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dkrajzew

9 karma · joined June 29, 2020

Building software...

http://www.krajzewicz.de

open source: - https://www.eclipse.org/sumo/ - https://github.com/dkrajzew/degrotesque - https://github.com/dkrajzew/optionslib_java - https://github.com/dkrajzew/optionslib_cpp - https://github.com/dkrajzew/db2qthelp - https://github.com/DLR-VF/UrMoAC

commercial: - http://www.palettewb.com/ - http://www.alsog.de/ - http://www.krajzewicz.de/blog/shaderwb.php

submissionscomments
dkrajzew··on An Archive of Colour Gradients
Thanks for posting! I'm doing this: https://palettewb.com/
dkrajzew··on Ask HN: AI Depression
What I find really disturbing is the impossibility to catch up with the development - which agent system to use, which model, what are the right models for what tasks?

I do not fear that some agents will pollute my repos with their PR. In opposite, I suppose that we will end at a point where for each question, task, or problem, one will find many (AI-coded) solutions, making it impossible to choose a right, solid, reliable one. I recently thought about having a database of tools per task so that a comparison would be possible. But the maintenance costs of something like this are enormous when including benchmarks, comparisons, etc. on different qualities.

dkrajzew··on How to design a new language that can be spoken, written, and read in 30 minutes
Hello there!

I though this may be interesting for linguistics fellows...

dkrajzew··on Ask HN: What did you find out or explore today?
DBSCAN for grouping locations. Well, still slow...
dkrajzew··on Ask HN: Share your personal website
Hello there! Mine is https://krajzewicz.de - I like the impressum :-) And: no cookies
dkrajzew··on Ask HN: What Are You Working On? (December 2025)
Some recent tools, finished/improved this year:

- db2qthelp — a DocBook book to QtHelp project converter (https://github.com/dkrajzew/db2qthelp)

- grebakker: a private backup tool (https://github.com/dkrajzew/grebakker)

- gresiblos: a tiny static site builder (https://github.com/dkrajzew/gresiblos)

Currently, I work on a Desktop GLSL shader editor. Looks fine so far...

dkrajzew··on Tailwind color palette generator
Mine is a MS WIndows application with variable export functionality: https://palettewb.com
dkrajzew··on Lindenmayer Systems
Hmm, my dollar: http://www.alsog.de/

Or see the examples page: http://www.alsog.de/feat_examples.php

dkrajzew··on Ask HN: Could you share your personal blog here?
https://www.krajzewicz.de/blog/index.php
dkrajzew··on Ask HN: What has your personal website/blog done for you?
Nope, but HackerNews get interested in one tiny blog article on c64 palettes some years ago: http://www.krajzewicz.de/blog/stretching-the-c64-palette.php
dkrajzew··on Ask HN: Small scripts, hacks and automations you're proud of?
I like my web type setter written in Python very much: https://github.com/dkrajzew/degrotesque

It replaces common ASCII characters by their typographic counterpart, e.g. "Hello - I'm back" will get "Hello — I'm back"

dkrajzew··on Show HN: A Python script to convert DocBook books to QtHelp
:-) You insist...

Yeah, look, it's hacky, yes, and maybe runs only with a certain setting.

But, well, you may be right, when I think a second time about this. Thanks...

dkrajzew··on Show HN: A Python script to convert DocBook books to QtHelp
Yes, I know. But DocBook generates fine HTML and HTML is what QtHelp shows.
dkrajzew··on Ask HN: What is the most impactful thing you've built?
Oh, sorry, SUMO is a traffic simulation for research purposes.
dkrajzew··on Ask HN: What is the most impactful thing you've built?
SUMO (Simulation of Urban MObility) https://www.eclipse.org/sumo/
dkrajzew··on Ask HN: Share your personal site
https://www.krajzewicz.de/
dkrajzew··on Traffic Simulator
When being interested in traffic simulations, you may try https://www.eclipse.org/sumo/ as well.
dkrajzew··on Ask HN: Privacy Policy for app when it doesn't collect any data
Yes, I'd confirm that it's sufficient to say the truth :-) I like one of my pages (you have to scroll to the bottom for the legal stuff): http://www.palettewb.com/
dkrajzew··on Ask HN: What are software bugs called in other languages?
German: - "Ich habe einen bug", "Da ist ein Fehler" - "Da ist ein glitch" - Ein typo
dkrajzew··on Ask HN: What are software bugs called in other languages?
Blady?
dkrajzew··on Conventions for Command Line Options
Hello there!

Yep, it's some kind of an advertisement, but for an open source project.

I made some experience with parsing command line options when working on an open source traffic simulation named SUMO (http://sumo.dlr.de) and decided to re-code the options library. It works similar to Python's argparse library - the options are defined first, then you may retrieve the values type-aware.

You may find more information on my blog pages: http://krajzewicz.de/blog/command-line-options.php

The library itself is hosted on github: - cpp-version: https://github.com/dkrajzew/optionslib_cpp - java-version: https://github.com/dkrajzew/optionslib_java

Sincerely, Daniel