Hund's second rule Updated 2025-07-16
Age of Earth Updated 2025-07-16
Extinction event Updated 2025-07-16
Geologic time scale hierarchy Updated 2025-07-16
Brewster's angle Updated 2025-07-16
feathers-chat PostgreSQL Updated 2025-07-16
Ciro Santilli managed to port it to Sequelize for PostgreSQL as shown at: github.com/cirosantilli/feathers-chat/tree/sequelize-pg
feathers-chat-react Updated 2025-07-16
Last updated 2018 as of 2021, but still just worked.
Gotta run github.com/feathersjs/feathers-chat first: github.com/feathersjs-ecosystem/feathers-chat-react/issues/5, then it worked:and on the other terminal:then visit localhost:3000/ and you can create an account and login, tested on Ubuntu 20.10. Data is stored on persistently.
git clone https://github.com/feathersjs/feathers-chat
cd feathers-chat
git checkout fd729a47c57f9e6170cc1fa23cee0c84a004feb5
npm install
npm startgit clone https://github.com/feathersjs-ecosystem/feathers-chat-react
cd feathers-chat-react
git checkout 36d56cbe80bbd5596f6a108b1de9db343b33dac3
npm install
npm startIf you disable JavaScript on Chromium, it stops working completely. There is a section on how to solve that at: docs.feathersjs.com/cookbook/express/view-engine.html but it does not cover React specifically. Codaisseur/feathersjs-react-redux-ssr might be good to look into.
ELF Hello World Tutorial
DF_1_PIE Updated 2025-07-16file 5.36 however does use it to display file type as explained at: stackoverflow.com/questions/34519521/why-does-gcc-create-a-shared-object-instead-of-an-executable-binary-according-to/55704865#55704865 E. Coli K-12 MG1655 operon thrLABC Updated 2025-07-16
Contains the genes: e. Coli K-12 MG1655 gene thrL, e. Coli K-12 MG1655 gene thrA, e. Coli K-12 MG1655 gene thrB and e. Coli K-12 MG1655 gene thrC, all of which have directly linked functionality.
We can find it by searching for the species in the BioCyc promoter database. This leads to: biocyc.org/group?id=:ALL-PROMOTERS&orgid=ECOLI.
That page lists several components of the promoter, which we should try to understand!
Some of the transcription factors are proteins:
After the first gene in the codon, thrL, there is a rho-independent termination. By comparing:we understand that the presence of threonine or isoleucine variants, L-threonyl and L-isoleucyl, makes the rho-independent termination become more efficient, so the control loop is quite direct! Not sure why it cares about isoleucine as well though.
E. Coli K-12 MG1655 transcription unit thrL Updated 2025-07-16
E. Coli K-12 MG1655 transcription unit thrLABC Updated 2025-07-16
Pangaea Updated 2025-07-16
Climatology Updated 2025-07-16
Meteorology Updated 2025-07-16
Tetrapod Updated 2025-07-16
Includes:
- amphibians
- amniotes, which includes:
- sauropsida: reptiles and birds, which really are reptiles
- mammals
The exact relationships between those clades is not very clear as there's a bunch of extinct species in the middle we are not sure exactly where they go exactly, some hypothesis are listed at: en.wikipedia.org/w/index.php?title=Tetrapod&oldid=1053601110#Temnospondyl_hypothesis_(TH)
snap "Pending Update of" notifications Updated 2025-07-16
Happening multiple times a day on Ubuntu 22.04 for Chromium, even though I turn computer on and off daily, unbearable:
- askubuntu.com/questions/1412575/pending-update-of-snap-store
- askubuntu.com/questions/1412140/pending-update-of-firefox-snap-close-the-app-to-avoid-disruptions
- forum.snapcraft.io/t/how-to-disable-snapd-update-notifications-permanently/31117 Settings > Notifications > Snapd User Session Agent
- www.reddit.com/r/Ubuntu/comments/v1s919/disable_pending_update_of_snap_message_kiosk/
- forum.snapcraft.io/t/refresh-app-awareness-call-for-testing/29123
Ubuntu 21.10 does not wake up from suspend Updated 2025-07-16
Please refer to Video "Linus Torvalds saying "Nvidia Fuck You" (2012)".
