Miles Sabin and Edwin Brady exemplify what can be done with a language with dependent types, what are the limitations and what could be done in the future when dependent types reach maturity.
Jeff Scott Brown discusses Groovy’s runtime metaprogramming capabilities and the Meta Object Protocol (MOP).
Dan Woods discusses using Spring Integration and design patterns to implement a message-driven architecture in Grails to allow for better modularity, scalability, and code reusability.
Steve Pember discusses creating Grails applications integrating message broker technologies, especially RabbitMQ, and applying SOA principles.
Philipp Haller introduces Scala Async for asynchronous I/O with Futures and Promises.
Paul King presents working with databases in Groovy, covering datasets, GMongo, Neo4J, raw JDBC, Groovy-SQL, CRUD, Hibernate, caching, Spring Data technologies, etc.
Graeme Rocher presents the latest additions to Grails including a walk through of the features included Grails 2.3 and upcoming in Grails 3.0.
Paco Nathan reviews an example data analysis application written in Cascalog used for a recommender system based on City of Palo Alto Open Data.
Zan Thrash introduces Spock, a Grails testing framework that includes mocking, parameterized tests and an extension API.
Rich Hickey discusses the motivation, design and use of the Clojure core.async library.
Ken Kousen covers the testing options for Grails applications including testing constraints, using mocks, generating test data, the available testing annotations, and more.
Daniel Gregoire introduces Gershwin, a stack-based, concatenative programming language with a Clojure runtime that targets the JVM.