KnowledgeHub
Questions
Tags
Users
Search
Alex Rivera
|
Logout
Edit Question
Title
Body
In Ruby some methods have a question mark ( ? ) that ask a question like include? that ask if the object in question is included, this then returns a true/false. But why do some methods have exclamation marks ( ! ) where others don't? What does it mean?
Tags (comma-separated)
Save Edits
Cancel