StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
SQL CONCAT if column is not null
| Author | Votes | Δ |
|---|---|---|
| Sougata Bose | 3 | +1.11 |
| Serhat Akay | 0 | -1.18 |
| Ohgodwhy | 0 | -0.97 |
Last visited: Nov 19, 2015, 11:04:47 PM