If you’re learning Ruby you may find the use of the “self” keyword very confusing. How does it work? What is self, exactly? It’s a Ruby keyword that gives you access to the current object. If you don’t know what objects are, watch this video I made for you. It’s related to Object-Oriented Programming. This … Read more
You may be learning Rails & you read that you have to create a “scaffold” to get your Rails application started… Easy! You can do this using the rails g scaffold command. But what is scaffolding? “Scaffolding is a temporary structure used to support a work crew to aid in the construction, maintenance and repair … Read more
Did you know that you can navigate your file system with Ruby? With the Ruby “Dir” class. You can list directory entries, change your current directory & even create new folders! Here’s an example: filenames = Dir.entries(“.”) This entries method returns an array of filename entries. Every entry is a string, so you’ll need to … Read more
How do you move from Java to Ruby? In this guide, you’ll learn what are the major differences between the two languages to help you make the jump. It’s great for the many people looking to move from Java/C# to Ruby. But… If you’re just curious about the differences, then this is also for you. … Read more
What are helpers in Rails? A helper is a method that is (mostly) used in your Rails views to share reusable code. Rails comes with a set of built-in helper methods. One of these built-in helpers is time_ago_in_words. Here’s an example: time_ago_in_words(Time.now) # “less than a minute” time_ago_in_words(Time.now + 60) # “1 minute” time_ago_in_words(Time.now + … Read more