Ulf Wiger explains the origins of some of Erlang's core principles and how they're even more relevant today. Also: a look at the strengths of Erlang, Clojure and Haskell.
Kresten Krab Thorup talks about the Erjang project and explains the challenges of bringing Erlang to the JVM, using Kilim for lightweight processes, the implementation of tail recursion and much more.
Chris Wanstrath discusses the state of GitHub's architecture, how GitHub is used and its impact on open source collaboration.
Ilya Grigorik discusses his company's PostRank algorithm for tracking reader engagement with content. Also: his experience scaling MySQL, Tokyo Cabinet, Ruby HTTP libs, Solr, Amazon EC2 and more.
In this interview taped at QCon London 2009, Rich Hickey talks about all things Clojure: Software Transactional Memory, concurrency, persistent data structures, ports, AOT compilation, and more.
In this interview from QCon San Francisco 2008, Joseph Molnar discusses scanR, choosing .Net for scanR, the architecture of scanR, working with mobile carriers, scaling, challenges which were encountered, .Net components and libraries used, major problems encountered and their solutions, managing scanR, and what would be done differently if scanR was rewritten from scratch.
In this interview filmed at RubyFringe 2008, Tom Preston-Werner talks about how both Powerset and GitHub use Ruby and Erlang, as well as tools like Fuzed, god, and more.
In this interview, Avi Bryant talks about working on GemStone's MagLev, a Ruby implementation built on the GemStone S64 VM. Avi explains the reasons for MagLev, the merits of GemStone's persistence and distribution features, and the future with multiple Ruby implementations.