View cashier.rb
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#prompted for amount due | |
puts "How much does the customer owe?" | |
bill = gets.chomp.to_f.round(2) | |
#prompted for amount received | |
puts "How much did the customer pay?" | |
payment = gets.chomp.to_f.round(2) | |
#gives change and time of transaction or provides message and exits if not enough is provided | |
change = (payment-bill).abs | |
#if payment > bill return the difference of the two and the time | |
if payment > bill |
View cashier2.rb
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puts "Please enter item prices: " #prompts for item prices | |
input = gets.chomp | |
charges = [] | |
def total(array) | |
array.inject(0) {|total, each| total + each} | |
end | |
until input.downcase == "done" | |
charges << input.to_f |
View hangman.rb
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#!/usr/bin/env ruby | |
wordbank = ["tumble", "elixir", "falter", "erroneous", "sensible", "arrogant"] #Create wordbank with some words | |
word = wordbank.sample.upcase #Choose sample word from bank | |
unaltered_word = word.upcase #Word will be altered later, this is used for congrats message | |
previous_guesses = [] #Stores user's guesses to alert when re-use is attempted | |
target = "_"*word.length #Displays user's progress in guessing the word | |
counter = 8 #Create and display a counter for guesses | |
def add_guess(array, guess) #DRY's out adding old guesses to their array |
View compound.rb
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favorite_movies = [ | |
{ title: 'The Big Lebowski', year_released: 1998, director: 'Joel Coen', imdb_rating: 8.2 }, | |
{ title: 'The Shining', year_released: 1980, director: 'Stanley Kubrick', imdb_rating: 8.5 }, | |
{ title: 'Troll 2', year_released: 1990, directory: 'Claudio Fragasso', imdb_rating: 2.5 } | |
] | |
favorite_movies.each {|movie| puts "#{movie[:year_released]}: #{movie[:title]}"} |
View cashier3.rb
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require "CSV" | |
items = [] | |
subtotal = 0 | |
input = nil | |
def read_csv(items) | |
i = 1 | |
CSV.foreach("products.csv", headers: true) do |entry| | |
items << {item_number: i, name: entry[1], price: entry[3], sku: entry[0]} | |
i += 1 |
View comment_styles.css
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body {font: 80% Verdana;} | |
.whole_page {background-color: #f6f6ef; | |
width: 85%; | |
margin: auto;} | |
header {background-color: #ff6600; | |
height: 1.80em; | |
position: relative;} |
View sql.txt
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SELECT title, rating FROM movies ORDER BY rating LIMIT 50; | |
SELECT title FROM movies | |
WHERE rating IS NULL | |
ORDER BY title; | |
SELECT title FROM movies | |
WHERE synopsis ILIKE '%thrilling%'; | |
SELECT movies.title, movies.year, movies.rating FROM movies |
View cards.rb
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class Card | |
attr_reader :rank, :suit | |
def initialize(rank=nil, suit = nil) | |
if suit.nil? | |
@suit = ['♠', '♣', '♥', '♦'].sample | |
else | |
@suit = suit | |
end |
View constructors.rb
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class Television # A TV plays many channels and many shows of those channels. | |
def initialize(channels=[]) | |
@channels = channels | |
end | |
end | |
class Channels #A channel may have many shows and belong to many TVs. | |
def initialize(shows=[]) | |
@shows = shows | |
end |
View getters.rb
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class Car | |
def initialize(color, owner, cylinders) | |
@color = color | |
@owner = owner | |
@cylinders = cylinders | |
end | |
def color | |
@color | |
end |
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