If you're curious, as I was, about which one to choose, or why there are both available, or which one is better, then keep reading as I will explain everything you need to know about the differences b...

The Ruby Hash is an implementation of the dictionary concept, where the keys (in the key, value pair) are unique numbers. A dictionary is a general concept that maps unique keys to non-unique values....

Type Driven Development and Ruby might sound like apples and oranges but it's actually very useful....

I remember when I first heard about strings. I wanted to create a command line application that would ask the user for his name and age....

I think it’s so cool that the Ruby map method exists. It means that Ruby has support for higher-order functions, and functional programming....

When you have a module that you include in other classes, the way you test it might not be obvious. This is what I'm going to show you in this tutorial....

A common source of confusion when using RSpec is whether to use let, let!, or an instance variable, for storing state. In this article I’ll try to explain the difference between let, let!, and instanc...

Do you find unless to be confusing? I know I do. Especially if it’s combined with one or more boolean operators....