I'm back in Madrid again after the RailsConf and I think it's time to say something about it. :) First off, the infrastructure provided by the conference was really great. The rooms, WiFi connection, food... Really well organized. Now to the sessions, highlights: Tutorials (Tuesday) - Meta-programming Ruby for fun and profit (Neal Ford, Patrick Farley) The old and good techniques that made Ruby so powerful. Here Neal and Patrick walked us through the main tricks to meta programming like open classes - and conditionally open them - , dynamically define methods, sending messages to objects and how Ruby can help test your Java code in a much easier way.