Dean Wampler argues that Spark/Scala is a better data processing engine than MapReduce/Java because tools inspired by mathematics, such as FP, are ideal tools for working with data.
Jan Machacek demos creating and using reactive APIs in Scala with Spray and Akka.
Jessica Kerr explains through Java and C# code samples six principles of the functional programming style.
Adam Ernst shows how his team at Facebook encountered spiraling complexities and declining reliability and decided to make the shift to functional, in the data model and the view layer of News Feed.
Ryan Cromwell introduces Elixir, a , functional distributed meta programming language inspired by Ruby and compiling to Erlang VM, covering pattern matching, pipelines and tail-call recursion.
Stephen Chin shows how to use lambda in Java to create a video game with JavaFX. Other features covered are: enhanced collections, functional interfaces, simplified event handlers, and the stream API.
David Nolen introduces Om, a ClojureScript library that adds a functional layer on top of Facebook React, providing OO abstractions in a MVC environment.
Mario Aquino discusses the structure and organization of Clojure's Lisp syntax as well as special forms in the language for declaring data structures.
Torben Hoffmann shares a number of patterns from Erlang systems, modeled through Object-Process Methodology, discussing their impact on business needs.
Rick Reed shares scalability and reliability insights, techniques, and hacks used and learned developing WhatsApp on an Erlang/FreeBSD infrastructure.
Jane Street runs a large trading business on software written almost entirely in OCaml, a statically typed functional language. Yaron Minsky shows the reasons for choosing Ocaml and how it worked out.
Kresten Krab Thorup introduces Erjang, an Erlang VM based on the JVM, disclosing some of its internal workings and challenges building it.