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imteekay / authormodel.rb
Created October 14, 2015 03:28
class Author < ActiveRecord::Base
end
@imteekay
imteekay / authormigration
Created October 14, 2015 03:32
rails g migration CreateAuthors
@imteekay
imteekay / author-model.rb
Created October 14, 2015 03:52
class Author < ActiveRecord::Base
has_many :posts
end
@imteekay
imteekay / post-model.rb
Created October 14, 2015 03:57
class Post < ActiveRecord::Base
belongs_to :author
end
@imteekay
imteekay / author.rb
Created October 14, 2015 12:24
author = Author.new
=> #<Author id: nil, first_name: nil, last_name: nil>
author.first_name = "Leandro"
=> "Leandro"
author.last_name = "Tk"
=> "Tk"
author.save
=> #<Author id: 1, first_name: "Leandro", last_name: "Tk">
@imteekay
imteekay / author-post.rb
Created October 14, 2015 12:30
author = Author.new
=> #<Author id: nil, first_name: nil, last_name: nil>
author.first_name = "Leandro"
=> "Leandro"
author.last_name = "Tk"
=> "Tk"
author.save
=> #<Author id: 1, first_name: "Leandro", last_name: "Tk">
post = Post.new(title: "Database & Rails", text: "Lorem Ipsum...")
@imteekay
imteekay / all.rb
Created October 14, 2015 12:41
Post.all
=> [#<Post id: 1, title: "Database & Rails", text: "Lorem Ipsum...", author_id: 1>]
@imteekay
imteekay / find.rb
Created October 14, 2015 12:42
Post.find(1)
=> #<Post id: 1, title: "Database & Rails", text: "Lorem Ipsum...", author_id: 1>
@imteekay
imteekay / where.rb
Created October 14, 2015 12:44
Post.where(title: "Database & Rails")
=> [#<Post id: 1, title: "Database & Rails", text: "Lorem Ipsum...", author_id: 1>]
Post.where(title: "Database & Rails").first
=> #<Post id: 1, title: "Database & Rails", text: "Lorem Ipsum...", author_id: 1>
@imteekay
imteekay / order.rb
Created October 14, 2015 12:56
Post.all
=> [#<Post id: 1, title: "Database & Rails", text: "Lorem Ipsum...", created_at: "2015-10-13 20:00:00", author_id: 1>, #<Post id: 2, title: "Ruby on Rails: HTTP, MVC and Routes", text: "Lorem Ipsum2...", created_at: "2015-10-13 21:00:00", author_id: 1>]
Post.order("created_at DESC")
=> [#<Post id: 2, title: "Ruby on Rails: HTTP, MVC and Routes", text: "Lorem Ipsum2...", created_at: "2015-10-13 20:00:00", author_id: 1>, #<Post id: 1, title: "Database & Rails", text: "Lorem Ipsum...", created_at: "2015-10-13 21:00:00", author_id: 1>]