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Future Composition with Scala and Akka

Scala is functional and object-oriented language, which runs on the JVM. For concurrent and/or parallel programming it is a suitable choice along with the Akka framework, which provides ...
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A practical solution to the BREACH vulnerability

Two weeks ago CERT released an advisory for a new vulnerability called BREACH. In the advisory they say there is no practical solution to this vulnerability. I believe that I’ve ...
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Grails – GORM Tutorial

Grails is known as domain driven language that means we can build application using bottom to top approach which is more nearer to object oriented programming. GORM (Grail Object Relational ...
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SOA and REST with Grails

I discussed on my previous article about REST and how to leverage RESTful web services on Grails platform. We will further discuss Grails on SOA & REST and try to visualize architecture ...
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Converting Grails Applications to Plugins and vice versa

I was in London last week on vacation with my family and was lucky that there was a London GGUG meetup during my visit. David Dawson discussed modularizing Grails applications by refactoring ...
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Groovy Sql and Oracle ‘Invalid column index’ SQLException

There are some minor potential dangers associated with Groovy’s def keyword. The Groovy style and language feature guidelines for Java developers provides some warnings about ...
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Escaping XML with Groovy 2.1

When posting source code to my blog, I often need to convert less than signs (<), and greater than signs (>) to their respective entity references so that they are not confused ...
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Managing congested actors in Akka

There comes a time in an Akka application when an actor can longer handle increasing load. Since each actor can only handle one message at a time and it keeps a backlog of pending messages ...
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Enhanced Groovy-based JAR/Manifest Diff Tool

This brief blog post provides another Groovy script that provides simple differencing of two JAR (or WAR or EAR) files and their MANIFEST.MF files. It represents a combination of the ...
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Fake system clock pattern in Scala with implicit parameters

Fake system clock is a design pattern addressing testability issues of programs heavily relying on system time. If business logic flow depends on current system time, testing various ...
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