Common Rails Commands

rails new app
rails server
rails generate Scaffold name:string email:string
bundle exec rake db:migrate
rails console
bundle exec rake test
bundle exec guard init
bundle exec guard
rails generate integration_test site_layout # generate integration test like for 'site layout'
rails generate controller Users new
rails destroy controller AccountActivations
rails generate model User name:string email:string
rails generate uploader Picture
bundle exec rake db:migrate
bundle exec rake db:migrate:status
bundle exec rake db:rollback  # undo db migration
rails console --sandbox # any modification will be rolled back
bundle exec rake test:models # test for models

rails generate migration add_index_to_users_email
rails generate migration add_password_digest_to_users password_digest:string

# Remove/ Reset Database
bundle exec rake db:migrate:reset
bundle exec rake db:seed # Load sample data from seeds.rb file

# do not install gem from production
bundle install --without production