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Overview

Horst Gutmann. Software Developer & OpenSource/FreeSoftware Enthusiast.

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Blog 3 months ago
Hotel review: Superbude Wien Prater
During a recent visit to Vienna I stayed in Superbude Wien Prater , a very hip, modern hotel directly next to the famous amusement park. With its roots in Hamburg it's no surprise that this hotel targets a younger customer group with a focus on music and
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Blog 3 months ago
Additional checkbox-types in Obsidian
Thanks to the current heatwave I'm experiment with moving parts of my bullet journal temporarily away from paper and into Obsidian. While looking for ways how others handle the daily migrations when using checkboxes, I stumbled upon this video by Rob Cone
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Blog 4 months ago
OWASP Global AppSec EU 2026 in Vienna
It took a long time this year but I finally made it to a conference! Last week OWASP organised the OWASP Global AppSec EU 2026 in Vienna. My wife had convinced me and so off we went to the Austria Center to learn what's new in application security! A litt
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Blog 4 months ago
Surprised by The Running Man
Whenever I come across a movie that might be interesting and that is not included in any subscription yet, I consider just getting it as Bluray. And sometimes I pick another movie just because it sounds interesting. That just happened last week with The R
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Blog 4 months ago
Sorry, you are only one part of my target audience
The primary idea for the blogging calendar I started earlier this year was to be able to find topics that you, the reader, might find interesting. What I overlooked there, though, was that I have the classic writing block: Will someone care what I write a
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Blog 4 months ago
The right tool for thinking and writing
You've probably already come across the idea that some people think better when using pen and paper. For me that's absolutely the case. I cannot think properly about problems beyond a certain size without also having a way to write parts of that problem s
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Blog 5 months ago
Handwriting digital notes
A couple of days ago, reMarkable released a new edition of their ePaper tablet: The reMarkable Paper Pure . Compared to the Pro it is a smaller, lighter, grayscale tablet for about €250 less (€399). As always, pen and folio are not included so the full pr
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Blog 5 months ago
Self hosting my RSS aggregator
I've been using Feedbin since 2008 after moving there from Feedly. Back then, Feedly had become somehow annoying with lots of integrations that I actually didn't care about. This is not the reason why I decided to look at alternative RSS aggregators this
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Blog 5 months ago
Simple data analysis setup
Over the last couple of months I've had to do a bit more number-crunching than usual in order to write design docs. In a recent example I had to work with a datasource that was slow to query (GitHub's REST API) and eventually needed to work with 100,000+
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Blog 6 months ago
Pluribus season one
When I saw the trailer last year, I thought that might be one of those shows that I could either love or hate. Turns out, I absolutely loved season one of Pluribus ! The show starts with astronomers discovering a strong radio signal originating hundreds o
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