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Answers and rating deltas for
ruby uniq on the first two columns of two dimensional array
| Author | Votes | Δ |
|---|---|---|
| steenslag | 3 | +1.50 |
| Cary Swoveland | 2 | +0.66 |
| user1344011 | 1 | -2.73 |
| Eric Duminil | 1 | -1.60 |
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