Peter Niederwieser shows how Spock can be used for integration testing of Spring applications, and how combining it with Geb yields a powerful solution for acceptance testing of web applications.
Graeme Rocher shows how one can leverage key technologies from the Groovy and Grails communities to become even more productive with Spring Boot.
Guillaume Laforge presents the latest Groovy 2.3 release with its new features and performance improvements: "traits", new markup-based template engine, new code transformations, and more.
Marius Eriksen explains Twitter's experiences with functional programming (with Scala) @ Twitter: where functional techniques worked and where not. Also: how the Scala language has scaled with Twitter
Daniel Woods discusses Enterprise Operations which is seeing a shift in the management paradigm of infrastructure.
Dean Wampler argues that Spark/Scala is a better data processing engine than MapReduce/Java because tools inspired by mathematics, such as FP, are ideal tools for working with data.
Peter Ledbrook discusses the impact of the Java 8 language changes on Groovy applications and if Groovy still provides an edge in terms of developer productivity.
Jeff Beck describes how Grails fits into a larger polyglot architecture and goes through his team's experiences building and maintaining these micro services.
Cedric Champeau tries to answer the question: "Android developers are used to develop applications in Java, so why Groovy, a JVM language, wouldn't be usable for Android development too?"
Jan Machacek demos creating and using reactive APIs in Scala with Spray and Akka.
Robert Martin argues that Clojure is a replacement for C with its simple syntax and minimal semantics.
Opening Night Keynote from SpringOne 2GX 2014. Topics include Spring IO and Microservices, Groovy 2.3 and 2.4 and Grails 3.0 plans.