StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
How can I prevent someone using a promo code twice?
| Author | Votes | Δ |
|---|---|---|
| klin | 2 | +0.29 |
| thedarkcoder | 1 | +0.80 |
| paarandika | 0 | -3.15 |
Last visited: Aug 20, 2017, 4:42:26 AM