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Grails Goodness: Cleaning Up

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/Bu ...
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Data Analysis Tips for Product Managers and Product Owners

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 creat ...
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JDBC 4.0’s Lesser-known Clob.free() and Blob.free() Methods

When I talk about jOOQ at conferences, I always show this slide containing a bunch of very common JDBC mistakes that people often commit:                    Six common JDBC bugs ...
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JavaFX Custom Control – Nest Thermostat Part 2

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 ...
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Funny Bugs types

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 ar ...
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Using JavaCV with Scala and SBT

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.             ...
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Canary Tests

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 t ...
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Redis sort with Jedis

In this post we will talk about the Redis SORT command. Redis provides the SORT command that we can use to retrieve or store sorted values from a LIST, SET or ZSET. The simplest form we can use the command over a KEY like the exam ...
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Java 8 Friday Goodies: Lambdas and Sorting

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. We have blogged a couple of times about some nice Java 8 goodi ...
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Optimising Your ApplicationContext

There’s a problem with Spring, it’s been there for some time and I’ve come across it in a number of projects. It’s nothing to do with Spring, or the Guys at Spring, it’s down to Spring’s users like you and me. Let me e ...
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