ruby on rails quick reference

# Rake Commands
'rake db:create' -- inits database based on ./config/database.yml
'rake db:migrate' -- Actually creates the database itself
'rake db:seed' -- Seeds the database based on ./db/seed.rb
'rake db:reset' -- clear data and start again
'rake notes' -- Shows comments with tags left in code
                OPTIMIZE; TODO; FIXME

'rake routes' -- Shows routing from URI pattern/action to Controller

# Config Files
./config/database.yml:
  Find :username -- use 'createuser --createdb <name>'
                     or 'sudo -u postgres createuser --createdb <name>'

# Rails Commands
'rails s' -- Starts server
  -- Access website at http://localhost:3000
'bundle install' -- Used in the root directory of of a Rails app to get
                    all the necessary gems
'bundle exec <cmd>' -- Runs <cmd> in the context of the gems for the project
'rails g' -- short for generate: creates new models, objects, etc.
'rails d' -- short for destroy: undo generate
'rails db' -- short for dbconsole: 'psql <db_name>' when using postgres DB

'rails new <app_name> --database=postgresql'

# Ruby Commands
rspec -- Runs the test (probably based on files in spec directory?