My Ruby Notes
[This post will be my Ruby Notes which i will keep updating. It is more like a personal Ruby manual.]
Numbers:
[sourcecode language="ruby"]
population = 12_000_000_000
# means the same thing as
population = 12000000000
[/sourcecode]
Variables:
begins with a small letter => normal variable
begins with a capital letter => Constant
begins with a $ => Global Variable
begins with a : (colon) e.g. :a => Symbol
begins with an @ => Instance Variable
begins with an @@ => Class Variable
in between two |'s e.g. |x| => Block arguments