rails g model Micropost content:string user_id:integer
rake db:migrate
initial micropost spec.
A validation for the micropost's user_id.
Add micropost's user association.
Ordering the microposts with default_scope.
Ensuring that a user's microposts are destroyed along with the user.
The micropost model validations
showing microposts on the user show page.
Add microposts sample data.
CSS for microposts
adding routes for the microposts resource.
Access control tests for microposts.
Adding authentication to the Microposts controller actions.
creating microposts.
proto-status feed.
rendering the feed on the HomePage.
Destroying microposts.