JWT (JSON Web Tokens): A Complete Guide
A complete guide to JSON Web Tokens — structure, signing algorithms, use cases, security best practices, and implementation in Ruby and Go.
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Algorithm Design Principles: A Practical Guide
A practical guide to algorithm design principles — efficiency, data structure
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
Ruby prepend vs include: Module Composition Guide
Learn how Ruby's prepend works, how it differs from include, and when to use each for module composition and method wrapping.
Singleton Methods and the Singleton Class in Ruby
A complete guide to Ruby's singleton methods and singleton class — what they are, how they work, and how they underpin class methods and Ruby's object model.
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.
attr_accessor, attr_reader, and attr_writer in Ruby
A complete guide to Ruby's attribute accessors — attr_accessor, attr_reader, and attr_writer — with examples, custom implementations, and best practices.