arjunKumbakkara

#set connection data accordingly
#Will only work for redis > 5.0 
#Easiest way 
#if it doesnt work , then try with  target_db=0 for both
#Also always use  -c  after redis-cli    . Or else the redirection wont work and it will throw (error) Move
#There are multiple ways of doing it. One is  via MIGRATE command  , 2nd is  via DUMP and RESTORE command.


source_host=localhost
source_port=6379

reecelucas

const SCROLL_UP = "up";
const SCROLL_DOWN = "down";

const useScrollDirection = ({
  initialDirection,
  thresholdPixels,
  off
} = {}) => {
  const [scrollDir, setScrollDir] = useState(initialDirection);

dieppon

<?php
$currency_symbols = array(
	'AED' => '&#1583;.&#1573;', // ?
	'AFN' => '&#65;&#102;',
	'ALL' => '&#76;&#101;&#107;',
	'AMD' => '&#1380;',
	'ANG' => '&#402;',
	'AOA' => '&#75;&#122;', // ?
	'ARS' => '&#36;',
	'AUD' => '&#36;',

juris

#!/bin/sh

readonly cluster_topology=$(redis-cli -h redis-cluster cluster nodes)
readonly slaves=$(echo "${cluster_topology}" | grep slave | cut -d' ' -f2,4 | tr ' ' ',')

readonly backup_dir="/opt/redis-backup"
mkdir -p ${backup_dir}

for slave in ${slaves}; do
    master_id=$(echo "${slave}" | cut -d',' -f2)

inecmc

Create the directory for the new instance

$ sudo install -o redis -g redis -d /var/lib/redis2

Create a new configuration file

$ sudo cp -p /etc/redis/redis.conf /etc/redis/redis2.conf

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])) {

ericelliott

ES6 Defaults / Overrides Pattern

Combine default parameters and destructuring for a compact version of the defaults / overrides pattern.

function foo ({
    bar = 'no',
    baz = 'works!'
  } = {}) {

sebmarkbage

React (Virtual) DOM Terminology

In React's terminology, there are five core types that are important to distinguish:

• ReactElement / ReactElement Factory
• ReactNode
• ReactComponent / ReactComponent Class

React Elements

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

kohnmd

/**
 * Resizes the canvas for high DPI (retina) screens.
 *
 * Modified from here: http://www.html5rocks.com/en/tutorials/canvas/hidpi/
 *
 * By Paul Lewis, customized by Mike Kohn
 */
var HDPICanvas = (function() {
    
    function scale(canvas) {