StackRating

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

SWIFT: Why do we have to put exclamation point for: str.characters.index(of: " ")!

Author Votes Δ
tktsubota 0 0.00
Last visited: Dec 30, 2016, 1:19:15 PM