From: Josh Cheek <josh.cheek@...>
Date: 2010-02-08T15:44:32+09:00
Subject: Re: Combinatorics and permutations? Help?

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On Sun, Feb 7, 2010 at 9:29 PM, Sergio Bayona <bayona.sergio@gmail.com>wrote:

> I have a similar challenge:
>
> given: [{"a" => [1, 2]}, {"b" => [3, 4]}]
>
> I need: [{"a" => 1, "b" => 3}, {"a" => 1, "b" => 4}, {"a" => 2, "b" =>
> 3}, {"a" => 2, "b" => 4}]
>
> Any ideas?
>
> Thanks.
> S
> --
> Posted via http://www.ruby-forum.com/.
>
>
Here is a solution I have come up with (http://gist.github.com/297937). I
don't know how you want all edge cases to be handled, I made my best
guesses, you can see them in the tests.

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