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jruby-logo

A JVM polyglot experiment with JRuby

The nice thing about hobby technology projects is that you get to freely explore and learn new things. Sometimes this freedom makes the project go off at a tangent, and it’s in those ...
apache-maven-logo

Maven: Start an external process without blocking your build

Let’s assume that we have to execute a bunch of acceptance tests with a BDD framework like Cucumber as part of a Maven build. Using Maven Failsafe Plugin is not complex. But it ...
play-framework-logo

Call response WebSockets in Play Framework

I got a question from a Play user about implementing call/response WebSockets in Play Framework. This is not something that comes up that often, since it means using WebSockets to do ...
clojure-logo

Clojure macros for beginners

This article will guide you step-by-step (or even character-by-character) through the process of writing macros in Clojure. I will focus on fundamental macro characteristics while explaining ...
akka-logo

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 major rewrite, using Akka actors at the core and ...
scala-logo

Various ways to run Scala code

For running example in this tutorial, make sure that, you have latest Java distribution and Scala distribution installed on your machine and environment variable SCALA_HOME points ...
jetbrains-kotlin-logo

Null safety in Kotlin

Kotlin is a statically typed JVM language developed by Jetbrains. It has some good documentation so today I will focus on a tiny part of it – null safety.There are at least ...
play-framework-logo

Real-time charts with Play Framework and Scala: extreme productivity on JVM for web

Being a hardcore back-end developer, whenever I am thinking about building web application with some UI on JVM platform, I feel scared. And there are reasons for that: having experience ...
clojure-logo

Got my feet wet with Clojure

I started hardcode coding on Project Plugh. I’m working on moving a bunch of Lift concepts over to Clojure as I build Lift’s comet facilities in Clojure so I can stream ...
akka-logo

Typed ask for Akka

Akka is a great tool for writing distributed applications. One thing that always surprised me though is that while being based on Scala, which is a very type-safe language, the elementary ...
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