Black-Mac:turbocis89 Charles$ script/console
Loading development environment (Rails 2.0.991)
>>  Spec.partial_updates
=> true
>> User.partial_updates
=> true
>> @user = User.find_by_screen_name('vince888')
=> #<User id: 1, screen_name: "vince888", password: "vince888", email: "vince@vince888.com", created_at: "2008-05-15 12:35:12", updated_at: "2008-05-15 13:03:38", authorization_token: nil>
>> @user.spec.city_of_birth
=> "Wichita"
>> @user.spec.city_of_birth = 'Charleston'
=> "Charleston"
>> @user.spec.changes
=> {"city_of_birth"=>["Wichita", "Charleston"]}
>> @user.spec.save
=> false
>> @user.spec.save(false)
=> true
>> @user.spec.changes
=> {}
>> @user.spec.city_of_birth
=> "Charleston"