StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Null and empty check. Here i am getting confused with null check.please explain me the below code?
| Author | Votes | Δ |
|---|---|---|
| Hülya | 0 | +0.64 |
| Makoto | 0 | -0.14 |
| Lorelorelore | 0 | +0.47 |
Last visited: Feb 19, 2019, 8:26:47 AM