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Answers and rating deltas for
How to use MongoDB aggregate to get the first of each group, including nulls?
| Author | Votes | Δ |
|---|---|---|
| styvane | 3 | +0.43 |
| Alla B | 2 | +0.86 |
| Volodymyr Synytskyi | 1 | -3.65 |
Last visited: Mar 19, 2016, 4:59:30 PM