StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Merge 2 data frames by multiple columns, keep a row if there is a match in at least one column
| Author | Votes | Δ |
|---|---|---|
| Ricky | 1 | 0.00 |
Last visited: Nov 20, 2015, 7:56:53 AM