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Raspberry Pi Lidar Scanner

https://github.com/PiLiDAR/PiLiDAR
199•Venn1•3h ago•45 comments

The Web Is Broken – Botnet Part 2

https://jan.wildeboer.net/2025/04/Web-is-Broken-Botnet-Part-2/
159•todsacerdoti•3h ago•67 comments

The Art of Assembly Language (2010)

https://www.plantation-productions.com/Webster/www.artofasm.com/Linux/HTML/AoATOC.html
33•ibobev•1h ago•6 comments

Ssl.com: DCV bypass and issue fake certificates for any MX hostname

https://bugzilla.mozilla.org/show_bug.cgi?id=1961406
108•xPaw•3h ago•26 comments

Librarians are dangerous

https://bradmontague.substack.com/p/librarians-are-dangerous
305•mooreds•7h ago•308 comments

Electromagnetism as a Purely Geometric Theory

https://iopscience.iop.org/article/10.1088/1742-6596/2987/1/012001
12•andyjohnson0•53m ago•1 comments

Android phones will soon reboot themselves after sitting unused for three days

https://arstechnica.com/gadgets/2025/04/android-phones-will-soon-reboot-themselves-after-sitting-unused-for-3-days/
226•namanyayg•9h ago•179 comments

The Icelandic Voting System

https://smarimccarthy.is/posts/2024-11-25-voting-system/
51•alexharri•2h ago•28 comments

First baby born in UK to woman with transplanted womb

https://www.bbc.com/news/articles/c78jd517z87o
145•gmays•2d ago•139 comments

Monsky's Theorem

https://mathmondays.com/monskys-theorem
3•hyperbrainer•56m ago•0 comments

Packing Input Frame Context in Next-Frame Prediction Models for Video Generation

https://lllyasviel.github.io/frame_pack_gitpage/
208•GaggiX•8h ago•25 comments

Vibe Coding is not an excuse for low-quality work

https://addyo.substack.com/p/vibe-coding-is-not-an-excuse-for
72•saikatsg•2h ago•64 comments

Claude Code: Best practices for agentic coding

https://www.anthropic.com/engineering/claude-code-best-practices
243•sqs•11h ago•141 comments

The Animals That Exist Between Life and Death

https://nautil.us/the-animals-that-exist-between-life-and-death-1202592/
28•dnetesn•2d ago•11 comments

An Image of the Australian Desert Illuminates Satellite Pollution

https://www.thisiscolossal.com/2025/04/a-stunning-image-of-the-australian-desert-illuminates-the-growing-problem-of-satellite-pollution/
47•surprisetalk•5h ago•32 comments

How to Force Your Kids to Do Math?

https://blog.avocados.ovh/posts/how-to-force-your-kids-to-do-math/
29•happycats•3h ago•11 comments

Infisical (YC W23) Is Hiring Design Engineer in San Francisco

https://www.ycombinator.com/companies/infisical/jobs/I8zvnRW-design-engineer-san-francisco
1•dangtony98•5h ago

How to Write a Fast Matrix Multiplication from Scratch with Tensor Cores (2024)

https://alexarmbr.github.io/2024/08/10/How-To-Write-A-Fast-Matrix-Multiplication-From-Scratch-With-Tensor-Cores.html
83•skidrow•7h ago•5 comments

Unpowered SSD endurance investigation finds data loss and performance issues

https://www.tomshardware.com/pc-components/storage/unpowered-ssd-endurance-investigation-finds-severe-data-loss-and-performance-issues-reminds-us-of-the-importance-of-refreshing-backups
47•progval•2h ago•11 comments

Restoring the Galaxian3 Theatre 6, 1992 six player arcade machine

https://philwip.com/2025/04/14/galaxian-3-project-revival/
177•countrymile•12h ago•39 comments

Silicon Valley crosswalk buttons apparently hacked to imitate Musk, Zuck voices

https://www.paloaltoonline.com/technology/2025/04/12/silicon-valley-crosswalk-buttons-apparently-hacked-to-imitate-musk-zuckerberg-voices/
197•coloneltcb•6d ago•40 comments

Consistent Hash Ring

https://gallery.selfboot.cn/en/algorithms/hashring
30•jcartw•2d ago•9 comments

Inferring the Phylogeny of Large Language Models

https://arxiv.org/abs/2404.04671
59•weinzierl•8h ago•5 comments

Inside ArXiv

https://www.wired.com/story/inside-arxiv-most-transformative-code-science/
63•fprog•3h ago•10 comments

Why drinking coffee in Iran has become so complicated

https://adelbordbari.github.io/etc/2025-04-16-coffee/
72•imnitwit•3d ago•75 comments

Molecular clock: bacteria used oxygen long before widespread photosynthesis

https://phys.org/news/2025-04-molecular-clock-analysis-bacteria-oxygen.html
3•PaulHoule•3d ago•0 comments

Zack: A Simple Backtesting Engine in Zig

https://github.com/zerotech-studio/zack
62•sksxihve•2d ago•4 comments

A Map of British Dialects (2023)

https://starkeycomics.com/2023/11/07/map-of-british-english-dialects/
192•gregorvand•14h ago•144 comments

Show HN: Goldbach Conjecture up to 4*10^18+7*10^13

https://medium.com/@jay_gridbach/grid-computing-shatters-world-record-for-goldbach-conjecture-verification-1ef3dc58a38d
218•jay_gridbach•15h ago•117 comments

Notes on a claim that a mceliece348864 distinguisher uses only 2^529 operations [pdf]

https://classic.mceliece.org/mceliece-529-20250417.pdf
6•nabla9•2d ago•1 comments
Open in hackernews

Consistent Hash Ring

https://gallery.selfboot.cn/en/algorithms/hashring
30•jcartw•2d ago

Comments

jcartw•2d ago
Interactive Consistent HashRing Visualization
packetlost•2h ago
If you're looking for an application of these, the DynamoDB paper is a really great read: https://www.allthingsdistributed.com/files/amazon-dynamo-sos...
eulenteufel•2h ago
Curious, I just learned about hash rings last week when setting up the ironic openstack service [0].

[0] https://docs.openstack.org/ironic/latest/_modules/ironic/com...

samwho•1h ago
Love this.
__turbobrew__•1h ago
Do virtual nodes actually help?

From what I can see in the UI, nodes are placed semi randomly on the ring (probably a hash itself determines the node placement) so don’t you still have the same problem that the hashing of virtual nodes onto the ring can still cause imbalances?

To me it seems like you should be trying to put new nodes on the ring within the largest gaps on the ring.

swinglock•1h ago
Add enough random nodes and eventually it will be even, so it helps.
__turbobrew__•1h ago
Why not just make the nodes even from the start? Place new nodes in the largest existing gap between any pair of nodes.
lsecondario•34m ago
In a distributed system all clients would need to agree on the largest existing gap under various messaging anomalies. If you have a mechanism to reach that agreement then you can probably use a simpler deterministic load balancing algo. Consistent hashing gives you eventually consistent routing without (synchronous) agreement.
rad_gruchalski•56m ago
This is how Apache Cassandra works: https://docs.datastax.com/en/cassandra-oss/3.0/cassandra/arc....