Jruby Polyglot Heaven

on YouTube ↗41m

" summary

JRuby runs JVM languages side by side and shows concrete results: Ruby 1.9 support is about 80–90% complete, the repo has 14,500+ commits and a 165 release approaching, and Maven jars install via mvn:groupId:artifactId making hundreds of thousands of JVM libs available as gems. Demos include Neo4j working from a gem, Rhino JavaScript with instruction-count sandboxing (demo trips at ~1,000 instructions after seven prints), Clojure persistent collections and STM used from Ruby, Akka actors via a Scala wrapper, Mirah for JVM-speed code, and transactional instance variables.

AI-written summary · about

" chapters (14)

1. 0:00Intro
2. 0:56Ten Years of JRuby!
3. 3:57Engine Yard Cloud
4. 5:29Easiest Install Evar!
5. 7:24Big Happy JVM Family
6. 8:13Common GC
7. 10:42Ruby and Clojure
8. 11:29Java limitation is a design virtue
9. 18:02Untrusted Server-Side JavaScript
10. 18:42Rhino FTW
11. 22:31Persistent?
12. 27:51Scala
13. 28:45Demo Code
14. 33:54Mirah

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