On Jul 9, 8:44 am, Michael Pavling <[email protected]> wrote:
> On 9 July 2010 03:08, RailsFan Radha <[email protected]> wrote:
>
> > I come from a db world.
> > Can someone interpret this please, "self.questions.reject{|q|
> > q.nil?}.all"
>
> this explains what ".reject"
> does:http://ruby-doc.org/core/classes/Enumerable.html#M003126
>
> So essentially, the line takes the collection of questions that self
> has, and gets rid of those that are nil (fairly self-explanatory if
> you just read the line out loud to yourself ;-)
> TBH, I think the "all" at the end is a syntax error - Array doesn't
> have a .all method, although I'm not at a Ruby console to check.
For what it's worth, reject{|q| q.nil?} is the same as compact
Fred
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