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| # SELECT | |
| # INPUT: array | |
| # OUTPUT: array which size <= INPUT | |
| array = ['Michel Polnareff', 'Michel Jonasz', 'Michel Delpech', 'Maxime Leforestier'] | |
| michels = [] | |
| array.each do |singer| | |
| if singer.split.first == "Michel" | |
| michels << singer |
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| # REDUCE | |
| # input: array | |
| # output: single | |
| numbers = [ 21, 36, 54, 18, 11] | |
| sum = 0 | |
| numbers.each do |number| | |
| sum += number | |
| end | |
| puts sum |
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| # BLOCKS | |
| # def a_long_program | |
| # puts "doing a very long treatment..." | |
| # sleep 4 | |
| # end | |
| # puts a_long_program | |
| # def a_short_program | |
| # start = Time.now | |
| # puts "doing a very fast treatment..." |
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| # def bonjour(name) | |
| # name.capitalize! | |
| # return "Bonjour #{name}" | |
| # end | |
| # puts bonjour("boris") | |
| def yoda_hi(name) | |
| return "#{name}, hi!" | |
| end | |
| puts yoda_hi("luke") |
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| # louchebem translator | |
| # let's start with some pseudo-code | |
| def louchebemize_word(word) | |
| if word.length == 1 | |
| return word | |
| else | |
| vowels = %w(a e i o u y) | |
| letters = word.split("") | |
| first_vowel_index = letters.find_index do |letter| |
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| require "pry-byebug" | |
| def full_name(first_name, last_name) | |
| cap_first_name = first_name.strip.capitalize | |
| binding.pry | |
| cap_last_name = last_name.capitalize | |
| return "#{cap_first_name} #{cap_last_name}" | |
| end | |
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| class Car | |
| attr_reader :color, :engine_started, :accessory | |
| # Public interface | |
| def initialize(color) | |
| @color = color | |
| @engine_started = false | |
| end | |
| def start_engine |
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| class FacebookUser | |
| attr_reader :email, :friends | |
| def initialize(options = {}) | |
| @name = options[:name] | |
| @age = options[:age] | |
| @inscription_date = Time.now | |
| @email = options[:email] | |
| @password = options[:password] | |
| @photos = [] |
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| class FacebookUser | |
| attr_reader :email, :friends | |
| def initialize(options = {}) | |
| @name = options[:name] | |
| @age = options[:age] | |
| @inscription_date = Time.now | |
| @email = options[:email] | |
| @password = options[:password] | |
| @photos = [] |
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| require_relative "facebook_user" | |
| boris = FacebookUser.new({name: "Boris", email: "boris@lewagon.com", password: "toto"}) | |
| boris.add_photo("wwww.mes-photos.com/ma-premiere-photo.jpg") | |
| boris.add_photo("ma2emephoto.jpeg") | |
| kevin = FacebookUser.new({name: "Kevin", email: "kevin@gmail.com", password: "tata"}) | |
| boris.add_friend(kevin) | |
| # puts boris.friends | |
| p kevin.friends.first.email |