Archive for March, 2010

Effective Coding with IntelliJ IDEA

At our recent Java User Group Munich (JUGM) meeting, Vaclav Pech from JetBrains has demonstrated his company’s powerful Java/Groovy/Web IDE IntelliJ IDEA 9 and shared several not-so-obvious gems with us.

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Useful New Features in Groovy 1.7

At the Spring S2G Forum in Munich, the Groovy project lead Guillaume Laforge elaborated on Groovy 1.7’s new and noteworthy improvements. There was a huge interest in Groovy at the forum, which reinforces our strategic investment in Groovy as a capable and mature JVM-based language. Overall, I got a lot of insights and have here prepared some illustrative examples.

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See You, SQL – Hello Hadoop

Our team has developed a system for storing and processing huge amounts of log data using Hadoop. The challenge was to handle Gigabytes of log messages every day and enable querying the 30+ Terabyte archive with instantaneous results. In this first part of our blog series we explain our motivation for using Hadoop and contrast this solution with the traditional relational database approach.

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Why XForms might be a Winner

mgm develops several large scale web applications containing hundreds of forms, e.g. the e-government portal ElsterOnline Portal. Design, implementation, test, and maintenance of these forms implies significant effort. We are currently evaluating different technologies – including XForms, Wicket and JSF (ICEfaces) – that could help us to reduce these efforts, to improve quality and set the framework for our next generation web forms-centric applications.

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