Baruch Sadogursky and Fred Simon explain how to write AST transformations.
Marco Vermeulen discusses doing Behaviour Driven Development with Cucumber, Groovy and Grails.
Ken Kousen demonstrates the RESTful features in Grails and shows how to take advantage of them with annotations, controllers, renderers and more.
Chris Latimer discusses how to develop APIs ready for public consumption with Grails.
Lari Hotari discusses Grails 3's concept of application profiles for choosing a certain set of core plugins to use.
Lari Hotari discusses how to optimize Grails' performance to get full benefits from it.
Jeff Scott Brown discusses the metaprogramming capabilities offered by Groovy, providing everything that developers needs to build systems that are far more capable than their all Java counterparts.
Bobby Warner discusses mobile automation and dives into the iOS and Android functional testing world using Groovy, Spock and Gradle.
Grails project lead Graeme Rocher demonstrates some less known, advanced features of GORM and explores the possibilities offered going beyond the relational database.
Jeff Scott Brown introduces GORM, a super powerful ORM tool that makes ORM simple by leveraging the flexibility and expressiveness of a dynamic language like Groovy.
Ken Kousen examines features of Groovy that can make life easier when going beyond the initial adoption stage.