P
Phlip
Rubies:
This snippet shows how to pass or block arbitrary subsets of Hashes, by their keys:
http://snippets.dzone.com/posts/show/2178
Those items seem useful, because Hashes are not as set-theoretic as Arrays. I
suspect, for example, one cannot & two Hashes to extract their intersection.
That post is from 2006 - essentially the Neolithic Era!
Where's the best modern version of those methods?
This snippet shows how to pass or block arbitrary subsets of Hashes, by their keys:
http://snippets.dzone.com/posts/show/2178
Those items seem useful, because Hashes are not as set-theoretic as Arrays. I
suspect, for example, one cannot & two Hashes to extract their intersection.
That post is from 2006 - essentially the Neolithic Era!
Where's the best modern version of those methods?