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Remote actors – discovering Akka

Assume our test application became a huge success and slowly a single server is not capable of handling growing traffic. We are faced with two choices: replacing our server with a better ...
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Iteratees for imperative programmers

When I first heard the word iteratee, I thought it was a joke. Turns out, it wasn’t a joke, in fact there are also enumerators (that’s ok) and enumeratees (you’re ...
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Benchmarking Scala against Java

A question recently came up at work about benchmarks between Java and Scala. Maybe you came across my blog post because you too are wanting to know which is faster, Java or Scala. Well ...
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become/unbecome – discovering Akka

Sometimes our actor needs to react differently based on its internal state. Typically receiving some specific message causes the state transition which, in turns, changes the way subsequent ...
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Request and response – discovering Akka

In the previous part we implemented our first actor and sent message to it. Unfortunately actor was incapable of returning any result of processing this message, which rendered him ...
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Your first message – discovering Akka

Akka is a platform (framework?) inspired by Erlang, promising easier development of scalable, multi-threaded and safe applications. While in most of the popular languages concurrency ...
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Testing Quartz Cron expressions

Declaring complex Cron expressions is still giving me some headaches, especially when some more advanced constructs are used. After all, can you tell when the following trigger will ...
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JavaOne 2012: Scala Tricks

The first session I attended after lunch was Venkat Subramaniam‘s ‘Scala Tricks,’ held in the Hilton Golden Gate 3/4/5 conference room area. This is the first session ...
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JavaOne 2012: What’s New in Scala 2.10

After getting lunch, I went to Hilton Golden Gate 6/7/8 to see Martin Odersky‘s (Typesafe) presentation ‘What’s New in Scala 2.10.’ It is always an opportunity to ...
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Getting started with Scala and Scalatra – Part IV

Welcome to the last part of this series of tutorials on scala and scalatra. In this part we’ll look at how you can use Akka to handle your requests using an asynchronous dispatcher, ...
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