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A Docker Maven Plugin for Integration Testing

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What is Docker? Docker is the buzzword that is taking the DevOps world. If you don’t know yet what is Docker, be warned, you will find yourself using it one way or another very soon. The rest of this post assumes some basic understanding of Docker, but if you are not familiar with it now, I’m sure you will come ...

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Apache Olingo is now a top-level project

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The Apache Software Foundation recently announced that Apache Olingo has graduated from the Apache Incubator to become a Top-Level Project, thus signifying that the project’s community and products have been well-governed under the ASF’s meritocratic process and principles. Apache Olingo is an open-source, generic Java client and server library implementation of the OData (Open Data Protocol) standard for interoperable querying ...

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How much faster is Java 8?

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Java SE 8 was released yesterday. Traditionally, every new major JRE version comes with a free performance boost. Do we get another free lunch? And how big is the gain this time? Let’s benchmark it.             Benchmark methodology Run the same code with 3 different JRE versions (SunJDK 1.6.0_26, OpenJDK 1.7.0_51 and OpenJDK 1.8.0). The ...

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Constructor/Method Parameters Metadata Available Via Reflection in JDK 8

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One of the lesser advertised new features of JDK 8 is the optional ability to include parameter metadata in compiled Java classes [JDK Enhancement Proposal (JEP) 118]. This feature allows Java applications to access this parameter metadata information at runtime via reflection. The Java Tutorials‘ Reflection API trail includes a lesson called Obtaining Names of Method Parameters that discusses and ...

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HTML5: Offline upload of images

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I am currently working on an application which has needs to work offline. This has the beneficial side effect, we use the different HTML5 storage capabilities. One of the is the File API, which we are using to store images locally – before queuing them for upload to a backend server. In this article, I will share some code how ...

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Building a nirvana

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What started out three years ago as in a form of a single ANT file has grown into literally a hundred of build tasks taking more than eight hours to complete from start to finish on sequential run. In this post we describe some of the tools and techniques we have applied into our build infrastructure.         ...

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Groovy Goodness: Closure as Writable

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In a previous post we learned about the Writable interface and how the GString implementation implements this interface. In Groovy we can also use a closure as an implementation of the Writable interface. The Closure class has the method asWritable() that will return a version of the closure with an implementation of the writeTo() method. The Writer object that is ...

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The Cost of Context Switching

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I have always thought that I am good at multitasking. That is why I believed that I don’t have to pay the price associated with context switching (or task switching). This week I realized that have been wrong. I am not very good at multitasking and context switching is much more expensive than I thought. The reason for my mistake ...

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Spring Boot 1.0 followed by Spring Boot 1.0.1 bug fix release

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Spring Boot 1.0 release was recently announced by the Spring Boot team, and was followed by Spring Boot 1.0.1.RELEASE, a bug fix release that also includes a few new features. Spring Boot was created 18 months ago, with a purpose to improve containerless web application architectures. The new release, that is already available in Maven Central and the repo.spring.io repository ...

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The Prototype of Future Knowledge Workers

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The following is an except from my 2008 book “Changing Software Development: Learning to be Agile”. I’ve been thinking about this suggestion a lot recently and have a blog post in the works. Hence I thought now would be a good time to share this, it also means I can reference this post in the one that comes next… and ...

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