ivanbrennan

# Download this file:
# https://gist.github.com/scottcreynolds/ac1b5c8d96de0c91bf7c/download

# Run it from your terminal with: 
# ruby ruby_phone_format.rb
# (Just make sure you are in the right directory)

# ======================================
# Ignore All This Code
# ======================================

ivanbrennan

def apple_picker(array)
  apples_etc = array.collect { |element| element if element == "apple"}
  apples_etc.compact
end

def apple_picker(array)
  array.select {|element| element == "apple"}
end

# select returns an array of the original elements that make block evaluate to true, while

ivanbrennan

movie_collection = { "horror" => ["Kindergarten Cop", "Psycho", "Last House on the Left"],
                     "comedy" => ["Beverly Hills Cop", "Jackass"],
                     "fantasy" => ["The Hobbit", "Willow", "The Princess Bride"]}

recipes = { "bolognese sauce" => ["olive oil", "onion", "garlic", "tomato", "basil", "oregano"],
            "omlette" => ["eggs", "milk", "cheese"],
            "chicken adobo" => ["chicken", "vinegar", "onions", "garlic", "ginger", "soy sauch"]}

user_profiles = { "Jordan" => { "favorite colors" => ["red", "yellow", "blue"],
                                "personal_essays" => ["essay 1", "essay 2", "essay 3"] },

ivanbrennan

def reverse_each_word(sentence)
  words = sentence.split
  back_words = words.collect { |word| word.reverse }
  back_words.join(" ")
end

ivanbrennan

holiday_supplies = {
  :winter => {
    :christmas => ["Lights", "Wreath"],
    :new_years => ["Party Hats"]
  },
  :summer => {
    :forth_of_july => ["Fireworks", "BBQ"]
  },
  :fall => {
    :thanksgiving => ["Turkey"]

ivanbrennan

def take_a_number(deli, person)
  deli << person
  deli.length
end

def now_serving(deli)
  puts "Currently serving #{deli.first}"
  deli.shift
end

ivanbrennan

game = {
  :home => {
    :name     => "Wu-Tang Clan",
    :colors   => ["Black", "Yellow"],
    :players  => [
      { :name      => "Method Man",
        :number    => 6,
        :shoe_size => 10,
        :stats     => {
          :points     => 49,

ivanbrennan

class Array
  def version_sort
    self.sort_by do |file|
      file.scan(/\d+|[a-z]*/).map { |el| el.to_i }
    end
  end
end

filenames = [
  "foo-1.10.2.ext",

ivanbrennan

# tower_of_hanoi.rb

a = [1,2,3,4]
b = []
c = []

# Move the disks from one peg to another following the rules of Hanoi.
#
# number_of_disks - the total number of disks
# from - the starting peg

ivanbrennan

# create a method called create_groups that, given an array of student names,
# a group size, and a number of groups, will return an array of groups of
# of students with no student in adjacent groups
def create_groups(students, group_size, num_of_groups)
  out_of_order = students.shuffle
  groups = []
  index = 0
  num_of_groups.times do
    group = []
    group_size.times do