// generate application
// generate migration.
// generate model
// we can give a list of columns and types
// :string, :text, :integer, :decimal, :float, :date, ...
// generate controller
// generate scaffold
rails projectname
// generate migration.
ruby script/generate migration migration_name ruby script/generate migration add_price
// generate model
// we can give a list of columns and types
// :string, :text, :integer, :decimal, :float, :date, ...
ruby script/generate model model_name ruby script/generate model user name:string hashed_password:string salt:string
// generate controller
ruby script/generate controller controller_name method_name(s) ruby script/generate controller store index
// generate scaffold
ruby script/generate scaffold model_name controller_name ruby script/generate scaffold product admin
