What is a ternary operator in Ruby? A ternary operator is made of three parts, that’s where the word “ternary” comes from. These parts include a conditional statement & two possible outcomes. In other words, a ternary gives you a way to write a compact if/else expression in just one line of code. For example: … Read more
What are the best Ruby gems that you can use in your Rails projects? That’s what you’ll discover in this article! I’m going to give you 7 gems, but not the same old gems that you’ve seen a million times, I’m going to be sharing with you some gems that are very helpful, but little-known. … Read more
Keywords, like next & break are part of the Ruby programming language, so if you want a complete understanding of Ruby you need to know how they work. What are they used for? Well, in Ruby, we have all kinds of loops. Like: while until each When writing a loop, you may want to skip … Read more
This article explains class & module autoloading in Ruby. Including the new “Zeitwerk” gem which is part of Rails 6. Let’s start with a question… How do we bring together multiple source code files into one? We require them. Requiring a file makes Ruby read it & run the code inside. But if we have … Read more
What’s this “Puma” thing that starts running when you do rails server? It’s an app server! Let me explain what an application server is & why do we need them with an example. Understanding App Servers Let’s say you start building your new shiny web application in Ruby. And before you write any code… You … Read more