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An Elo-based rating system for Stack Overflow
Answers and rating deltas for
PostgreSQL GROUP BY: SELECT column on MAX of another WHERE a third column = x
Author | Votes | Δ |
---|---|---|
Erwin Brandstetter | 3 | +1.88 |
a_horse_with_no_name | 2 | -1.21 |
Last visited: Sep 14, 2014, 5:07:29 AM