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Joined 1 year ago
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Cake day: June 29th, 2024

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  • I remember seeing a documentary about a village in Germany, where many houses were damaged by geothermal plants, caused by water entering layers where it usually didn’t reach and the material there taking in water and expanding. So it probably depends a lot on the local geology and also on the depth. I sadly don’t remember how deep the one in the documentary was.

    I know a few people that got geothermal heating installed for their homes (in Germany), which goes a lot less deep than something intended for whole cities or districts. The one at my friend’s home is 50m deep, and it looks like anything less than 400m is considered “near surface”


  • I don’t think it makes sense to compare those efficiencies, as one is for converting heat to electricity, while the other is for converting sunlight. If you use sunlight to heat water and then use that for a steam turbine, the efficiency is similar to a photovoltaic panel. The efficiency numbers are still useful, but only when they refer to the same starting point for the conversion (e.g. only comparing things that turn heat into electricity).


  • Die kaputten Tags waren im Hintergrundbild (Bilder scheinen allgemein in der Archivversion zu fehlen). Aber die ganzen /* ohne Gegenstück passen auch gut :) Der Satz mit den Nervenzusammenbrüchen ist bei der Seite zu Anwendungsentwickler:innen.

    Falls ich die Straßenbahn noch Mal sehe, mache ich ein Foto, da haben sie die kaputten Tags noch drauf


  • Die hatten bestimmt die gleiche Werbeagentur beauftragt wie die Rentenversicherungn für ihre “Echte IT” Kampagne, da war der Hintergrund auch voller (kaputter) HTML-Tags, bzw. zufällig im Text platzierter spitzer Klammern, weil schaut nach Code aus.

    Leider gibt’s echte-it.de nicht mehr (hatte auch andere Highlights, wie die Beschreibung der Entwicklerstelle mit “nach dem einen oder anderen Nervenzusammenbruch funktioniert’s”), aber bei uns fährt die Werbung noch auf einer Straßenbahn rum.



  • The only thing I still use Postman for at work is when running API performance benchmarks, as I wasn’t yet motivated enough to write a curl wrapper to do such tests and plot the results. Especially when doing things like ramp up etc. it becomes more than a simple for-loop.

    Can someone recommend an existing command line tool for that?








  • Do most packages usually have a manual entry ?

    Usually there are manual pages for commands, for libraries and drivers like libwacom it is less common, and they are not necessarily the same as the package name. Some packages also just have a Readme file or an HTML manual installed under /usr/share/doc or similar.

    When unsure, I often just check the list of files that belong to a package, most package managers can do it. E.g. on Debian-based (i.e. apt using) distros, dpkg -L $packagename will list it, in arch based distros it is pacman -Ql $packagename.





  • I don’t think The Guardian is wrong here, see this passage from the article:

    Comer has sent 16 letters to former Biden White House officials requesting transcribed interviews, NBC said. Metadata analysis showed that all appeared to be signed with a digitally inserted signature. Further letters requesting testimony from the White House physician Dr Kevin O’Connor and Anthony Bernal, a senior aide to former first lady Jill Biden, were also signed with digital images, NBC said.

    He did not use cryptographic signatures, but images of his written signature, which I think is pretty similar to using an autopen (albeit probably much easier to detect)



  • My theory for why it created copies: The files you listed look like they are all subdirectories from /dev, which is (usually) a separate filesystem. When you try to move a file or directory across filesystems, the OS can’t just change the link, it has to actually copy the files and then remove the original. As a directory is a set of links to files, and the copies are different files, directories are just newly created with the same name in the new location instead of copying the directory filesystem entry. It looks like mv creates these target directories, before it checks if it actually has permission to remove the source, but checks file permissions, before it copies them