What is Minitest? Minitest is a Ruby testing library, it allows you to write tests for your code TDD style. It’s the default testing framework for Rails & DHH’s favorite. Some people prefer it for its simplicity & how little code it has compared to its main alternative (RSpec). As you can see in this … Read more
In this post, you’ll learn about the different Ruby interpreters available. Every popular programming language has multiple interpreters or compilers (in the case of compiled languages like C), but what’s an interpreter? An interpreter is a program that reads your source code, converts it into a series of executable instructions & then runs them. In … Read more
If you’re wondering what’s going on with your Ruby application… There are no fancy GUI tools… But we have the ObjectSpace module! ObjectSpace gives you information about the current state of your application. Let’s discover how it works. Counting Objects Using ObjectSpace you can know what objects are currently ‘alive’ in your program. What does … Read more
Have you ever built your own web server with Ruby? We already have many servers, like: Puma Thin Unicorn But I think this is a great learning exercise if you want to know how a simple web server works. In this article, you will learn how to do this. Step-by-step! Step 1: Listening For Connections … Read more
Ruby 2.4 merged Fixnum & Bignum into the same class (Integer) so I think this is a good time to review the different number types in Ruby! That’s what we are going to talk about in this post 🙂 An Overview of Number Types Let’s start by taking a look at the class hierarchy of … Read more