:tualatrix/ppa -y && sudo apt-get update && sudo apt-get install ubuntu-tweak -y

#
# Git
#
sudo apt-get update && sudo apt-get install git giggle -y

ivan-demchenko

// These are colors in our palette
availableColors = red #F00,
                  blue #00F,
                  green #0F0

// Function that can find a color by name
colourByName(name)
  return pair[1] if name == pair[0] for pair in availableColors

// Now we can find our color by name

ivan-demchenko

// Sometimes it's needed to get access to body or head elements within an iFrame.
// Here is a peace of code that helps to do this without jQuery.

var iFrameContent = window.iFrameContent || {};

iFrameContent.withIn = function(iFrameElement) {
  if (!iFrameElement) {
    throw 'Please, specify an iFrame to work with';
  }
  if (iFrameElement.nodeName !== 'IFRAME') {

ivan-demchenko

// http://stackoverflow.com/a/24761145/993216

describe("myDirective", function() ->
  var el, scope, controller;

  beforeEach inject(function($compile, $rootScope) {
    el = angular.element("<my-directive></my-directive>")
    $compile(el)($rootScope.$new())
    $rootScope.$digest()

ivan-demchenko

// Inspired by Haskell's `takeWhile (<10000) $ map (^3) [1..]`
let nextVal = (x) => x.next().value;

function* mList(x = 0) {
  while(1) yield x++;
}

function* map(fn, list) {
  while(1) {
    yield fn(nextVal(list));

ivan-demchenko

// This is the implmenetation of some of the lamdas from lamda calculus
// https://en.wikipedia.org/wiki/Lambda_calculus
console.clear();

const log = function(x) {
  console.log('log: ' + x);
  return x;
}

// Boolean: