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Answers and rating deltas for
How to get the sum of number by group if the tables are big
| Author | Votes | Δ |
|---|---|---|
| Kamil Gosciminski | 3 | +2.41 |
| Tim Biegeleisen | 2 | -1.74 |
Last visited: Sep 13, 2018, 12:54:19 AM