“The fact is that everyone has scalability issues, no one can deal with their service going from zero to a few million users without revisiting almost every aspect of their design and architecture.” Quoted from : http://37signals.com/svn/archives2/dont_scale_99999_uptime_is_for_walmart.php

As a late Christmas present I bring this to you dear readers: I recently invited David Pollak (of Lift fame), Jason Zaugg (of Scalaz fame), Philipp Haller (of Scala Actors fame) and myself to collaborate on a feature matrix that would allow people to see the similarities and differences between the Actor libraries on the Scala platform. So I’d like to start out by thanking David, Jason, Runar, Jonas, Philipp, Martin and all the people involved in these great projects for taking the time to fill out the mat[...]

I’ve got some ideas for conference/group talks that I have yet to assemble, but I thought I’d let the community have a vote in what they’d think be interesting. Proposal 1: Git things done Approx time: 45 minutes “This is a case-study on moving from CVS/SVN to Git I did at a previous employer. It’s about the challenges faced - cultural problems, technical problems, process problems and touches areas like: Code reviews, agile&lean (Scrum/Kanban), pragmatisism and corporate politics.” Proposal 2: The Ka[...]

A fairly nice technique to speed up update- times in SBT is by using ModuleConfigurations. A ModuleConfiguration can be viewed as a filter on top of a repository, saying: “Only look in the repository if the artifact you’re looking for has the following group id.” Pattern: class MyProject(info: ProjectInfo) extends DefaultProject(info) { object Repositories {   //Add repositories here, they won’t be used for artifact lookup since they’re inside the object   lazy val ScalaToolsRepo = MavenRepository(“Scala [...]

Have you’ve ever had the problem that you need to publish some Jars where your colleagues need to find them, but they are your secret web-scale sauce Jars and no one on the outside should be able to see them? And you don’t get any permission to put the jars on a network share, and you’re not worthy of your own build server, says mr Infrastructure Manager? And you happen to be using SBT? There’s this wonderful service out there called Dropbox which is a small “cloud” storage solution that gives you a stash [...]