When to use nested classes and classes nested in modules?

When to use nested classes and classes nested in modules?

ruby oop

ruby

What exactly is the singleton class in ruby?

ruby oop singleton

ruby

Passing hashes instead of method parameters [closed]

ruby oop coding-style

ruby

Ruby on rails - Static method

ruby oop static-methods

ruby

redefining a single ruby method on a single instance with a lambda

ruby oop

ruby

How do I list all objects created from a class in Ruby? [duplicate]

ruby oop class-method

ruby

What is the most efficient way to initialize a Class in Ruby with different parameters and default values?

ruby oop class

ruby

call parent constructor in ruby

ruby oop constructor initialization new-operator

ruby

Why is sqrt() not a method on Numeric?

ruby oop

ruby

Python equivalent of Ruby's 'method_missing'

python ruby oop metaprogramming method-missing

ruby

Traits vs. Interfaces vs. Mixins?

ruby scala oop programming-languages

ruby

How do Ruby programmers do type checking?

ruby oop duck-typing

ruby

Is "monkey patching" really that bad? [closed]

javascript ruby oop language-design monkeypatching

ruby

attr vs attr_accessor

ruby oop

ruby

How is Ruby more object-oriented than Python?

python ruby oop

ruby