Ruby

Data Structure Basics pt.4
Notes on associative arrays.
Data Structure Basics pt.3
Notes on lists.
Data Structure Basics pt.2
Notes on arrays and their sorting algorithms.
Data Structure Basics pt.1
Introductory notes on the basics of data structures.
Object Equality in Ruby
How to implement equality correctly in Ruby.
Test Modules in Minitest
How to test modules in Ruby, and Minitest