From: Josh Cheek <josh.cheek@...>
Date: 2010-02-15T17:09:38+09:00
Subject: Re: Compare and delete element from an array

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On Mon, Feb 15, 2010 at 1:44 AM, Greg Ma <gregorylepacha@msn.com> wrote:

> Thanks for the explanation!
> I finally found my error. In fact the delete_if was correcty working but
> the modification from the array wasnt reproduce on the database.
> What am i missing to do so?
>
> Greg
> --
> Posted via http://www.ruby-forum.com/.
>
>
Sounds like a Rails/ActiveRecord question, you'll probably have more luck o=
n
that mailing list
http://groups.google.com/group/rubyonrails-talk

But for a good place to start, I assume you have a has_and_belongs_to_many
association, in which case the guides imply you can just use delete
http://guides.rubyonrails.org/association_basics.html#has-and-belongs-to-ma=
ny-association-reference

4.4.1.4 collection.delete(object, =85)
The collection.delete method removes one or more objects from the collectio=
n
by deleting records in the join table. This does not destroy the objects.
@part.assemblies.delete(@assembly1)

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