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RRB-Trees: Efficient Immutable Vectors

https://infoscience.epfl.ch/server/api/core/bitstreams/e5d662ea-1e8d-4dda-b917-8cbb8bb40bf9/content
17•azhenley•1d ago

Comments

wasting_time•1d ago
A refreshing break from Molt News. Now I want to check how vectors are implemented in my favorite languages.
inhumantsar•1d ago
the `im` rust crate provides immutable data structures, one of them being an RRB-based Vec. don't remember what the stdlib Vec uses.
oniony•18h ago
I believe Vec is a straight array underneath, which is reallocated at a larger size when full. And Vector in the `im` crate you mentioned looks very interesting indeed.
erichocean•5h ago
If you like this kind of thing, Bifurcan [0] is a Java library with implementations of RBB-trees and related (fast) immutable data structures.

[0] https://github.com/lacuna/bifurcan

With crossplanes, Helm is all you need

https://medium.com/zencity-engineering/now-the-infrastructure-is-boring-too-and-thats-still-a-com...
1•alonisser•1m ago•1 comments

Cogent France: « perform an orderly shutdown of your equipment »

https://www.mail-archive.com/frnog@frnog.org/msg80526.html
1•southerntofu•3m ago•0 comments

Did AI write this article?

https://www.economist.com/graphic-detail/2026/06/16/did-ai-write-this-article
1•ijidak•9m ago•0 comments

Is AI Coming for Our Jobs?

https://jacobin.com/2026/02/ai-technology-productivity-growth-job-loss
2•one33seven•14m ago•0 comments

VSCode Blogs

https://code.visualstudio.com/blogs
2•saikatsg•15m ago•0 comments

The Tokenpocalypse:Companies Are Scrambling to Stop Spending So Much on AI

https://www.404media.co/the-tokenpocalypse-is-here-companies-are-scrambling-to-stop-spending-so-m...
1•Gedxx•15m ago•0 comments

Show HN:Another alternative against Codex Record and Replay

https://www.visualbuild.me
2•visualbuildme•16m ago•0 comments

Wikipedia advocacy shapes LLM values

https://arxiv.org/abs/2606.24890
1•50kIters•17m ago•0 comments

Make AI Boring Again

https://charitydotwtf.substack.com/p/make-ai-boring-again
2•BerislavLopac•26m ago•0 comments

Robert Schiller: This Doommaxxing Has Got to Stop

https://www.nytimes.com/2026/06/22/opinion/ai-doom-jobs-economy.html
1•benwen•26m ago•1 comments

Questions

https://forms.cloud.microsoft/r/PZDe3Z3Nzdhttps://forms.cloud.microsoft/r/PZDe3Z3Nzd
3•InjiChoe•31m ago•1 comments

Show HN: Japanese Language AI Tutor in 3D classroom

https://unihongo.com
3•trinhngocdieu•39m ago•0 comments

The Empty Field That Wasn't: GPS, OTAD and Two Decades of Encrypted Broadcasts

https://sjmurdoch.github.io/gps-special-messages/
1•fratellobigio•39m ago•0 comments

Measuring Is Not Enough Anymore

https://fi-le.net/evals/
2•fi-le•40m ago•0 comments

Vibecoded app giving you the vibes

https://wristbreak.app
3•qtl•43m ago•0 comments

AI-website-cloner-template: Clone any website using AI coding agents

https://github.com/JCodesMore/ai-website-cloner-template
4•vantareed•49m ago•0 comments

Half-Life 2 in a Browser

https://hl2.slqnt.dev/
53•panza•49m ago•11 comments

Show HN: LoveInvoice – a free invoice tool for freelancers and small businesses

https://loveinvoice.com
1•rkn7•49m ago•0 comments

Bad Epoll: The bug Mythos missed

https://compsec.snu.ac.kr/blog/badepoll
6•j-jaeyoung•50m ago•1 comments

How Big Tech Hides the True Cost of the AI Buildout [video]

https://www.youtube.com/watch?v=YrJzjC4kKCY
1•AbbeFaria•54m ago•0 comments

Ask HN: What do you do to save tokens?

3•bonigv•55m ago•0 comments

India trades over four-fifths of the equity options. Nine in ten lose

https://indiadispatch.com/p/nse-ipo
3•bahularora•56m ago•0 comments

Ask HN: What was the biggest contributor to your happiness in the past year?

3•chistev•58m ago•2 comments

Faster KNN search in Manticore: 2-pass HNSW, batched distances, and AVX-512

https://manticoresearch.com/blog/knn-hnsw-performance/
1•snikolaev•59m ago•0 comments

A 25-Year-Old Blog Looks Back at 40 Years of Computing

https://www.markround.com/blog/2026/06/17/25-its-only-when-you-look-back/
3•damethos•1h ago•0 comments

Nakba Exhibition in Canadian Museum of Human Rights

https://humanrights.ca/exhibition/palestine-uprooted-nakba-past-and-present
2•xg15•1h ago•0 comments

Treat the Context Window as a Data Assembly Problem

https://klr-pattern.github.io/pydantic-resolve/blog_context_assembly_for_llm/
2•tank-34•1h ago•0 comments

Americans are inundated with suspected scams

https://apnews.com/article/poll-scams-law-enforcement-social-media-389f8d824b89fa434c297729f2aaf56d
3•rawgabbit•1h ago•3 comments

The Ancient Horsemen Who Created the Modern World [pdf]

https://reich.hms.harvard.edu/sites/reich.hms.harvard.edu/files/inline-files/The%20Ancient%20Hors...
1•andsoitis•1h ago•0 comments

What is China's SpaceSail, and could it rival Elon Musk's Starlink?

https://www.theguardian.com/world/2026/jun/25/china-spacesail-rival-elon-musk-starlink-space-sate...
1•giuliomagnifico•1h ago•0 comments