bradtraversy

const express = require('express');
const fetch = require('node-fetch');
const redis = require('redis');

const PORT = process.env.PORT || 5000;
const REDIS_PORT = process.env.PORT || 6379;

const client = redis.createClient(REDIS_PORT);

const app = express();

bradtraversy

MongoDB Cheat Sheet

Show All Databases

show dbs

Show Current Database

somecuitears

Creating Gradle Project

1. Create New Project

2. Select Java and Web from the Option

3. You will be asked to provide GroupID and ArtifactID

• GroupID: it will identify your project uniquely across all projects. (E.g. com.project.model | com.project.plugins)

DiegoSalazar

// Takes a credit card string value and returns true on valid number
function valid_credit_card(value) {
  // Accept only digits, dashes or spaces
	if (/[^0-9-\s]+/.test(value)) return false;

	// The Luhn Algorithm. It's so pretty.
	let nCheck = 0, bEven = false;
	value = value.replace(/\D/g, "");

	for (var n = value.length - 1; n >= 0; n--) {