StackRating
An Elo-based rating system for Stack Overflow
Home
|
About
|
Stats and Analysis
|
Get a Badge
Answers and rating deltas for
Complex php mysqli query to insert data if not exist: getting Duplicate column name '?'
Author
Votes
Δ
Barmar
3
+1.21
Alex
0
-1.21
Last visited: Nov 19, 2015, 1:23:04 PM