Looking for some cool Ruby tricks? You found them! In this article I want to share with you some of my favorites. Contents Deep copy When you copy an object that contains other objects, like an Array, only a reference to these objects is copied. You can see that in action here: food = %w( … Read more
What does it mean for an object to be mutable? Don’t let fancy words confuse you, “mutability” just means that an object’s internal state can be changed. This is the default of all objects, excluding those that have been frozen, or those that are part of a list of special objects. In other words, not … Read more
Time is a class in Ruby that helps you represent a specific point in time. After reading this article you’ll learn everything you need to know to become a Ruby time wizard! Topics covered: How to convert strings into time objects How to break down a time into components (day/hours/milliseconds…) How to use the Date, … Read more
If you aren’t familiar with the term, refactoring is the act of improving the quality of code without changing what it does. This will make your code a lot easier to work with. In this post you will learn some common Ruby refactoring techniques Let’s get started! Extract Method One of the most common refactorings … Read more
Whenever you need to use some if / elsif statements you could consider using a Ruby case statement instead. In this post, you will learn a few different use cases and how it all really works under the hood. Note: In other programming languages this is known as a switch statement. The components of a … Read more