SergeyNarozhny

function Twins(a, b) {
    var result = Array(a.length),
    swap = function(arr, index) {
      var tmp = arr[index];
      arr[index] = arr[index + 2];
      arr[index + 2] = tmp;
      return arr;
		},
    swapBack = function(str, index) {
    	var arr = str.split('');

bithavoc

CREATE OR REPLACE FUNCTION notify_trigger() RETURNS trigger AS $$
	DECLARE
		channel_name varchar DEFAULT (TG_TABLE_NAME || '_changes');
	BEGIN
		IF TG_OP = 'INSERT' THEN
			PERFORM pg_notify(channel_name, '{"id": "' || NEW.id || '"}');
			RETURN NEW;
		END IF;
		IF TG_OP = 'DELETE' THEN
			PERFORM pg_notify(channel_name, '{"id": "' || OLD.id || '"}');

mjackson

// Here is a function that I use all the time when creating public
// async APIs in JavaScript:
const resolvePromise = (promise, callback) => {
  if (callback)
    promise.then(value => callback(null, value), callback)

  return promise
}

// Sometimes I like to use callbacks, but other times a promise is

jeromepl

import { Component } from "React";

export default (ComposedComponent) => class extends Component {
  constructor(props) {
    super(props);
    this.state = { data: null };
  }
  componentDidMount() {
    this.setState({ data: 'Hello' });
  }

jlongster

// This function:

function foo() {
  var x = 5;
  var y = 6;
  debugger;
  return x + y;
}

edouard-lopez

Requirements

sudo apt-get install heimdall{,-frontend} 
sudo apt-get install android-tools-adb
sudo apt-get install build-essential cmake zlib1g-dev qt5-default libusb-1.0-0-dev libgl1-mesa-glx libgl1-mesa-dev

gaearon

function mapValues(obj, fn) {
  return Object.keys(obj).reduce((result, key) => {
    result[key] = fn(obj[key], key);
    return result;
  }, {});
}

function pick(obj, fn) {
  return Object.keys(obj).reduce((result, key) => {
    if (fn(obj[key])) {

mzabriskie

// Expects an array of scores from 0-10
// Example: nps([10, 9, 10, 4]); -> 50
// See http://www.medallia.com/net-promoter-score/
function nps(scores) {
  var promoters = 0;
  var detractors = 0;
  
  for (var i=0, l=scores.length; i<l; i++) {
    if (scores[i] >= 9) promoters++;
    if (scores[i] <= 6) detractors++;

mikechau

var React = require('react');
var cx = require('classnames');
var vjs = require('video.js');
var _forEach = require('lodash/collection/forEach');
var _debounce = require('lodash/function/debounce');
var _defaults = require('lodash/object/defaults');

var DEFAULT_HEIGHT = 800;
var DEFAULT_WIDTH = 600;
var DEFAULT_ASPECT_RATIO = (9 / 16);

NuckChorris

// app/transforms/array.js
import Ember from 'ember';
import DS from 'ember-data';

export default DS.Transform.extend({
  deserialize: function(value) {
    if (Ember.isArray(value)) {
      return Ember.A(value);
    } else {
      return Ember.A();