Keith Adams shares HHVM insights showing how a system can become very performant if it is well tuned.
Philipp Haller introduces Scala Async for asynchronous I/O with Futures and Promises.
Thomas Herrmann discusses the advantages, challenges and lessons learned in building a multimedia-heavy, interactive HTML5 application with Ember.js.
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.
Mike Falanga shows several C# and F# solutions to common programming problems, comparing how well each language enhances the ability to draw accurate conclusions about the code.
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.