Rake commands rake, memos

Meta commands

rake --help
rake -T db:       # list all db:* commands
rake -d db:setup  # describe the command

db commands

rake db:fixtures:load
rake db:fixtures:load FIXTURES=cities,users

rake db:drop
rake db:migrate

rake db:seed

rake db:setup      # create + migrate + seed
rake db:reset      # drop + setup

rake db:rollback   # undo the last migration
rake db:rollback STEP=3  # the last 3
rake db:migrate:redo STEP=3

assets commands

rake assets:precompile
rake assets:clean           ## deleete /public/assets

routes commands

rake routes