cheat sheets.

A Rails console command line tool for exploring, browsing and inspecting the
structure, associations and data of ActiveRecord data models.

Methods:
.lf (list fields):
  User.lf, user.blogs.lf

.la (list attributes):
  User.la, user.blogs.la

.pr (print): puts info in columns
  user.friends.pr :first_name, :last_name, 'comments.count'
  User.find(2).blogs.comments.comment.pr  
  
.wi (with): limit data 
  OR:  User.find(2).blogs.comments.wi(:user_id=>5, :user_id=>9).comments.pr
  AND: User.find(2).blogs.comments.wi(:blog_id=>6).wi(:user_id=>5).comments.pr
  
  User.find(2).blogs.comments.wi('user.last_name.include?("Grant")').comment.pr
  User.find(2).blogs.comments.wi(20,21,22).comment.pr
  User.find(2).blogs.comments.wi(:blog_id=>[6,7,8]).comments.pr
  
.wo: opposite of .wi