krokrob

def timer
  start_time = Time.now
  puts 'starting a long algorithm....'
  yield
  puts 'process done!'
  end_time = Time.now
  return end_time - start_time
end

# timer do

krokrob

musicians = ['David Gilmour', 'Roger Waters', 'Richard Wright', 'Nick Mason']

upcased_first_names = musicians.map do |musician|
  first_name = musician.split.first
  upcased_first_name = first_name.upcase
  puts "[DEBUG] #{musician}'s first name is #{upcased_first_name}"
  upcased_first_name
end
p upcased_first_names

krokrob

musicians = ['David Gilmour', 'Roger Waters', 'Richard Wright', 'Nick Mason']
# EACH
musicians.each do |musician|
  puts "Hello #{musician}"
end

puts '-------------'

# EACH WITH INDEX
# musicians.each do |musician|

krokrob

# generer un nombre aleatoire entre 1 et 100
price = rand(1..100)
# demander un nombre a l utilisateur
# comparer les 2 nombres
guess = 0
until price == guess
  puts "What's your guess?"
  guess = gets.chomp.to_i
# si bonne reponse: indiquer que c'est gagné
# si mauvaise reponse

krokrob

# TODO: Implement a method which returns
# the number of days until next Xmas
require 'date'

def compute_result(year, today)
  xmas = Date.new(year,12,25)
  xmas - today
end

def days_until_xmas

krokrob

# interface.rb

# Pseudo-code:
# 1. Print welcome and the horses names
#   display a welcome message
puts "Welcome to the horse race!"
#   store horses names in an array
horses = [
  'Grand Cardinal',
  'Jolly Jumper',

krokrob

require_relative 'calculator'
# Calculator (addition)
#
# ask user to enter a number
puts "First number?"
# store first number
first_number = gets.chomp
# check first number class
first_number = checker_to_f(first_number)
# ask user for operation

krokrob

def calculator(number_one, number_two, operation)
  # check which operator
  case operation
  when '+'
  # compute the right operation
    result = number_one + number_two
  when '-'
    result = number_one - number_two
  when '*'
    result = number_one * number_two

krokrob

# compute computer choice
random_price = (1..100).to_a.sample

guess_price = 0 # initialization
until guess_price == random_price
  # ask user input and put into an integer
  puts " What price is the object?"
  guess_price = gets.chomp.to_i
  # compare the 2 entries
  if guess_price == random_price

krokrob

require 'date'

def compute_diff(date_today, year)
  date_christmas = Date.new(year, 12, 25)
  return (date_christmas - date_today).to_i
end

# puts compute_diff(Date.today, 2019)

def days_to_xmas