Erwin Müller Blog

Planetary Systems Compared with Our Solar System

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There are over 2000 confirmed discovered exoplanets, that is, planets that orbit other star systems than ours. I was researching the exoplanetary systems that are available in the various open catalogs, like the listed below. The Open Exoplanet Catalogue The Exoplanet Orbit Database The Extrasolar Planets Encyclopaedia NASA Exoplanet Archive The article compares the semi-major…

Resources Management Project

Natural Resources (Log Processor by David Stanley https://www.flickr.com/photos/davidstanleytravel/6051024483/)

The project addresses the need for an application to manage text, image and binary resources. Text resources are usually the names and labels of a user interface, image resources hold logos and icons that are used in the user interface, and other images that are presented to the user. Binary resources are arbitrary resources like…

POSIX Locale for Java

The Locale class in Java is very powerful and useful, but it is different from the locale that is used on POSIX systems. The POSIX locale is described to contain the language, country and the code set, which translates to Java as the Locale class and the Charset class. My globalpomutils-core module offers now in…

Add Locale for Ubuntu Server

Locale

This is a short How-to how to add additional locales to your Ubuntu server. On a fresh installation of a Ubuntu server a default locale is installed, normally English, but if you have web services that presents the web site to the user in a different language, additional locales must be installed. The Ubuntu server…

Java Projects Report Sites

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I have been updating my Java projects and uploaded the Java report page on the server. The server runs Nginx with WebDAV to upload the report page. Maven is able to generate the report page for each Java project, the report page contains the Dependencies, Dependency Convergence, Dependency Information, Dependency Management, Distribution Management, About Page,…

Forecast Project

Forecast Derivation 1

Forecast Project Scope and Vision The Forecast software is using numerical integration and differentiation to find structures in a sequence of signal samples. The first-difference differentiator is used to calculate the differentiation: $latex y_f(n)=x_{n+1}-x_{n}$ To see the structures in the signal samples the data is sorted first for each row by the natural order of…