StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
In perl, how do I find the sum of values in 2nd column grouped by values in the first column
| Author | Votes | Δ |
|---|---|---|
| Karthick S | 1 | 0.00 |
Last visited: Sep 14, 2014, 5:07:29 AM