Hi!
My name is Marcel Kapfer. I compose music and write stuff.
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** Coding
I learned Java back in 2014 and started a first project, the
writtenMorse project. It provided tools to convert writtenMorse
code to latin letters and the other way around. (Btw.: The
writtenMorse code itself is an “invention” of mine). Later in 2014
I started to learn coding for Android, since I wanted to develop a
writtenMorse app to this mobile OS. This app was published on the
Google Play Store in mid December, just three weeks after my first
contact with Android development. Additionally to that I learned in
2014 was JavaScript.
In 2015 I expanded my knowledge by learning Bash, PHP, Python and a
little bit of C. I also released a few font apps for the
Cyanogenmod Theme Engine and some bash scripts to make my (and
maybe also your) life easier. Rangitaki is another project that I
started in February 2015. It was a blogging engine without any
database dependencies, written in PHP, which tries to be
lightweight and extremely fast to start with and easy to use.
In October 2015 I started studying computer science at Ulm
University to improve my knowledge in this area further.
I started learning more and more things about free (as in freedom,
not as in free beer) software in February 2016. I strongly support
the idea of freedom in software and try to move away from non-free
software. One part of that is my decision to move all my project
from GitHub to [[https://gitlab.com/u/mmk2410/projects][GitLab]].
Due to other activities in the recent years (and also the coming
ones) I don't have much time (and also not much interested) in
developing software. I try to further maintain some relevant
projects, but most of them have been archived.
** Graphic Design
Next to coding I'm also in designing things. I started designing a
few years ago but I hadn't jet time to do any major public work. As
of now my experience narrows down to web design and print design,
but maybe I find more time in the future to invest in this area.
** Composing
During my school time I had a lot to do with music and learned to
play the piano. Last year I started to focus more on finding my own
style, which is is combination of Minimal Music and Impressionism
and I also wrote down some scores. A first piece is written and
more or less professionally set and also recorded. You can download
both on the [[https://marcel-kapfer.de][composing page]].
Due a lack of time in the last years I didn't have time to compose
anything new. But one piece is nearly done.
** Writing
To write about coding, politics, happenings in my life and also
philosophy questions is something I'm interested in for years.
Sadly due to many other tasks I wasn't able to write much things.
Next to the blog entries I have also published a few longer
* Blog
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From time to time I have something I want to write about. Seldom I
also have the time to do so. In these rare occasions you will find a
blog post at this place.
If you're asking, about what I write: I really can't tell. The most
things you can find here in the moment are about Linux, coding, and
similar stuff. But I won't promise that this wont change. We'll
see...
* Projects
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During the last years I started a few small software projects. Sadly
over the last two years I had nearly no time to maintain any of them
(except features and bugfixes I needed). However, I try to further
maintain and develop them. You can find all of them at [[https://gitlab.com/mmk2410][GitLab]].
** Debian packages and Ubuntu PPAs
My (unofficial) Debian packages and the corresponding Ubuntu PPAs
are probably the most famous thing I have created. Actually I
maintain four packages. One for the writtenMorse project (see
below), one of the Eclipse Java IDE and the community and ultimate
versions of IntelliJ IDEA by JetBrains. If one of those is out of
date, don't hesitate to file a bug report at or make a pull request
at GitLab.
*** IntelliJ IDEA Community & Ultimate
The community edition and the ultimate edition as well can be
received from the Launchpad repository [[https://launchpad.net/~mmk2410/+archive/ubuntu/intellij-idea][ppa:mmk2410/intellij-idea]]
which you can add on Ubuntu with
#+begin_src shell
sudo apt-add-repository ppa:mmk2410/intellij-idea # Add the repository
sudo apt-get update # Update the package lists
sudo apt-get install intellij-idea-community # Install IntelliJ IDEA Community
sudo apt-get install intellij-idea-ultimate # and/or install IntelliJ IDEA Ultimate
#+end_src
The source code and the =.deb= packages are available at their
repositories on GitLab:
- [[https://gitlab.com/mmk2410/intellij-idea-community/][IntelliJ IDEA Community repository]]
- [[https://gitlab.com/mmk2410/intellij-idea-ultimate/][Intellij IDEA Ultimate repository]]
*** Eclipse Java IDE (inactive)
Corresponding to the IntelliJ IDEA packages I also provide a
repository to install the Eclipse Java IDE with
#+BEGIN_SRC shell
sudo apt-add-repository ppa:mmk2410/eclipse-ide-java # Add the repository
sudo apt-get update # Update the package list
sudo apt-get install eclipse-ide-java # Install Eclipse Java
#+END_SRC
The repository is hosted at [[https://launchpad.net/~mmk2410/+archive/ubuntu/eclipse-ide-java][Launchpad]] and the code at [[https://gitlab.com/mmk2410/eclipse-ide-java/][GitLab]].
** Scorelib (inactive)
Scorelib is a smaller project I started in 2015 for managing my
collection music scores (the sheetpapers) with a database. Scorelib
is a CLI program written in Python and using SQlite as a database.
