Chad Fowler keynotes on practicing joy as a software developer, starting from his life experiences and concluding that joy is intrinsic while happiness requires discipline.
Paolo Perrotta discusses the difficulties encountered while learning a new and quite different programming language, in his case Clojure, comparing it with Java and Ruby.
Emmanuel Gaillot and Jonathan Perret perform a pair programming parody on stage, showing how not to do it.
Sandro Mancuso runs a hands-on demo adding tests to a Java legacy code then refactoring it.
Michael Feathers keynotes on the history of programming, what brings joy to this activity and why developers like it.