Build a service that listen an http port (3000). When the browser call this route (http://localhost:3000), the service must send a "Hello www world". In order to accomplish this task, use node.js and express.
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 or 5 below 1000. Source of this challenge: https://projecteuler.net/problem=1
You must install: dot net core 1.1 (https://www.microsoft.com/net/download/core) node 6.9.3 or newer (https://nodejs.org/en/download/) I sugest you use vscode to edit your code. It's fast and free. https://code.visualstudio.com/ In order to check that your environments are ready, please create one hello world console application using c# and another using js.