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Answers and rating deltas for

For a hash of objects in ruby, hash.keys.index(obj) works but hash.has_key?(obj) does not. Why?

Author	Votes	Δ
Some Guy	0	+0.22
gizotti	0	+0.23
tihom	0	-0.06

Last visited: Sep 14, 2014, 5:07:29 AM