Clojure, JRuby on Rails, and you

At circleci.com, we're running clojure and jruby on rails in the same process. We wrote ____, (soon to be released) a library for calling jruby from clojure, and vice versa. We'll cover

Calling JRuby from Clojure
Calling Clojure from JRuby
Using the Clojure REPL to speed up Rails development
Starting multiple ruby runtimes inside the same JVM to speed up testing
Time permitting, we can also talk about testing and continuous deployment at CircleCI, a Continuous Integration SaaS written in Clojure.