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A crash course in Scala types

After many years of Java development, discovering Scala’s type system and related features was something of a departure for me. Suffice to say GADT wasn’t my first four letter ...
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Partial updates in an immutable World

This post was prompted by a conversation with a good friend, who is an experienced Java developer taking their first, tentative, steps towards becoming a Scala programmer. Basically, ...
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Processing JSON in Scala with Jerkson

Introduction The previous tutorial covered basic XML processing in Scala, but as I noted, XML is not the primary choice for data serialization these days. Instead, JSON (JavaScript ...
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Squealer: An Anti-ORM Influenced Scala Tool

I was reading a blog post from Prismatic the other day and it got me thinking about how we, as programmers, have diverged so much from our roots. In the beginning, we designed small ...
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Scala Basic XML processing

Introduction Pretty much everybody knows what XML is: it is a structured, machine-readable text format for representing information that can be easily checked for the “grammaticality” ...
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Publishing Play 2 modules on github

Now you’ve doubtless followed my earlier guides on writing modules for Play 2, I imagine you’re keen to show your coding chops to the world. The problem is – and this is quite ...
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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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