Querying Your Database from Millions of Fibers (Rather than Thousands of Threads)

jOOQ is a great way to do SQL in Java and Quasar fibers bring a much improved concurrency We’re excited to announce another very interesting guest post on the jOOQ Blog by Fabio Tudone from Parallel Universe. Parallel Universe develops an open-source stack that allows developers to easily code extremly concurrent application on the JVM. With the Parallel Universe stack ...

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JavaFX Tip 20: A lot to show? Use Canvas!

There seem to be two kinds of JavaFX applications: the first one is using a scene graph with nodes and CSS styling, and the second one is using a single canvas. However, it is perfectly legal to mix these two approaches. Especially when your application has to show a lot of detailed information where you would easily end up creating thousands and thousands of ...

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Containerizing Opinionated Applications

Containerizing an in-house application can be complex; a great resource for guiding this process is Docker’s list of Dockerfile best practices. Wrapping an application in a container is the easy part. Extracting your application into multiple components and deploying those components in a way that gives all the benefits of containerization is a little more complicated. With an internal application, ...

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How Engineers Get Found on LinkedIn (and how to hide)

There are two types of software engineers on LinkedIn: those aggravated by the large volume and poor content of incoming recruiter email, and those who wonder where all those recruiters are that are offering jobs to friends and co-workers. This post was originally intended solely for the latter group, which is either the minority or just less vocal. But being that I try to write ...

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A Developers Perspective on Spring vs JavaEE

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In Java community Spring vs JavaEE is a never ending debate. In such debates people form two groups consisting of evangelists, architects and hard core fans of one platform and debate endlessly. Those who participate in the debates may be architects who are responsible for platform selection. But what would developers think about this Spring vs JavaEE debate? I am ...

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Scale Effects, Machine Learning, and Spark

“In 1997, IBM asked James Barry to make sense of the company’s struggling web server business. Barry found that IBM had lots of pieces of the puzzle in different parts of the company, but not an integrated product offering for web services. His idea was to put together a coordinated package, which became WebSphere. The problem was that a key ...

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Injecting Kubernetes Services in CDI managed beans using Fabric8

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Prologue The thing I love the most in Kubernetes is the way services are discovered. Why? Mostly because the user code doesn’t have to deal with registering, looking up services and also because there are no networking surprises (if you’ve ever tried a registry based approach, you’ll know what I am talking about). This post is going to cover how ...

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