> p.categories now has TWO catBike Because << does not ask questions. It just adds a catBike. If you already had one, now you have two.
You might need some combination of these: a :unique => true on the habtm (spelling?) a unique key (index) on the database --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---

