Class Instance Variables in Ruby: Inheritance, Accessors, and Rails class_attribute
A deep dive into Ruby class instance variables — how they differ from class variables, how inheritance works, and how Rails class_attribute builds on them.
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Class Variables in Ruby: @@var Explained
A complete guide to Ruby class variables (@@var) — how they work, how they behave with inheritance, thread safety concerns, and why class instance variables are usually preferred.
Ruby Class Extension Pattern: Adding Class Methods via Modules
Learn the Ruby class extension pattern — using self.included and extend(ClassMethods) to add both instance and class methods when a module is included.
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A comprehensive guide to essential developer tools and utilities covering
Essential Skills Roadmap for Beginner Developers
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A comprehensive guide to popular video tutorial websites and Massive Open Online Courses (MOOCs) for self-directed learning across various subjects
Class Methods and Singleton Methods in Ruby
A complete guide to Ruby class methods — the three ways to define them, singleton methods, inheritance, and practical patterns.
Implementing a blank? Helper in Ruby
Learn how to implement and use a blank? helper in Ruby — handling nil, empty strings, whitespace, and falsy values cleanly.
Understanding class_eval, module_eval and instance_eval
Understand Ruby's class_eval, module_eval, and instance_eval — how they switch evaluation context, when to use each, and practical metaprogramming examples.
Interface Inheritance vs Implementation Inheritance in Ruby and Go
Understand the difference between interface inheritance and implementation inheritance, with practical examples in Ruby and Go.