Deepak Giridharagopal discusses "immutable infrastructure", PuppetDB and complex invariants, PuppetDB’s architecture, the experience of bringing Clojure to a Ruby shop and lessons learned from that.
Robert Smallshire explores the disconnect between the dire outcomes predicted by advocates of static typing versus the near absence of type errors in real world systems built with dynamic languages.
Matt Debergalis highlights some of Meteor's components, showing how they work together to dramatically shorten the development cycle, whether you're a team of expert developers or just getting started.
Paul Gross explains how Braintree deals with high availability for their Ruby application.
Baruch Sadogursky discusses creating DSLs which support plugins written both in Groovy or Java, addressing good public API design practices, security, and classpath isolation.
David Leibs unveils some of features of Mathematica Programming Language, a functional and dynamically typed programming language.
Ramnivas Laddad and Arjen Poutsma discuss the Spring Scala project and its features, demoing a real REST-based application with a Spring and Scala backend and AngularJS frontend.
Andrey Cheptsov explores some of the IntelliJ IDEA’s tricky features helping Groovy&Grails developers to be more productive.
Bobby Warner discusses the features available in Grails 2.3 to build RESTful APIs.