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Binary websockets with Play 2.0 and Scala

In a recent article I showed how you can use webrtc, canvas and websockets together to create a face detection application whose frontend runs completely in the browser, without the ...
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Play framework 2 quicktip: Scala console

When I first started to play with Scala, I was amazed by the Scala interactive interpreter (also known as REPL, read-evaluate-print-loop). It was one of those things that you never ...
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Student Questions about Scala, Part 2

Preface This is the second post answering questions from students in my course on Applied Text Analysis. You can see the first one here. This post generally covers higher level questions, ...
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Student Questions about Scala, Part 1

Preface I’m currently teaching a course on Applied Text Analysis and am using Scala as the programming language taught and used in the course. Rather than creating more tutorials, ...
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Apache Camel – A little Scala DSL example

So we have a Scala DSL in Apache Camel for many years now, and I guess its about time I wrote a little blog entry about this (has been on my todo list for a while). So the Scala DSL ...
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Variations for computing results from sequences in Scala

Introduction A common question from students who are new to Scala is: What is the difference between using the map function on lists, using for expressions and foreach loops? One ...
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Implicit Conversions in Scala

Following on from the previous post on operator overloading I’m going to be looking at Implicit Conversions, and how we can combine them to with operator overloading to do some ...
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Scala: Working with Predicates

I love me some Scala. Actually, since it’s now my day job, I love it all the time. It combines the short, expressiveness that I prized in Python with a rich library base (thanks ...
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First steps with Scala, say goodbye to bash scripts…

Those who know me are aware that I’ve been following play framework, and actively taking part of it’s community, for a couple of years. Playframework 2.0 is right around the corner, ...
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Even simpler scalability with Akka through RegistryActor

Let’s imagine, your system is deployed on one node, where you running actors that literally draining out the resources. You want to add some more nodes running actors of the same ...
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