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Answers and rating deltas for
How do I group arrays by the first 2 values and sum their corresponding number in ruby?
| Author | Votes | Δ |
|---|---|---|
| Aleksei Matiushkin | 2 | +0.44 |
| XQY | 1 | -3.52 |
Last visited: Jan 4, 2017, 6:48:23 AM