Computing

JMS 2.0 Standalone Applications

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For a project of mine, I was looking to connect a standalone Java application via JMS with a GlassFish 4 backend service. To put it in other words, I wanted to run GlassFish 4 and get access to the JMS queues and topics from a standalone container. Having done this before with GlassFish 3.1. and […]

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Clojure: Importing a Leiningen Project into Eclipse

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To import a Leiningen project into Eclipse, so that you can use CounterClockwise with all its nice features, such as syntax highlighting, there is a handy plugin called lein-eclipse. To get started, all you have to do is to add this plugin as a dev-dependency in your project’s project.clj. (defproject my-project “1.0.0-SNAPSHOT” :description “My Clojure […]

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Reverse Engineering a PostgreSQL Database

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When working with relational databases it might come in handy to visualize an existing schema. Microsoft Visio supports such a reverse engineering of most databases in a remarkably easy way. This little tutorial assumes that the database to be reverse engineered is a PostgreSQL installation. Therefore, the first thing you need to do is to […]

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Java Servlet & JSP Form-based File Upload

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Surprisingly, Java Servlets and JSP do not have build-in support for handling form-based file uploads. However, there are several open source libraries available for this purpose, among which the Apache Commons FileUpload is one of the most stable. This post will demonstrate how to use this library to handle form-based file uploads using JSP technology. […]

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ISTQB Certified Tester – Foundation Level

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Today, I took the ISTQB certification exam for the foundation level and some things struck me that might be of some interest for future examinees. As one has to sign a formal obligation saying that you’re not allowed to give information about exam questions, I cannot be very specific. However, here are some hints: The […]

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3DScanner completed

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Today, after 4 months’ work, we completed our team project software 3DScanner. The project’s goal was to capture real-world objects of any size and recreate them as 3D models in a virtual environment. 3DScanner has a lot of advantages compared to other (even commercial) products. Firstly, only one camera is needed. Any off-the-shelf digital camera […]

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OpenGL with GLUT

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For I have only found few explanations about how to use the GLUT library for OpenGL programming with Visual Studio 2008, I’ll give it a try myself: Download the GLUT library from Unzip it glut.h – needs to be copied to the include/gl directory within the Microsoft SDK installation dir. glut32.lib – at the same […]