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Answers and rating deltas for
How do I get the unique elements and count from an array of hashes in Ruby?
| Author | Votes | Δ |
|---|---|---|
| Ben Miller | 2 | +4.30 |
| Frost | 1 | +1.23 |
| Manivannan Jeganathan | 0 | -1.37 |
| CMW | -1 | -4.16 |
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