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#til — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #til, aggregated by home.social.

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  1. #TIL: es gibt ein [allerdings wohl nicht sehr breit bekanntes] symbol zur waldbrandgefahr, und das ist ein eichhörnchen! 🐿️🔥☝️ #squirrelcontent
    (artikel aus dem spiegel 2026.34:22)
    links dazu:
    instagram.com/p/CQydIJat5Nb/
    tu-dresden.de/bu/umwelt/forst/ (PDF)

  2. #TIL qu'on peut télécharger des décimales de Pi...

    Le record en calcul semble être celui-ci... 314 trillions de décimales, mais pas de téléchargement proposé :(

    storagereview.com/review/stora

    Il faut se rabattre sur un "petit" lot de 100 trillions de décimales sur pi.delivery/ qui propose et du téléchargement (prevoir de la place !!!), mais aussi une API pour récupérer n'importe quelle séquence de décimales.

  3. RE: mas.to/@zzt/117083457008540888

    #TIL (Today I Learned) that Linus Torvalds apparently makes 1.5 million dollars a year and his estimated wealth is somewhere between 50 and 150 million dollars.

    And yet he goes to Linus Tech Tips to ask if LTT will gift Torvalds a computer.

    Torvalds didn't have to sell the world out to the evil companies funding the Linux Foundation, but he did.

  4. En parfaite mécréante que je suis, je comprends seulement à présent, grâce à Fanny Chiarello, que des petits lieux de recueillements que j'avais croisés en les trouvant un peu lourds côté décoration, n'étaient autres que des facs-similés plus ou moins bien inspirés de la grotte de Lourdes. Je me coucherai moins ignare ce soir. #TIL
    fannychiarello.com/2026/08/15/

  5. #TIL (Today I Learned) that (regarding Arch Linux) the tool mkinitcpio apparently changed its default approach from the busybox approach to the systemd approach sometime in 2025.

    So if you installed Arch in 2026 and follow some older guides/videos, you could maybe mess up your mkinitcpio configuration and thus initramfs image, maybe rendering your computer unbootable.

    #Linux #Arch #ArchLinux #systemd

  6. "[...] when the home directory is placed on NFS [...] A 1 ms network latency makes these programs unacceptably slow (e.g., executing import torch takes more than 30s)."
    "[...] the Chinet [中科光电] optical-to-electrical port module I originally used introduced an extra 0.1 ms of latency, causing IOPS to drop by 2/3)."
    They say the only users who care about the negligible PHY delays are all doing High-Frequency Trading or MPI. #TIL Some do extreme tuning not to simulate the Earth or make millions of dollars, they're just NFS users who want their Oh-My-Zsh and "import torch" go faster.

  7. #TIL The furthest time zones from UTC aren't UTC+12/UTC-12. They are UTC+14 and UTC-12. Human politics are complicated...

    距离 UTC 最远的时区不是 +12 和 -12,而是 +14 和 -12。这是政治因素造成的,所以不是对称的。

    chatgpt.com/share/6a7f5831-e44

  8. This works for #FensterFreitag (it's a series of bus windows) and #FrogFriday!

    Seen in a local neighborhood this morning. So #TIL about Miss Piper and Pals, which is focused on reptile education and outreach. misspiperandpals.com

    #WindowFriday #today #reptiles

  9. Reading Empires of the Silk Road by Christopher Beckwith and I found this particularly interesting.

    #TIL

  10. #TIL ce style visuel moche très répandu de nos jours et qui ressemble à des trucs fait en 10s sous Illustrator s'appelle "Corporate Memphis"

    fr.wikipedia.org/wiki/Corporat

  11. Today I learnt what's the difference between sparkling water and soda.

    Recently I was invited to a dinner by a friend. And my partner and I were asked to bring sparkling water. After we bought it, the friend corrected herself and asked for soda (she didn't know we already got it).

    Neither of us knew what was the difference. We joked soda comes from Soda region and otherwise it's just sparkling water. Anyway, we got soda for the dinner party and ended up taking the bottle of sparkling water home. I don't like sparkling water (it tastes weird), so my partner ended up drinking it.

    Today I learnt sparkling water is naturally fizzy while soda is artificially carbonated. That makes me wonder what's the point of soda in the first place, but I digress.

    The more you know!

    #TIL #TodayILearnt

  12. #TIL Since Debian 12, the non-free firmware blobs were moved from deb http://example.org stable main non-free to non-free-firmware, so you won't find the firmware even with non-free enabled. I guess it's because some people still want non-free firmware without non-free userspace... ​:blobcatthinking:​

  13. "IPv6AcceptRA=: Note that kernel's implementation of the IPv6 RA protocol is always disabled, regardless of this setting. If this option is enabled, a userspace implementation of the IPv6 RA protocol is used, and the kernel's own implementation remains disabled, since systemd-networkd needs to know all details supplied in the advertisements, and these are not available from the kernel if the kernel's own implementation is used."
    #TIL systemd-networkd replaces the Linux kernel's RA protocol. It's truly "systemd".

  14. #TIL  🇮🇹

    Cozze / Cicerenella - Amaraterra

    for those out there fans of #TheCyclingPodcast here is the song they use as  🩷🩷 #GirodItalia 🩷🩷 theme

    https://amaraterra.bandcamp.com/track/cozze-cicerenella

    it's comforting, grounded in a sense, and it sounds fun and happy and it's may!!, nature and people are peaking.

    #bandcamp #amaraterra

  15. Wenn Fernsehen bildet. Oder so.

    Ich wusste bis heute nicht, warum SPAR 🌲 so heißt. Hab mich über das Sponsoring bei der EM gewundert und Wikipedia befragt.

    #til

  16. 🌈 Darf ein Mensch, der mit fast 61 Jahren immer noch keinen Regenbogen richtig herum sticken kann, trotzdem weiterleben? Frage für eine mir nahe stehende und extrem bekannte Person mit ausgeprägter Affinität zu Leinen.

    Als ich mein Ladentür-Schildchen hier damals getröötet habe, hat mich auch niemand darauf hingewiesen. Sowas müsst ihr mir doch bitte sagen.
    ⌗ ωᥱℓᥴ𐐫꧑ᥱ ! 🌈

    Wie peinlich ist das denn. 🫣

    Ich such jetzt dieses Loch…ihr wisst schon, das im Boden….🕳Tschühüss

    #TIL

  17. What I would really love to #TIL though: How the fuck can I format text as code in #Mastodon?

  18. #TIL: `cat` has a brother `tac`, running in the opposite direction 🤯

  19. #TIL mirror lenses are sometimes called «cats», short from «catadioptric lens»