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groovy-logo

Closures in Groovy

The simpliest explanation of a closure in Groovy is that it is anonymous function.                   def closure = { println "I am a closure" ...
scala-logo

Your build tool is your good friend: what sbt can do for Java developer

I think for developers picking the right build tool is a very important choice. For years I have been sticking to Apache Maven and, honestly, it does the job well enough, even nowadays ...
akka-logo

Three flavours of request-response pattern in Akka

Imagine a simple Akka actor system consisting of two parties: MonitoringActor and NetworkActor. Whenever someone (client) sends CheckHealth to the former one it asks the latter by sending ...
grails-logo

Grails: Using Hibernate Filters

The Grails Hibernate Filters plugin makes it possible to use Hibernate Filters with GORM. Hibernate Filters provide additional restriction rules that can be applied to classes and collections. ...
play-framework-logo

JavaScript routing in Play 2 (Scala edition)

In my previous post, I covered using JavaScript routing in Play 2 Java applications. Here’s the Scala version. It’s pretty much a copy of the previous article, to make it independent. One ...
scala-logo

My Priorities for Scala

What TypeSafe Should be Working On There was a Twitter thread that started off discussing Clojure REPL usage but devolved into a discussion of Scala’s compiler. An Aside Well, ...
groovy-logo

Groovy’s Smooth Operators

Take a trip back to 1984.  Apple release the Macintosh, ’The Final Battle‘ is about to commence in V and Scotland win the Five Nations completing a grand slam in the process. ...
ceylon_logo

The signature of reduce() in Ceylon

The Iterable interface defines a method named fold() with this signature:                         Result fold<Result>(Result ...
grails-logo

Automatically converting password hashes in Grails spring-security-core

I was looking at this Stack Overflow question about converting password hashes and realized that it’s possible and rather convenient when using the spring-security-core plugin to ...
groovy-logo

Searching Subversion Logs with Groovy

There are times when I want to quickly search a Subversion repository by author, by range of revisions, and/or by commit messages. Krzysztof Kotowicz has posted the blog post Grep Subversion ...
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