If you want to learn about Ruby instance variables, how they work & why they're useful. You're in the right place! First question... What's an instance variable? In the Ruby programming language, an instance variable is a type of| RubyGuides
When teaching Ruby I always like to work on some programming challenges together to test the problem-solving skills of my students. The main problem I see is that they don’t know how to think like a programmer & they aren’t familiar with the tools available to us. Which tools I’m referring to? I’m not talking ... Read more The post The Elements of Ruby appeared first on RubyGuides. Don't miss your free gift here :)| RubyGuides
By reading this article you will gain a basic understanding of the Haskell programming language and the functional programming paradigm. First of all… Why Haskell? Haskell is THE language when it comes to functional programming because it embraces this programming paradigm fully while still being somewhat usable for real-world production applications. Yes, it does have ... Read more The post Haskell For Ruby Developers appeared first on RubyGuides. Don't miss your free gift here :)| RubyGuides
Artificial intelligence seems to have reached a peak in popularity, and for good reason, it’s advancing very fast, it has reached the public eye (“thanks” to ChatGPT), and there is VERY active research on the field right now. So I fully immersed myself into the topic (the best way to learn something new, btw) so ... Read more The post How to use Generative AI & Vector Embeddings with Ruby (and a little bit of Python) appeared first on RubyGuides. Don't miss your free gift here :)| RubyGuides
An amazing new feature is now available in Ruby, it’s called pattern matching & it lets you extract specific values from complex data structures like arrays, hashes, and objects using concise syntax. In addition, it helps you check that these objects match a specific structure, so it works as a form of object validation. Since ... Read more The post From Complexity to Clarity: Mastering Ruby’s Pattern Matching Features appeared first on RubyGuides. Don't miss your free gift here :)| RubyGuides
What is a Ruby hash? A hash is an efficient data structure that lets you store data in UNIQUE key-value pairs. It’s like a kind of dictionary that you can build & use to quickly search for something. The “word” in this dictionary is the key, and the “definitions” are the values stored under each ... Read more The post Exploring Ruby Hashes: A Deep Dive into Data Manipulation appeared first on RubyGuides. Don't miss your free gift here :)| RubyGuides
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 The post What Is Self in Ruby & How to Use It (Explained Clearly) appeared first on RubyGuides. Don't miss your free gift here :)| RubyGuides
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 The post What is Scaffolding in Ruby on Rails? appeared first on RubyGuides. Don't miss your free gift here :)| RubyGuides
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 The post How to Work With Directories in Ruby appeared first on RubyGuides. Don't miss your free gift here :)| RubyGuides
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 The post 7 Major Differences Between Java & Ruby appeared first on RubyGuides. Don't miss your free gift here :)| RubyGuides
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| RubyGuides