include vs extend in Ruby: Clear Rules, Real Patterns
Understand exactly how include and extend work in Ruby, with method lookup rules, common mistakes, and production patterns.
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Ruby — Topic Index
Topic index generated on 2026-08-03 — grouped article list
Ruby — Topic Index
Below is an index of articles grouped by topic. Click a heading to jump to the section.
Ruby
- include vs extend in Ruby: Clear Rules, Real Patterns
- Ruby Method Arguments: Positional, Keyword, and Variable Arguments
Uncategorized
- alias and alias_method in Ruby: Complete Guide
- Autoload in Rails: Complete Guide to Constant Autoloading
- Class Methods and Singleton Methods in Ruby
- Content Class Methods
- define_attribute_methods in Rails: Complete Guide to Dynamic Attribute Methods
- Dynamic Dispatch in Ruby: send, public_send, and Method Objects
- include vs extend in Ruby: Adding Methods to Classes and Objects
- Instance Methods in Ruby: Definition, Binding, and Singleton Methods
- instance_eval, instance_exec, class_eval, and module_eval in Ruby
- Loops and Iteration in Ruby: A Complete Guide
- method_missing in Ruby: Ghost Methods and Dynamic Dispatch
- Sessions in Rails: How They Work and Best Practices
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Ruby Method Arguments: Positional, Keyword, and Variable Arguments
Complete guide to Ruby method arguments — positional parameters, default values, variable args with splat, keyword arguments, forwardable args, and common pitfalls.
define_attribute_methods in Rails: Complete Guide to Dynamic Attribute Methods
A comprehensive guide to define_attribute_methods in Rails - generating attribute accessors, mutators, and query methods dynamically for ActiveRecord models.
Autoload in Rails: Complete Guide to Constant Autoloading
Understanding autoload in Rails - how Rails automatically loads constants and modules based on directory structure and naming conventions. Covers classic autoloader and Zeitwerk.
instance_eval, instance_exec, class_eval, and module_eval in Ruby
A complete guide to Ruby's context-switching methods — instance_eval, instance_exec, class_eval, and module_exec — with practical use cases and security considerations.
alias and alias_method in Ruby: Complete Guide
A comprehensive guide to using alias and alias_method in Ruby for method aliasing, metaprogramming, code reuse, and Rails patterns.
Content Class Methods
Content Class Methods
Dynamic Dispatch in Ruby: send, public_send, and Method Objects
A complete guide to Ruby's dynamic dispatch — using send, public_send, and method objects to call methods dynamically, bypass visibility, and build flexible APIs.
method_missing in Ruby: Ghost Methods and Dynamic Dispatch
A complete guide to Ruby's method_missing — how it works, practical use cases, and how to implement it safely with respond_to_missing?.
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.
Loops and Iteration in Ruby: A Complete Guide
A complete guide to loops and iteration in Ruby — times, upto, each, while, until, loop, map, select, and when to use each.
Instance Methods in Ruby: Definition, Binding, and Singleton Methods
A complete guide to Ruby instance methods — the three ways to define them, singleton methods, unbound methods, and dynamic method definition.
include vs extend in Ruby: Adding Methods to Classes and Objects
A complete guide to Ruby's include and extend — how they differ, when to use each, and the classic pattern for adding both instance and class methods via a module.
Sessions in Rails: How They Work and Best Practices
A complete guide to sessions in Rails — how they work, storage options, security considerations, and best practices for authentication.