s2geometry
WSL
s2geometry | WSL | |
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26 | 406 | |
2,185 | 16,652 | |
1.3% | 0.6% | |
5.8 | 8.6 | |
2 days ago | 7 days ago | |
C++ | PowerShell | |
Apache License 2.0 | MIT License |
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s2geometry
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Hexagons and Hilbert Curves – The Horrors of Distributed Spatial Indices
I experimented with geospatial Hilbert Curves as a Postgres extension [0] for PostGIS using the S2 [1] spherical geometry library. S2 uses a scale free cell coverage pattern that is numbered using six interlocking space filling Hilbert Curves [2].
By having both high level (cell) and low level (cell id) geometries it was a very powerful library which allowed projection from the hilbert space into a Postgres spatial index (spgist) including various trees, like noted in this article. It appears to be still quite active in development.
[0] https://github.com/michelp/pgs2
[1] https://s2geometry.io/
[2] https://s2geometry.io/devguide/s2cell_hierarchy
- Show HN: TG – Fast geometry library in C
- Unum: Vector Search engine in a single file
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Understanding Geohashes
If you check the h3geo comparison page, you should see plenty of alternatives to geohash, such as s2 or even h3 itself.
- Evaluation of Location Encoding Systems
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Inscribed angle theorem in 3D/higher dimension
See some discussion I started at https://github.com/google/s2geometry/issues/190
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An Interactive Explanation of Quadtrees
> It was quite hard for me to find open-source implementations of linear quadtrees.
You probably know this, but the S2 library has one: https://github.com/google/s2geometry
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Why doesn’t my pokèstop show up?
https://s2geometry.io shows how this works
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Needing advice to improve geodesic calculation time
If your points are distributed globally, however, I'd suggest using something like s2geometry (calculates over a sphere instead of an ellipsoid which is much faster + already has something called S2ClosestPointQuery).
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What is the best data structure for this problem?
Some alternative solutions are S2 from Google and H3 from Uber. These don't have the same issues as geohash because they work on a 3-d model of the geoid and not a 2-d cylindrical projection like Geohash.
WSL
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GoboLinux
It absolutely 100% can be true.
As an example: Windows Services for Linux 2 used a special init daemon to interact with the host OS.
That meant no systemd. That meant that the `systemctl` program wasn't there.
This baffled legions, armies, of wannabe sysadmins.
https://stackoverflow.com/questions/55579342/why-systemd-is-...
https://superuser.com/questions/1785697/systemd-in-wsl-on-wi...
https://github.com/microsoft/WSL/issues/9477
https://askubuntu.com/questions/1132230/unable-to-run-any-sy...
People on the whole have no idea how this stuff works, and they just copy magic incantations from StackOverflow to get stuff to happen. If that doesn't work, then this OS is broken. The end.
For these guys, WSL was broken.
Result:
MS hired Lennart Poettering.
https://www.theregister.com/2022/07/07/lennart_poettering_re...
He "fixed" it. Systemd now works in WSL2. All those guides for noobs now work. Everyone is happy.
In a world where tools like Flatpak and Snap are proliferating and it's driving deep divisions between Linux distros, if you think the average person struggling with Linux is going to use `ldd` to work out where the dependencies for something live, I'm afraid you are a deep guru who lives on a different plane of existence.
We now have widely-used packaging systems which simply embed an apps entire dependency tree into a package to avoid people having to work out the difference between `apt` and `rpm`. Thousands of terabytes of disk are being burned to make this stuff go away.
Yes, this is too hard. Way too hard.
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Why Linux utilities tend to run poorly on Windows
Better source: https://github.com/Microsoft/WSL/issues/873#issuecomment-425...
- Weird graphical glitch/problem in Ubuntu WSLg (OpenGL)
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RamRamRamEveryoneSleepingOnDocker
One of the bugs where on the Docker side. As I have said, there have been several since release with a lot of impact period overlap. The latest and greatest is not resolved.
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Laravel dev in Windows - Laragon vs Docker?
It's the issue of abysmal I/O performance in communication between the mounted WSL2 virtual hard disk and Windows mounts inside the WSL2 distro.
- WSL freeze seems fixed in 2.0.12
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What's the right way to open files in the system's default program from Ubuntu 22.04 in WSL 2 please?
I found this github page and I was able to reproduce this from the answer
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Ask HN: Best Docker open source alternative?
* Docker engine and not Docker Desktop in a VM. WSL2 works well after some configuration: https://github.com/microsoft/WSL/issues/6655#issuecomment-11...
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Broadcom to Cut Almost 1,300 VMware Jobs in California After Takeover
Seems to more of a Defender issue than a WSL one, see https://github.com/microsoft/WSL/issues/8995
After adding exclusions for the fsnotifier-wsl process and and both variants of the WSL distro path my disk performance was improved.
Adding the idea64.exe process also helped since I was trying to run IntelliJ against projects inside WSL.
- Bricked WSL 2 after 2.0.9 / Windows 10
What are some alternatives?
h3 - Hexagonal hierarchical geospatial indexing system
wslg - Enabling the Windows Subsystem for Linux to include support for Wayland and X server related scenarios
S2 geometry - S2 geometry library in Go
genie - A quick way into a systemd "bottle" for WSL
0.30000000000000004 - Floating Point Math Examples
Scoop - A command-line installer for Windows.
s2 - Node.js JavaScript / TypeScript bindings for Google S2
Single-GPU-Passthrough
Kyrix - Interactive details-on-demand data visualizations at scale
setup-msys2 - GitHub Action to setup MSYS2
sled - the champagne of beta embedded databases
mkcert - A simple zero-config tool to make locally trusted development certificates with any names you'd like.