JRuby is regarded as the most stable and efficient implementation of Ruby. Running JRuby on top of Google App Engine for Java gives access to many interesting possibilities, including running Rails on top of Google’s infrastructure. Exactly how to make this happen is not totally apparent, though, and there are several gotchas involved in the process. This presentation will introduce the pieces of JRuby needed to get everything working, what kind of customizations are needed, what you might need to avoid in Ruby to avoid getting in trouble with App …

Microsoft has delivered multiple technologies that focus on interoperability with non-Microsoft and Open Source technologies. In this video you will learn how to use the Eclipse tools today to build Silverlight applications that run on PCs and Macs, how to develop using combinations of Java, Ruby and PHP in addition to the standard Microsoft languages, and how Microsoft’s commitment to openness with the Azure Services Platform and the use of claims-based identity supports heterogeneous identity systems.

In this presentation from the JVM Languages Summit 2008, Charles Nutter discusses bringing JRuby to the JVM, why Ruby is hard to implement, JIT compilation, precompilation, core Ruby implementation, Java library method access, method call semantics, scopes, open classes, heap-based frames, library challenges, strings, regexps, I/O, green threads, POSIX features, C lib support and future plans.
http://www.infoq.com/presentations/nutter-jruby-jvm-lang-summit

Ola Bini is a Swedish developer currently working for ThoughtWorks in Stockholm, Sweden. He has been one of the core developers for JRuby since 2006 and is the author of the APress book Practical JRuby on Rails. He has much experience with Java, Ruby and LISP, and has been involved with several other open source projects – but nowadays JRuby takes most of his time.  JRuby is quickly becoming the default solution for using Ruby in the enterprise. The tight integration with Java technology, together with the outstanding libraries and …

Nick Sieger talks about the future of JRuby, Java Integration, and his work on JEE deployment tools for Ruby on Rails like Warbler.

Nick Sieger is a staff engineer at Sun Microsystems where he has been working on a team building a large JRuby on Rails application. He is a member of the JRuby core team, leading the effort to improve Rails deployment in a Java environment.
Watch this video on Infoq.com

Learn what JRuby is and how Ruby and JRuby will improve your Java world
http://rubyconf2007.confreaks.com/d2t1p2_jruby.html

Frank Cohen will demonstrate the new PushToTest TestMaker Version 5 open- source end-to-end service governance and test automation tool. Software developers use PushToTest to turn their unit tests into functional tests in a test automation platform that runs on their development machine. Frank will demonstrate PushToTest’s Wizards and Recorders to automatically build tests and supports a variety of languages, including Java, .NET, Jython, Groovy, PHP, Ruby, and many others. Plus Frank will show how PushToTest Version 5 supports SOA, Web Service, AJAX, and REST services using HTTP, HTTPS, SOAP, XML- …