Ruby (programming language) - Wikipedia
File:Ruby data classes.jpg - Wikipedia
Reverse the Letters in a String Without Using the Reverse Method in Ruby - YouTube
String Operators in Ruby - Coding Ninjas
Ruby - Default to_s method
Ruby Regexp Class - Regular Expressions in Ruby
Is there a Ruby ORM that uses plain ruby objects and doesn't require you to inherit from a base class? - Stack Overflow
Using Ruby ancestors to Execute Code via the String class - theyhack.me
class_eval vs. instance_eval in Ruby
Ruby Strings | Defining and Initialize Strings in Ruby (Examples)
GitHub - theodorton/ruby-string-calculate: Extension of Ruby's String class to calculate simple mathematic expressions
metaprogramming - Singleton class of singleton class of BasicObject in Ruby - Stack Overflow
Ruby Strings | Packt Hub
Ruby modules: Include vs Prepend vs Extend | by Léonard Hetsch | Medium
GraphQL with Ruby on Rails: Resolvers | Code charms me
Ruby String Methods (Ultimate Guide) - RubyGuides
Everything is object in Ruby? What about class? – Wax On Wax Off
Classes in Ruby | Ruby Tutorial | Studytonight
Solved Record declarations in Ruby Complete and use the | Chegg.com
The Ruby String Trio - String Trio For Hire - London
Introduction to Ruby
Solved Complete and use the following Ruby class to | Chegg.com
Converting GraphQL Ruby Resolvers to the Class-based API | End Point Dev
Metaprogramming: Writing in Ruby with... Ruby | Toptal®
Classes in Ruby | Ruby Tutorial | Studytonight
Ruby | Exception Class and its Methods - GeeksforGeeks
Classes in Ruby | Ruby Tutorial | Studytonight
How to Use the Ruby Grep Method (With Examples) - RubyGuides
Objects - Structure of Ruby objects | Ruby Hacking Guide
