Paolo Perrotta discusses the difficulties encountered while learning a new and quite different programming language, in his case Clojure, comparing it with Java and Ruby.
Gareth Rushgrove overviews Ruby on Rails and Django: object caches, fragment and HTTP caching, asset compilation, profiling, log file measurement and framework hooks for instrumentation.
Robert Pitts presents tools and techniques for using Ruby in an Object-Functional style, along with the pros and cons of such an approach.
Jamie Wright introduces some of the tools, libraries, and methods used to build a SaaS system in Ruby on Rails.
Phil Toland discusses using Erlang and Ruby providing backup for 20k network devices running in 8 datacenters across 3 continents for Rackspace’s operations.
Tyler Jennings presents how he ended up choosing Clojure, how he is using a Ruby tool-chain in Clojure, plus advice on introducing Clojure to a team.
Allen Rohner discusses the benefits and the problems of mixing Clojure and JRuby running them in the same process, making some recommendations at the end.
Mark Rendle introduces the basic services offered by Windows Azure along with examples of various platform choices that can be used: RavenDB, ASP.NET MVC, Node.js + Express, MongoDB, Sinatra, etc.
Brian Ketelsen introduces Skynet, a platform for polyglot, distributed and composable services that communicate with each other over RPC/JSON.
Jesper Richter-Reichhelm shares the lessons learned while scaling their game platforms to handle millions of users, each game being built by small teams of two developers without dedicated ops.
Yoko Harada introduces RedBridge, aka JRuby Embed, a Java API for calling JRuby code that is treated as regular Java objects, explaining its relation to JSR223 and demoing how to use it.
John Davies examines Visa’s architecture and shows how enterprises have architected complex integrations incorporating Hadoop, memcached, Ruby on Rails, and others to deliver innovative solutions.