Figure I’d through this out there to get some input from the
community …
I’m going to be doing a JRuby on Rails presentation for the AOL Rails
group down in Dulles, VA next month at the AOL campus. I’m planning on
doing a quick comparison between JRuby and MRI, deployment with
Warbler, and demoing the web app I created that Charlie used for The
Script Bowl at JavaOne.
I’d appreciate any thoughts, suggestions, or comments people have
about what people have responded to well at previous JRuby
presentations. Also would like any opinions about what you think JRuby
does better than standard MRI Rails deployments.
– Larry
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For a Java audience the metaprogramming features of ruby, opening up a
Swing
class and adding nicer methods to it on the fly, really blow’s peoples
minds. For a Ruby audience, I got some nice oohs and ahhs from running
some
benchmark scripts (I think I used quicksort last time) on MRI and then
on
JRuby and seeing a 5x performance boost. Some simple examples of using
Java
libraries in Ruby might also go over well. And of course, steal… err…
borrow freely from the talks section on the wiki. Charles and the core
team
have tons of great presentation slides and I’ve sent in a couple of mine
as
well.
–Chris
Larry -
I don’t have any suggestions, but I live in the area (Reston), and would
like to know if your meetings are open to the public. As you probably
know, there is a vibrant Ruby and Rails community in the Dulles
Corridor, and the rest of the metro area. There are user groups in
Reston, DC, Baltimore, Charlottesville, and Harrisonburg. I’d love to
have access to another if it’s public.
Thanks,
Keith
Larry M. wrote:
about what people have responded to well at previous JRuby
–
Keith R. Bennett
Senior Software Developer
Web: http://www.bbsinc.biz
LinkedIn: http://www.linkedin.com/in/keithrbennett
Blog: http://keithrbennett.wordpress.com
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Throw in some stuff about Ruby itself rather than focusing exclusively
on Ruby on Rails. I think it is pretty easy to understand the value
of Rails, but to not understand the value of Ruby when Ruby is only
shown in the light of RoR. Rails has lots of magic and sometimes I
think it hides the fact that a great language is behind it.
The swing demo in irb always gets ooohs and aaahs from the general
Java community. I think seeing stuff they think of as
write/compile/run/debug in an interactive mode really gives people
ideas…
Demonstrating some simple but powerful Ruby idioms w/ Ruby features
also usually is good:
File.open(file, “r”) do |file|
…
end
(look mom no try/catch; No worrying about whether you remembered to
close the open file before a new early return)
Contrast against same code in Java.
-Tom
On Sun, Jun 22, 2008 at 6:32 PM, Larry M. [email protected]
wrote:
Rails deployments.
– Larry
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–
Blog: http://www.bloglines.com/blog/ThomasEEnebo
Email: [email protected] , [email protected]
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I generally talk about green threads vs native threads, jndi connection
pools and the nice possibility to share objects between jruby instances
(caches, httpsession, …)
Good luck!
On Mon, Jun 23, 2008 at 12:36 AM, Keith R. Bennett [email protected]
wrote:
Keith
JavaOne.
Blog: http://keithrbennett.wordpress.com
–
Fabio K.
Caelum - Ensino e Soluções em Computação
http://www.caelum.com.br