rails commands

rails_commands

rails generate model Modelname attr1:string attr2:integer
rails destroy model Modelname
rails generate migration add_user_id_to_posts user_id:integer

/* Delete and re-create */
rake db:drop
rake db:create
rake db:migrate

rake db:reset
rake db:migrate
rake db:test:prepare
rake db:populate (own task)

Object.methods.grep /string/

hirb (gem for viewing query results in console). See http://tagaholic.me/2009/03/13/hirb-irb-on-the-good-stuff.html
-----
require 'hirb'
Hirb::View.enable


Devise
------
rails generate devise:install
rails generate devise User
rake db:migrate
rails generate devise:views


Convert to HAML
---------------
gem install hpricot
gem install ruby_parser
for i in `find app/views/devise -name '*.erb'` ; do html2haml -e $i ${i%erb}haml ; done

Debug
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debug variable, e.g. debug(params)
simple_format session.to_yaml
myobj.inspect