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Partitioning SPA Resources and API Implementations in Separate WAR Components

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Single Page Applications are quickly gaining traction as a way to implement rich, robust, and mobile friendly web-based applications. Essentially, this requires a shift in application architecture where the entire application user interface is implemented using JavaScript and the server side code supplies a RESTful, JSON-based API for  server side application logic and data access. This model is shown below: ...

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Building and Running Java 8 Support

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The Eclipse support for Java 8 is not yet available for download. If you want to play with it, you’ve got to build it. Eclipsepedia’s JDT Core/Java8 page includes instructions for setting up your development environment with the source for the evolving Java 8 support in the Eclipse Java development tools (JDT). There’s a few pieces missing from the instructions; ...

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Grails Goodness: Cleaning Up

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When we use for example the compile or war command Grails will create files and stores them by default in the project’s working directory. The location of the project working directory can be customized in our grails-app/conf/BuildConfig.groovy configuration file. We remove the generated files with the Grails clean command. This command will remove all compiled class files, the WAR file, ...

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Data Analysis Tips for Product Managers and Product Owners

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Summary Data analysis might sound a bit nerdy, but it should be part of every product manager’s and product owner’s tool box. The idea is simple: Investigate the data gathered, learn form it, and use the new knowledge to create a successful product. In theory, that’s easy. But in practice, it can be challenging. The following tips help you get ...

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JavaFX Custom Control – Nest Thermostat Part 2

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I’ts been a while since I started to create the Nest thermostat FX custom control ! So last time, as suggested by Gerrit Grunwald I took some time to reproduce the Nest thermostat design with inkscape, as a first step to build a JavaFX version of it. Today I’d like to share with you the mistakes I made when trying ...

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Funny Bugs types

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Incompatible classes when you try to deserialize files generated with old code… Wrong URL setting when you put a wrong rest url in your property file and you receive no messages… Too verbose xml messages when SLAs are not met because your XML messages are too big wasting time in serialization and deserialization… Production with no tests when you go ...

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Using JavaCV with Scala and SBT

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Recently I’ve been doing some simple face detection in a Scala-based project. The “industry standard” for such kind of tasks is OpenCV; face detection is one of its basic use-cases.                 However OpenCV is written in C/C++, so obviously to use it from Scala a JVM interface is needed. One of such interfaces ...

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Canary Tests

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Canary Tests are minimal tests to quickly and automatically verify that everything you depend on is ready. You run Canary tests before other time-consuming tests, and before wasting time investigating in your code when the other tests are red. If the canary test fails, you know you have to fix something on the environments first. This idea of Canary test ...

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