gistfile1.rb

# User Model
class User < ActiveRecord::Base
  has_one :account, :validate => true, :autosave => true
  devise :database_authenticatable, :registerable, :lockable,
         :recoverable, :rememberable, :trackable, :validatable

  # Setup accessible (or protected) attributes for your model
  attr_accessible :first_name, :last_name, :username, :email, :password, 
      :password_confirmation, :remember_me, :account_attributes
  validates_presence_of :first_name, :last_name#, :username
  accepts_nested_attributes_for :account 

end

# Account Model
class Account < ActiveRecord::Base
  belongs_to :user
  attr_accessible :company_name 
  validates_presence_of :company_name
  
end