two_sum?(a, n) takes an array of integer a and an additional integer n as arguments and returns true if there are two different elements adding up to the integer n, and it returns false if not.

These exercises are designed to complement the Ruby Basic lessons on The Odin Project. Each folder contains exercises and specs (tests) for the lessons in the Ruby Basics section.

This is a small Ruby tutorial that should take no more than 20 minutes to complete. It makes the assumption that you already have Ruby installed. (If you do not have Ruby on your computer install it ...

The Introduction to Ruby course is designed to demonstrate how to utilize the basics of the Ruby programming language to make functioning scripts and basic web applications. The course begins with a ...