StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    SELECT col1, COUNT(col2=0), AVG(col3) FROM table GROUP BY col1; in postgresql
| Author | Votes | Δ | 
|---|---|---|
| GregHNZ | 2 | 0.00 | 
Last visited: Sep 14, 2014, 5:07:29 AM