From: Eric Christopherson <echristopherson@...>
Date: 2012-12-16T00:26:35+09:00
Subject: Re: Ruby quick reference arranged in ASCII sequence?

On Sat, Dec 15, 2012 at 7:00 AM, Old Grantonian <lists@ruby-forum.com> wrote:
> As a ruby beginner, I would be grateful for any links to a ruby
> reference that is arranged in ASCII sequence.
[...]
> For this line, I would like to find a reference that explains the
> following items in ASCII sequence:
>
> ?
> ==
> %s
> :
> \
> printf
>
> Probably all of these items would be explained in a good tutorial, but
> it might take hours to find them.

You might try http://symbolhound.com to search for non-alphanumeric
things like those, along with the word Ruby to narrow things down.