Geoff Reedy informs on the current status of a LLVM backend for the Scala compiler project he’s working on, detailing on its design and implementation.
Jan Machacek introduces writing Scala applications to Spring developers, demoing using Akka actors with mix-in composition, higher-order functions, higher-order kinds, and REST API.
Jonas Bonér explains solving scalability issues, including adaptive automatic load-balancing, cluster rebalancing, replication and partitioning, with Akka 2.
Amanda Laucher and Paul Snively debate solving problems through types and tests using different approaches.
Graham Tackley shares the lessons learned running The Guardian website on Java, and why they decided to switch to Scala and how it helps them.
Sadek Drobi presents the architecture of the Play2 framework, a framework helping developers creating web applications in Java and Scala.
Peter Van Roy discusses solving concurrency issues with deterministic concurrency using Ozma, an extension of the Scala language employing the Oz deterministic dataflow concepts.
Bruce Eckel emphasizes using different languages within a project, each one for the task it is better fitted for, and giving several such examples: Python+Scala, Go+Python, Python+CoffeeScript.
Guillaume Bort and Sadek Drobi introduce Play, a Java and Scala web development framework, insisting on its asynchronous reactive capabilities built on Iteratee IO.
Cliff Moon discusses Scalang, a message passing and actor library enabling easy communication between Scala and Erlang apps, wrapping services in Scalang actors.
Graham Tackley discusses how The Guardian switched all new development from Java to Scala, why they did that, what were the benefits and the problems, and why they did not choose Python+Django.