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Answers and rating deltas for
Ruby group_by in array of arrays
| Author | Votes | Δ |
|---|---|---|
| Arup Rakshit | 2 | +1.38 |
| Stuart Nelson | 1 | -0.26 |
| Dan Grahn | 1 | -0.08 |
| Cary Swoveland | 0 | -1.27 |
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