caioertai

'01': Ain
'02': Aisne
'03': Allier
'04': Alpes-de-Haute-Provence
'05': Hautes-Alpes
'06': Alpes-Maritimes
'07': Ardèche
'08': Ardennes
'09': Ariège
'10': Aube

caioertai

require_relative 'scraper'

# Using movie getter to scrape top 5 urls
movies_urls = movie_getter

# Iterate over the urls to scrape movies
movies = movies_urls.map do |movie_url|
  puts "Scraping #{movie_url}"
  # calls #scrape_movie, that returns a hash
  # that represents a movie, making our

caioertai

1.

rails new app_name --options-flags

2.

3 2 1

3.

rails g model Song title:string year:integer

app/models/song.rb

caioertai

require 'yaml'
require_relative 'scraper'

movie_urls = movie_getter


File.open('movies_db.yaml', 'wb') do |file|
  movies_array = movie_urls.map do |movie_url|
    puts "Scraping #{movie_url}"
    scrape_movie(movie_url)

caioertai

pry-byebug Cheatsheet

Instalation

Make sure you have the gem installed:

$ gem install pry-byebug

Usage

1. Require the gem at the top of your file

caioertai

# Live-code: Voting age

puts "What's your age?"
age = gets.chomp.to_i

minor = age < 18

unless minor
  puts "You can vote!"
end

caioertai

# The one we built
def acronimyzer(sentence)
  # Capitalize sentence
  caps = sentence.upcase

  # Split words
  words = caps.split

  # Pick first letter of each word
  letters = []

caioertai

musicians = ['David Gilmour', 'Roger Waters', 'Richard Wright', 'Nick Mason']
#                   0             1                2                3
puts musicians.length

# Array CRUD
# Create
# musicians.push("Steven Wilson")
musicians << "Steven Wilson"
p musicians

caioertai

def encrypt(message, encryption_key = -3)
  # Creates an alphabet array using a range
  alphabet = ("A".."Z").to_a

  # Converts the message (a String) into an upcased
  # array of letters
  letters = message.upcase.chars

  # Iterate (with #map) over each letter
  letters.map do |letter|

caioertai

#                  0        1        2        3
students =     [ "Peter", "Mary", "George", "Emma" ]
student_ages = [ 24     , 25    , 22      ,  20    ]

# Write a program that prints this:
# Peter is 24 years old

students.each_with_index do |student, index|
  age = student_ages[index]
  p "#{student} is #{age} years old"