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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, starting off with one basic question th ...
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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, I figured I’d take a page from Brian Dunning ...
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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 is of course using the Scala programming langua ...
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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 of the major sources of confusion with regard to ...
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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 really neat things, including one way of creati ...
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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 Java) and the compiler checking that I have come ...
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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, and it’s core is programmed in Scala, so i ...
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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 type, to balance the load across the cluster. ...
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First steps into Scala

For over a full year now, I’ve been looking into Scala. I have heard many people talk about it passionately and it just got me interested. Also a lot of big companies are investing in this new language. I just figured I had to c ...
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Scala for 2012? Deciding Whether to Invest In a Programming Language

I have found it both interesting and rewarding to learn a new programming language or major framework on a roughly yearly basis. If forced to self-identify with any single programming language, it would be Java. However, over the ...
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