From: Tim Hunter <TimHunter@...>
Date: 2007-10-05T10:04:05+09:00
Subject: Re: [n00b] Need a good reference for var-types/string-esc, etc.

Olie D. wrote:
> One of the problems with Ruby being so popular is that any google search
> with "Ruby tutorial" or similar turns up about 8-bazillion pages, and
> they all want you to dive right in to see how easy everything is.
> 
> ...Which is really cool -- BUT!
> 
> I'm having trouble groking the difference between foo, @foo, :foo,
> #{foo}, [foo] {:#[foo]} (ok, I made that one up), etc.  About the only
> one I feel like I understand is $foo -- but how often am I going to use
> *THAT*?!  (Hint: very-nearly "never.")
> 
> (Heh.  $ means "global", right?  I haven't used a global var in the most
> recent 15 yrs of programming...)
> 
> (Ok, and I sort-of get :foo, but not well enough to describe it, which
> means "not really.")
> 
> So, anyway... don't TELL me the difference (well, you can if you want)
> -- what I'm REALLY asking is: what is a good reference that describes
> all of these things, and how they're different?
> 
> Thanks!

Dave Thomas' _Programming_Ruby_ is the canonical Ruby reference.

http://www.pragmaticprogrammer.com/titles/ruby/index.html

-- 
RMagick OS X Installer [http://rubyforge.org/projects/rmagick/]
RMagick Hints & Tips [http://rubyforge.org/forum/forum.php?forum_id=1618]
RMagick Installation FAQ [http://rmagick.rubyforge.org/install-faq.html]