In this RubyFringe talk, Reginald Braithwaite writes Ruby code to read, write, and rewrite Ruby. Demos include extending Ruby with conditional expressions, call-by-name and more.
Cliff Click discusses how to optimize generated bytecode for running on the JVM. Click analyzes and reports on several JVM languages and shows several places where they could increase performance.
Creating secure code requires more than just good intentions. Static source code analysis can be used to uncover the kinds of errors that lead directly to vulnerabilities. Brian Chess shows you how.