Quiz w04d03

gistfile1.txt

# W04D03 Quiz
=begin
Your solutions to all the problems below (except for Problem 1) should be included in this file.

Assuming the database "quiz" mentioned in Problem 3 has been created, this file should be able to be executed in the command line (`ruby d03_quiz.rb`) without throwing any errors.
=end

## Problem 1
=begin
As you would with a regular homework assignment, please pull this file to your homework repository, make the necessary edits, push it, and then make a pull request.

The instructors will not provide assistance. If you run into trouble, please copy and paste the file as a public Gist (https://gist.github.com/), and share the link with the instructors as an issue in the addbass-hw repository.
=end

## Problem 2
=begin
Define a method "doubler" such that the return value of the method below is the array [2,4,6,8,10]. Use a numerator inside the method definition.
=end

def doubler(numbers)
  numbers *2 each.do |x|

end

puts doubler([1,2,3,4,5])

## Problem 3
=begin
Given the following code:
=end
require "active_record"

ActiveRecord::Base.establish_connection(
  adapter:  "postgresql",
  host:	    "localhost",
  database: "quiz"
)

ActiveRecord::Base.connection.tables.each do |table_name|
  if ActiveRecord::Base.connection.table_exists? table_name
    ActiveRecord::Migration.drop_table(table_name)
  end
end

ActiveRecord::Migration.create_table :ships do |column|
  column.string :name, null: false
end

ActiveRecord::Migration.create_table :sailors do |column|
  column.string :name, null: false
  column.belongs_to :ship
end

class Ship < ActiveRecord::Base
  has_many :sailors
end

class Sailor < ActiveRecord::Base
  belongs_to :ship
end

# 3.A) Create a ship object and save it to a variable.
new_ship= Ship.create(:name => "Titanic7")
# 3.B) Create two sailors that belong to the ship object you created in 3.A.
new_sailor1 = Sailor.create(:name => "Ryan",:ship_id =>new_ship.id)
new_sailor2 = Sailor.create(:name => "Odis", :ship_id =>new_ship.id)

# 3.C) Puts the names of all sailors that belong to the variable you created in 3.A.
new_ship.sailors.each do |x|
  puts  x.name
end
puts new_sailor1.name
puts new_sailor2.name

## Problem 4
def two bb,cc
  return false
end
binding.pry

=begin
Create a method that accepts 2 arguments and always returns false.

d
=end

quiz submission