StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
MongoDB select count(distinct x) on an indexed column - count unique results for large data sets
| Author | Votes | Δ |
|---|---|---|
| William Z | 18 | 0.00 |
| Stackee007 | 10 | 0.00 |
| Sérgio | 0 | 0.00 |
Last visited: Sep 14, 2014, 5:07:29 AM