Olivier Chafik discusses how to make a practical use of reified trees in Scala, with two applications: run-time (re)compilation for extreme speed, and conversion to another language (OpenCL).
Sadek Drobi introduces the Play Framework for developers interested in doing web programming in a functional language.
Sam Aaron explores the idea of using programming languages, especially functional ones, to share ideas with other people, to have conversations, to support artistic practices, etc.
Age Mooij shares some tips&tricks for the Scala developer: type aliases, type and class tag, auto-lifted partial functions, nostacktrace, type classes, context bounds, low priority default implicits.
Jamie Allen reviews some of the actor patterns as implemented in Akka and Scala.
Jamie Allen describes three patterns using Akka actors: handling a lack of guaranteed delivery, distributing tasks to worker actors and implementing distributed workers in an Akka cluster.
Tijs van der Storm discusses object algebras as a solution to the expression problem – the inability to extend functional programming languages.
Renzo Borgatti discusses implementing parallel solutions with reducers in Clojure, doing live coding that show what functional abstractions are involved and why.
Robert Virding describes how Erlang was developed to solve the concurrency and reliability requirements of telecommunications, dealing with challenges that are similar with those of cloud computing.
Torben Hoffmann discusses doing parallel programming with the Intensional Computing Engine (ICE) on top of the Erlang VM.
Erik Hinton discusses the successes and failures of making a cultural shift in the newsroom at NYT to accept Haskell and some of the projects Haskell has been used for.
Tim Williams describes one of the world's largest commercial Haskell deployments (Barclays) and shares some experiences and insights gained using Haskell to build domain specific languages.