flip

ok, i guess you mean:

u.attributes = {:profile_attributes => {:id => 2, :city => 'nowhere'}}

is this documented somewhere? Using the "old way" my approach wou...

Updating the attributes of the child model results in the creation of a new Object with nil values when using a has_one relationship and nested attributes.

>> ...

workaround: http://code.google.com/p/habtm-w...

Validation of attributes by the model layer is not always possible with a HABTM relationships.

Here is a simple situation so you can understand where i'm goin...

exists? needs a primary key to work. So it won't work with tables without a primary key.

1. File activerecord/lib/active_record/base.rb, line 601

601: d...