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.
Bobby Warner discusses the pros and cons of the available options that Grails developers have for creating RESTful APIs.
Jeff Scott Brown presents some of the advanced features available in Grails 2 for web application development.
Jeff Scott Brown demoes creating a web application with Grails 2 using the command-line, GORM and Hibernate, GSP, and Spring Integration.
Joshua Suereth designs a scalable distributed search service with Akka and Scala using actors, and covering practical aspects of how to scale out with Akka’s clustering API.
Guillaume Laforge introduces some of the new features in Groovy 2.1: better Invoke Dynamic, DSL-related annotation, grouping annotations, compiler customization.
Jeff Beck discusses 3 ways of dealing with a large number of Grails plug-ins: checked-in plugin directory, inline plugins, and custom repository
Gary Fredericks shows some tricks for getting the most out of Clojure obfuscated code.