Preserve Child Objects When Parent Objects Are Deleted in Ruby on Rails
Use dependent: :nullify in Rails associations to preserve child records when parent objects are deleted.
Ruby
Ruby Arrays Cheatsheet
A Ruby arrays cheatsheet with methods and examples for coding interviews.
Ruby Hash Key Types Vary Depending on Hash Syntax
Key types in Ruby hashes depend on hash syntax.
Sorting Hashes in Ruby
Many ways of sorting hashes in Ruby.
Iterating Through Hashes in Ruby
Several methods of iterating through Ruby hashes.
Set a Default Ruby Version with Ruby Version Manager (RVM)
Set a default Ruby version using RVM with rvm –default use
Useful Constants in Ruby's Date Class
Diving into useful constants in Ruby’s Date class