Big data: when single node is better than clustered

There’s a lot of hype about “big data” and a general trend to try to apply Hadoop to almost every…

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Using Scala traits as modules, or the “Thin Cake” Pattern

I would like to describe a pure-Scala approach to modularity that we are successfully using in a couple of our…

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Using JavaCV with Scala and SBT

Recently I’ve been doing some simple face detection in a Scala-based project. The “industry standard” for such kind of tasks…

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How do iBeacons work?

iBeacons are certainly a trending topic recently. They allow indoor positioning, letting your phone know that you are in range…

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Amazon Elastic Map Reduce to compute recommendations with Apache Mahout

Apache Mahout is a “scalable machine learning library” which, among others, contains implementations of various single-node and distributed recommendation algorithms.…

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Creating an on-line recommender system with Apache Mahout

Recently we’ve been implementing a recommender system for Yap.TV: you can see it in action after installing the app and…

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Automatic generation of delegate methods with Macro Annotations

Macro Annotations are a new type of macros, which are one of the candidates for inclusion (see also comment by…

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Akka vs Storm

I was recently working a bit with Twitter’s Storm, and it got me wondering, how does it compare to another…

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ElasticMQ 0.7.0: long polling, non-blocking implementation using Akka and Spray

ElasticMQ 0.7.0, a message queueing system with an actor-based Scala and Amazon SQS-compatible interfaces, was just released. It is a…

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