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Answers and rating deltas for
What is the most efficient way to sum all columns whose name starts with a pattern?
| Author | Votes | Δ |
|---|---|---|
| Thell | 10 | +4.41 |
| agstudy | 8 | +0.89 |
| djhurio | 6 | -0.05 |
| G. Grothendieck | 4 | -1.17 |
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