StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
What Does the "?" Symbol Mean in Objective-C?
| Author | Votes | Δ |
|---|---|---|
| nevan king | 1 | +1.15 |
| CRDave | 0 | -0.92 |
| Matthew Graves | 0 | -1.90 |
Last visited: Sep 14, 2014, 5:07:29 AM