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Answers and rating deltas for

How to find all Keys in a hash have a value in Perl

Author Votes Δ
Alan Haggai Alavi 8 +1.67
Chas. Owens 6 +0.85
Quentin 4 -0.11
Hynek -Pichi- Vychodil 1 -0.57
Brad Gilbert 0 -0.98
J.J. 0 -1.02
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