Ruby Reference
- Basics [ruby, variable, attribute, attr_accessor, class, module, duck type, visibility, scope]
- Classes and Modules [ruby, class, module, extend, method, development]
- Collections and Loops [collection, ruby, map, list, array, hash, for, while, each, loop]
- Conditions [ruby, development, if, else, condition, case, switch, break]
- String Manipulation [string, strip, substring, ruby]