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Testing Java EE 6 with Arquillian (incl. JPA, EJB, Bean Validation and CDI)

For a very long time, I heard quite a lot of people saying good things about Arquillian. Whilst I have been reading articles around its use, I couldn’t really find one that covers some of the aspects that I find important, all i ...
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A clean approach to Wicket models

One of the core concepts of Apache Wicket web framework is the model and IModel as its programming interface. Wicket components rely heavily on models, which makes them important pieces of the architecture. Apache Wicket is st ...
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Reasons to consider spring-boot for your next Spring based application!

Spring-boot  provides a quick way to create a Spring based application. There are some very compelling reasons to consider spring-boot for your next project: Reason 1 : Simpler Dependency management using spring-boot starter proj ...
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Batch Writing, and Dynamic vs Parametrized SQL, how well does your database perform?

One of the most effective database optimizations is batch writing. Batch writing is supported by most modern databases and part of the JDBC standard and is supported by most JPA providers. Normal database access consists of sendin ...
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Java 7 vs Groovy 2.1 Performance Comparison

I haven’t used Groovy for 2 years, since my last touch with Grails. I get stuck in (hard)core Enterprise Java, with some performance aspects in background. I’ve almost missed a chance to learn Spock, but fortunately Wa ...
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Android Geofencing with Google Maps

A geofence is a virtual perimeter of interest that can be set up to fire notifications when it is entered or exited, or both. For example, a geofencing app can alert us that our kid has left a previously specified area, or send us ...
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Spring Interview Questions

1) What is Spring? Answer: Spring is a lightweight inversion of control and aspect-oriented container framework. 2) Explain Spring? Answer:  Lightweight : Spring is lightweight when it comes to size and transparency. The ...
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A Few Tips for Beginning Android Development

Here are some tips from my personal experience so far with Android development. The number of tips is actually ten, so I could have called this “Ten Tips for Android Development“, but I figured there were already enough artic ...
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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 a rich toolset for all kind of concurrent ta ...
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Creating a Google TV Sliding Navigation Menu

The standard design pattern for Google TV apps is generally to use the LeftNavBar library. Unfortunately there isn’t an apklib and it isn’t included as a google tv addon library, so one has to compile and work with the library ...
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