Ruby on Rails

On 24 November 2015 at 14:32, fugee ohu <fuge...@gmail.com> wrote:
> Where did the Parent object come from?

You mentioned that Category has a parent_id field, I deduced from this
that you have Parent has_many categories and Category belongs_to
parent.  If you don't understand what I am talking about then do the
tutorial.

If you don't have Parent objects then please explain what you are trying to do.

Colin
P.S.

    A: Because we read from top to bottom, left to right.
    Q: Why should I start my reply below the quoted text?

    A: Because it messes up the order in which people normally read text.
    Q: Why is top-posting such a bad thing?

    A: The lost context.
    Q: What makes top-posted replies harder to read than bottom-posted?

    A: Yes.
    Q: Should I trim down the quoted part of an email to which I'm replying?