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
If you use Linux or Mac, every time you open a terminal you are using a shell application. A shell is an interface that helps you execute commands in your system. The shell hosts environment variables & has useful features like a command history and auto-completion. If you are the kind of person that likes … Read more
Let’s make a project together! Linux tools like ps, top & netstat are great. They give you a lot of information about what’s going on with your system. But how do they work? Where do they get all their information from? How can we use this to build our own tools? In this post we … Read more