StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
TypeError: cannot concatenate 'str' and 'NoneType' objects
| Author | Votes | Δ |
|---|---|---|
| Martijn Pieters | 3 | +0.54 |
| Sheena | 0 | -0.54 |
Last visited: Sep 14, 2014, 5:07:29 AM