Simon Willison’s Weblog

Dynamic languages on Google App Engine—an overview. Ola Bini’s notes on exploring the new Java support for App Engine with the aim of getting JVM dynamic languages such as JRuby running. Restrictions include a complete lack of threads (which will make it hard to get Scala up and running), but JRuby trunk now works without modification.

# 8th April 2009, 2:08 pm / appengine, google, java, jruby, jvm, olabini

Heap Dump Analysis. Using jmap to dump the JVM’s memory to disk, then analysing it using the visualvm GUI tool.

# 2nd April 2009, 10:34 am / dominicmitchell, heapdump, java, jvm, memory, profiling, visualvm

Python Web Framework on the JVM. An update on both Jython and the Django on Jython project—it looks like Jython 2.5 isn’t that far away.

# 30th January 2008, 2:06 am / django, java, jvm, jython, python

Why Tamarin instead of... Justification for Tamarin in Mozilla over Mono and the JVM. It mainly comes down to license compatibility and overall size.

# 9th August 2007, 12:43 pm / java, john-resig, jvm, mono, mozilla, open-source, tamarin