akcrono

require 'bigdecimal'
require 'bigdecimal/util'

puts 'What is the amount due?'
total = gets.chomp.to_f
puts 'What is the amount tendered?'
cash = gets.chomp.to_f

if total > cash
  puts 'WARNING: Customer still owes $0.50! Exiting...'

akcrono

require 'bigdecimal'
require 'bigdecimal/util'

values = []

puts 'What is the sale price?'
print '>'
input = gets.chomp

while input != 'done'

akcrono

require 'csv'
require 'pry'

def return_sku (hash, number)

  answer = hash.first(number)
  return answer[-1][0]
end

akcrono

def find_average scores
  sum = 0.0
  scores.each do |x|
    sum += x
  end
  return sum/scores.length
end

def find_max scores
  answer = 0

akcrono

SELECT title, rating FROM movies ORDER BY rating LIMIT 50;

SELECT title FROM movies WHERE rating = 0 ORDER BY title;

SELECT title FROM movies WHERE synopsis LIKE '%thrilling%';

SELECT movies.title, movies.year, movies.rating FROM movies JOIN genres ON movies.genre_id = genres.id WHERE genres.name = 'Science Fiction & Fantasy' AND year BETWEEN 1980 AND 1989 ORDER BY rating DESC;

SELECT actors.name, movies.title, movies.year FROM movies 
  JOIN cast_members ON movies.id = cast_members.movie_id

akcrono

class Card
  def initialize(rank = nil, suit = nil)
    if suit.nil?
      @suit = ['♠', '♣', '♥', '♦'].sample
    else
      @suit = suit
    end
    if rank.nil?
      srand()
      @rank = rand(13)+1

akcrono

class television

  def initialize(make, model, type, channel = 3, volume = 5)
    @make = make
    @model = model
    @type = type
    @channel=channel
    @volume=volume
  end

akcrono

class Card
  def initialize(rank, suit)
    @suit = suit
    @rank = rank
  end
  
  def suit
    @suit
  end
  

akcrono

class Car
  def initialize(color, owner, cylinders)
    @color = color
    @owner = owner
    @cylinders = cylinders
  end

  def color
    @color
  end

akcrono

class Whiteboard
  attr_accessor :contents

  def initialize(contents = [])
    @contents = contents
  end
  
  def erase
    @contents = []
  end