```
$ bundle exec rails console
->> user = User.find_by_display_name("My New User Name")
+>> user = User.find_by(:display_name => "My New User Name")
=> #[ ... ]
>> user.status = "active"
=> "active"
```
$ bundle exec rails console
->> user = User.find_by_display_name("My New User Name")
+>> user = User.find_by(:display_name => "My New User Name")
=> #[ ... ]
>> user.roles.create(:role => "administrator", :granter_id => user.id)
=> #[ ... ]