StackRating
An Elo-based rating system for Stack Overflow
Home
|
About
|
Stats and Analysis
|
Get a Badge
Answers and rating deltas for
rails 4 - undefined method `group_by' for nil:NilClass
Author
Votes
Δ
vich
1
+0.51
SHS
1
-0.51
Last visited: Apr 28, 2015, 9:28:48 PM