alvinang

// IMPORTANT: "this" is set when a function is CALLED, not defined.
// It also depends on how it is called. 
// There are 4 ways to define a function (directly affect "this" as well)

// 1. Constructor 
// "this" -> new object {}
var func = new User();

// 2. Method
// "this" -> receiver (func) 

alvinang

# This starter templates adds gems to your gemfile when creating a new rails app
# Usage:
# rails new <app name> -m <this gist's url>/raw

gem_group :development, :test do
  gem 'rspec-rails'
  gem 'better_errors'
  gem 'binding_of_caller'
  gem 'quiet_assets'
  gem 'annotate'

alvinang

class TowersOfHanoi

    def self.start

		@n = 0
		puts "------------------------------------------------------------------------"
		puts "Towers of HanooOoiiiii"
		puts " "
		puts "Your goal is to move all disk to peg 'c' in order. i.e. \"c\" => [3,2,1]"
		puts " "

alvinang

# Found question from Best of Ruby Quiz - modified and created the following.

# Library to convert letters to phone numbers
@numbers_library = { "A" => 2, "B" => 2, "C" => 2, "D" => 3, "E" => 3, "F" => 3, "G" => 4, 
  				"H" => 4, "I" => 4, "J" => 5, "K" => 5, "L" => 5, "M" => 6, "N" => 6, 
					"O" => 6, "P" => 7, "Q" => 7, "R" => 7, "S" => 7, "T" => 8, "U" => 8, 
					"V" => 8, "W" => 9, "X" => 9, "Y" => 9, "Z" => 9 
}