JVM Languages
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Dependency injection: syntax sugar over function composition
Quoting Dependency Injection Demystified: “Dependency Injection” is a 25-dollar term for a 5-cent concept. *James Shore, 22 Mar, 2006 Dependency…
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New Releases with a Better Kotlin API, Dataflow for Clojure and Faster Web Actors
Today we have released minor updates to Quasar, Pulsar and Comsat. The releases contain bug fixes, and some new features…
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Refactoring with Kleisli Composition
For quite awhile we have been maintaining an application that processes XML and JSON data. Usually the maintenance consists of…
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Divided We Win: an event sourcing / CQRS prospective on write and read models separation. Commands and Events.
In today’s post we are going to unveil some very interesting (in my opinion) architecture styles: event sourcing and command…
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Easy validation in Scala using Scalaz, Readers and ValidationNel
I’m working on a new book for Packt which shows how you can use various Scala frameworks to create REST…
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How to build a symbol solver for Java, in Clojure
Last week we have seen how to build models of Java code from source and JAR files. Now we want…
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Making Spring Batch Groovy
Here at Keyhole, we are very fond of Spring Batch. In many Java Enterprise environments, there is still a big…
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The Top 100 Scala Libraries in 2015 – Based on 64,562 GitHub Libraries
What are the top libraries used by some of the most popular Scala projects on GitHub? Based on analyzing 64,562…
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Why build your own type system?
In Ceylon 1.2 we’ve factored out the type system of Ceylon as an independent module, with minimal dependencies and a…
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