StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Answers and rating deltas for

why will I get a "TypeError: object of type 'NoneType' has no len()"?

Author Votes Δ
wpercy 2 0.00
Last visited: Jan 23, 2018, 8:29:24 AM