Does not happen every time, only some times. Can't figure out why. Usually happens when has suspended for a longer time.
bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-470/+bug/1946303 sounds like a likely report, Nvidia driver version 470, but can't find those error messages anywhere. The last line of:once was:which is when sleep starts.
journalctl -o short-precise -k -b -1PM: suspend entry (deep)This suggests that it is not a video bug then, seems that it is not waking up at all? Gotta try to SSH into it. OK. I did SSH into it, and that was fine, so it is just the video that won't start.
PM: suspend exitbugs.launchpad.net/ubuntu/+source/linux/+bug/1949977 is another possible bug, based on kernel version. I'm running 5.13, which is one of the failing versions on the report. Can't find any interesting dmesg though.
In another crash:had the following interesting lines:and there was a corresponding
journalctl -o short-precise -k -b -1nvidia-modeset: WARNING: GPU:0: Lost display notification (0:0x00000000); continuing.
[24307.640014] NVRM: GPU at PCI:0000:01:00: GPU-18af74bb-7c72-ff70-e447-87d48378ea20
[24307.640018] NVRM: Xid (PCI:0000:01:00): 79, pid=8828, GPU has fallen off the bus.
[24307.640021] NVRM: GPU 0000:01:00.0: GPU has fallen off the bus.
[24328.054022] nvidia-modeset: ERROR: GPU:0: The requested configuration of display devices (LGD (DP-4)) is not supported on this GPU.
[repeats several more times]
[24328.056767] nvidia-modeset: ERROR: GPU:0: The requested configuration of display devices (LGD (DP-4)) is not supported on this GPU.
[24328.056951] nvidia-modeset: ERROR: GPU:0: Failed to query display engine channel state: 0x0000927c:0:0:0x0000000f
[24328.056955] nvidia-modeset: ERROR: GPU:0: Failed to query display engine channel state: 0x0000927c:1:0:0x0000000f
[24328.056959] nvidia-modeset: ERROR: GPU:0: Failed to query display engine channel state: 0x0000927c:2:0:0x0000000f
[24328.056962] nvidia-modeset: ERROR: GPU:0: Failed to query display engine channel state: 0x0000927c:3:0:0x0000000f
[24328.056983] nvidia-modeset: ERROR: GPU:0: DP-4: Failed to disable DisplayPort audio stream-0
[24328.056992] nvidia-modeset: ERROR: GPU:0: Failed to query display engine channel state: 0x0000947d:0:0:0x0000000f/var/crash/_usr_sbin_gdm3.0.crash.Related "GPU has fallen off the bus": askubuntu.com/questions/868321/gpu-has-fallen-off-the-bus-nvidia
Hund's rules Updated 2025-07-16
Allow us to determine with good approximation in a multi-electron atom which electron configuration have more energy. It is a bit like the Aufbau principle, but at a finer resolution.
Note that this is not trivial since there is no explicit solution to the Schrödinger equation for multi-electron atoms like there is for hydrogen.
For example, consider carbon which has electron configuration 1s2 2s2 2p2.
SQL parallel update example Updated 2025-07-16
Anne Wojcicki Updated 2026-08-21
She's truly passionate about health research and keeping healthy, almost obsessed by it. Also she's strong willed, and energetic. Good traits for founding 23andMe.
- www.vanityfair.com/style/2014/04/sergey-brin-amanda-rosenberg-affair Fantastic painting of the people.
As www.nytimes.com/2017/11/18/style/anne-wojcicki-23andme-genetics.html puts it well:
The Wojcickis grew into Silicon Valley royalty. It’s the sort of family, Anne jokes, where “you’re only a viable fetus once you have your Ph.D.
Anne Wojcicki interview by Talks at Google (2018)
Source. She's athletic! As mentioned at: www.vanityfair.com/style/2014/04/sergey-brin-amanda-rosenberg-affair. And despite the name, and unlike Sergey, she's completely american as seen from her perfect accent!- youtu.be/pDoALM0q1LA?t=173 coding on garage while they do dishes and burritos
- youtu.be/pDoALM0q1LA?t=331 why she's obsessed with healthcare. Also mentioned at: www.vanityfair.com/style/2014/04/sergey-brin-amanda-rosenberg-affair how she was trying to save Sergei from some of his genetic predispositions
- youtu.be/pDoALM0q1LA?t=571 she really cared about 23andMe, but the public didn't as much as her. She's truly passionate about mining genetic data. Maybe she came a bit early.
- youtu.be/pDoALM0q1LA?t=1038 doc in a box workaround
There are unlisted articles, also show them or only show them.