Jessica McKellar introduces Twisted, a Python event-driven networking engine, and explaining several design concepts used: deferred API, transport/protocol separation, and plug-in infrastructure.
Jim Weirich attempts to lure developers to use Ruby for their daily programming tasks.
Charlie Hunt presents the fundamentals of JVM tuning and provides advice for developers on writing a Java application that performs well at runtime.
Howard Lewis Ship overviews Spock, a testing framework for the JVM.
Claudia Perlich keynotes on M6D’s approach to Big Data, using data granularity to build predictive models used for user targeting, bid optimization and fraud detection.