StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
what is the meaning of ${$key} in the code below?
| Author | Votes | Δ |
|---|---|---|
| malutki5200 | 3 | +3.66 |
| Bud Damyanov | 1 | -0.46 |
Last visited: Mar 13, 2017, 6:08:13 AM