<< should save @article when you add a new comment.
-----
Ryan Bigg
Freelancer
http://frozenplague.net







On 24/12/2008, at 3:02 PM, Zhenning Guan wrote:

>
> Rails give us two ways to create a asociation object:
> @article = Article.new(params[:article])
> @article.comments << Comment.new(params[:comment])
> @article.save!
> or
>
> @article = Article.new(params[:article])
> @comment = @article.comments.build(params[:comment])
> @article.save!
> @comment.save!
>
> what's the advantage of using build and << ??
> --  
> Posted via http://www.ruby-forum.com/.
>
> >


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