Letzte Artikel von Simon Tiffert

IT Projects – In the wild

As part of the course Object Oriented Software Construction (OOSC) we (Jan Nonnen, Simon Tiffert) gave a talk at Uni Bonn. Based on our projects in the logistics industry, we discussed important aspects of  software development that go beyond what university teaches you. Download the slides: Viaboxx-Projects-in-the-wild
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Developing RPM packages for RHEL/CentOS with VirtualBox and Vagrant

TL;DR: Build and test RPM packages on local virtual CentOS machines before deploying to RHEL. We've recently delivered our first round of packages in a project where the customer is running Red Hat Enterprise Linux (RHEL). The default way of distributing software for RHEL and similar operating systems is by packaging it into an RPM…
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Distances for Vehicle Routing with GraphHopper

This articles gives some hints for solving the Vehicle Routing with GraphHopper and OptaPlanner. It focuses on the GraphHopper's API to compute distances. I also recommend the blog post of Geoffrey De Smet about OptaPlanner and GraphHopper, that discusses the necessity of using real distances instead of euclidian distances for solving real vehicle routing problems.…
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Generate nice documents out of Confluence

Problem: Your company is using Confluence and this is the place, where the employees write their documents, maintain the links between the pages etc. You have to deliver high-quality documents (documentation, manuals etc.) to your customer, so you have to produce PDF or Word-files. The customer wants you to use specific templates with header-page, logo,…
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