What does the : mean in rails before a variable name?
For example, :symbol - I'm trying to work out what the : means, and how it differs, say, for example, from @ and also from no symbol whatsoever.

If there's a guide that would be really helpful!

Thanks!
Chris.
What does the : mean in rails before a variable name?
===

For example, :symbol - I'm trying to work out what the : means, and how it differs, say, for example, from @ and also from no symbol whatsoever.

If there's a guide that would be really helpful!

Thanks!
Chris.