Ruby on Rails

On 7 May 2017 at 00:27,  <butsan...@gmail.com> wrote:
> I have 2 warnings before output. What is the problem?
>
> Hello = "Hello, guys!"
> Hello2 = nil
> Hello2 = Hello
> puts Hello2
> puts Hello
>
>
> OUTPUT________________
> Variables.rb:7: warning: already initialized constant Hello2
> Variables.rb:5: warning: previous definition of Hello2 was here

Variables that begin with a capital letter are assumed by ruby to be
constants, so you get a warning if you try to change the value.  Using
Rails it best to stick to the conventions, so variable names are of
the form name, another_name and so on.

Colin