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Enterprise Java
Permissions in OSGi
In a previous post, we looked at implementing a sandbox for Java applications in which we can securely run mobile…
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Enterprise Java
Using Jasper Reports to create reports in Java
Last week I was trying to create a report using Jasper. In this post I will document some of the…
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Scala
Parallelization of a simple use case explained
Some time ago a friend of mine asked me about the possibilities of speeding up the following process: they are…
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Enterprise Java
MyBatis Tutorial – CRUD Operations and Mapping Relationships – Part 2
To illustrate we are considering the following sample domain model: There will be Users and each User may have a…
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Scala
Scaling Scala vs Java
In my previous post I showed how it makes no sense to benchmark Scala against Java, and concluded by saying…
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Core Java
Google Guava – Synchronization with Monitor
The Google Guava project is a collection of libraries that every Java developer should become familiar with. The Guava libraries…
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Core Java
Java Intrinsics and Performance
The original question was How to count the number of 1’s a number will have in binary? I included a…
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Scala
Non-blocking I/O – discovering Akka
Here comes the time to follow some good practices when implementing actors. One of the most important rules we should…
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Scala
Two actors – discovering Akka
Hope you are having fun so far, but our application has serious performance defect. After measuring response times of the…
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