I assume that it only runs on Linux, but I never tested it on other
platforms. Scorelib is, as of now, quite small with only the basic
features implemented (like I wrote on the beginning, I had no time
to code much the last years). It is available at [[https://gitlab.com/mmk2410/scorelib][GitLab]].
** Other
Smaller scripts that aren't worth their own Git repository can be
found at the [[https://gitlab.com/mmk2410/scirpts][scripts repo]].
** Archived
*** CyanogenMod Fonts (archived)
In early 2015 I created three font packages for the CyanogenMod
Theme Chooser (Comfortaa, Fira Sans and Raleway) which were all
quite a success at Google Play. But since end of 2015 I no longer
own an device for which a CyanogenMode / LineageOS build is
available and so I sadly cannot further develop or maintain those
packages. I /you/ are interested in helping with these projects,
feel free to contact me at me(at)mmk2410(dot)org!
*** Rangitaki (archived)
The biggest project I've started is the Rangitaki blogging engine.
A blogging engine (with a few CMS features) written in PHP and
without database dependencies. I used it prior to this WordPress
installation and still use it on [[https://marcel-kapfer.de][marcel-kapfer.de]].
Read more about it at [[https://gitlab.com/mmk2410/rangitaki/wikis/home][GitLab]].
*** writtenMorse (archived)
writtenMorse was the first project I've started back in 2014. Its
goal is it to provide a Morse code system for writing and reading
(with signs like =#= for a letter space and =+= for a word space)
-- especially at computer system, as well as software to work with
it. The project started with a simple Java program which grow fast
to a full-features software for converting writtenMorse and also
Morse code. The project also created an Android app an a
responsive web app.
More information can still be found at the corresponding [[https://gitlab.com/mmk2410/writtenmorse-specs/wikis/home][wiki
page]].
*** Other archived projects
Beneath those projects there were also a few other ones worth
mentioning like [[https://gitlab.com/mmk2410/filespread][Filespread]], an web app for sending a file to a
group of people via mail, and [[https://gitlab.com/mmk2410/titama][TiTaMa]], a simple time table manager
web app written in PHP (a rewrite in Dart was started and the
backend is complete since mid-2016 but the frontend was never
started). There is also the usual bunch of dead experiments like
an Rangitaki SSH Sync library, written in C with libssh. As of now
all these are no longer developed and archived.
* Manuscripts
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Here you can find some articles, concepts, manuscripts and similar
documents. Most of them are written in German.
** Philosophy
- [[/2019/04/handlungsfreiheit-privatautonomie-mensch-autonome-systeme.pdf][Handlungsfreiheit und Privatautonomie des Menschen bei autonomen Systemen]] (Deutsch, 12. Februar 2019)
- [[/2018/07/arbeit.pdf][Suizid aus den Augen Viktor E. Frankls]] (Deutsch, 30. März 2018)
- [[/2018/03/mathematik-antike.pdf][Mathematik in der Antike]] (Deutsch, 12. März 2018)
** Computer Science
- [[/2018/08/overview-of-finding-the-most-probable-explanation-in-bayesian-networks.pdf][Overview of finding the most probable explanation in Bayesian networks]] (English, 09. July 2018)
- [[/2018/03/vergleich-bdsg-dsgvo.pdf][Das Bundesdatenschutzgesetz im Vergleich mit der Datenschutz-Grundverordnung]] (Deutsch, 24. Januar 2018)
** Misc
- [[/2018/03/konzept-gespraech-konfliktbewaeltigung.pdf][Konzept für Gespräche zur Konfliktbewältigung]] (Deutsch, 27. März 2018)
* Quotes
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/These pages are only in German./
Auf diesen Seiten sammeln sich zahlreiche (zumeist unkommentierte)
Zitate. Der Großteil (zur Zeit sogar noch alle) stammen von einem
Projekt 365 (wem das nicht bekannt ist, ein Projekt 365 ist ein
Projekt, bei welchem man sich täglich eine Aufgabe vornimmt), zu
welchem ich 2015 ermuntert wurde. Ich habe mich damals dazu
entschieden, ein Jahr lange jeden Tag ein Zitat (unkommentiert) zu
posten. Diese Sammlung findet sich hier.
Das hießt aber nicht, dass nie etwas Neues hinzukommt. Es ist gut
möglich, dass ich hier in Zukunft von Zeit zu Zeit ein Zitat poste
und eventuell dieses auch sogar etwas kommentiere. Mal schauen... :D
Falls das mal der Fall sein sollte und sich jemand bewusst nur für
die Posts im Rahmen des damaligen Projekt 365 interessiert, kann er
explizit diese unter der [[/categories/project365-2015][dazugehörigen Kategorieseite]] lesen.
* Contact
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If you want to contact me, feel free to write me a mail at
me(at)mmk2410(dot)org or a direct message on [[https:twitter.com/mmk2410][Twitter]] or
[[https://fosstodon/@mmk2410][Mastodon/Fosstodon]].
* Impressum und Datenschutz
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Marcel Kapfer