StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
TypeError: cannot concatenate 'str' and 'NoneType' objects when placing the custom u
| Author | Votes | Δ |
|---|---|---|
| alecxe | 3 | 0.00 |
Last visited: Dec 30, 2016, 1:19:15 PM