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Data Structure for Dynamic Discrete Probability Distributions

https://github.com/Daniel-Allendorf/proposal-array
1•jlrubin•4h ago

Comments

jlrubin•4h ago
Options like std::discrete_distribution don't allow updates, in Rust e.g. https://docs.rs/rand_distr/latest/rand_distr/weighted/struct... allows updates but sampling is O(log n) and updating is also O(log n).

This neat data structure has a great set of tradeoffs.

Show HN: Onmom – AI meal planner and calorie tracker that works from text/photo

https://onmom.vercel.app/
1•ireliamain•16s ago•0 comments

Business Cards

https://kolyder.com/business-cards/
1•kolyder•2m ago•0 comments

Show HN: I made a pattern generator for school

https://github.com/thegoodduck/Pattern_Generator
1•thegoodduck•3m ago•0 comments

Banned DDT discovered in Canadian trout 70 years after use

https://www.theguardian.com/environment/2025/apr/21/banned-ddt-discovered-in-canadian-trout-70-years-after-use-research-finds
5•pseudolus•12m ago•0 comments

My Biggest Entrepreneurial Regret

https://medium.com/@mustafaakin/my-biggest-entrepreneurial-regret-01bc20a211a4
1•CSDude•14m ago•0 comments

Updated News from Bluesky App

https://bsky.app/profile/0x0.boo/post/3lnbkilvpoc2a
1•0x0boo•19m ago•0 comments

Thailand-ubakong-technology-company-exposes-its-backups-in-Google-storage

https://medium.com/@newschu.substack.com/thailand-ubakong-technology-company-exposes-its-backups-in-google-storage-31b329830c64
1•zsta•20m ago•0 comments

Falsehoods programmers believe about time

https://gist.github.com/timvisee/fcda9bbdff88d45cc9061606b4b923ca
1•mparnisari•21m ago•1 comments

Agency Is Eating the World

https://giansegato.com/essays/agency-is-eating-the-world
3•jxmorris12•24m ago•1 comments

Local AI generates highly realistic dialogue from a transcript

https://yummy-fir-7a4.notion.site/dia
2•BUFU•27m ago•1 comments

Professional portfolios for SEO specialists – SEOfolio

https://seofolio.co
1•ivanramos•34m ago•3 comments

Leading from the Front

https://staysaasy.com/management/2025/04/20/leading-from-the-front.html
2•thisismytest•40m ago•0 comments

Building our "native-AI newsroom"

https://www.regenerator1.com/p/building-our-native-ai-newsroom
5•coloneltcb•48m ago•1 comments

Larry David: My Dinner with Adolf

https://www.nytimes.com/2025/04/21/opinion/larry-david-hitler-dinner.html
16•asnyder•51m ago•0 comments

Show HN: Bulk 301 Redirect Validation and Testing

https://redirectvalidator.com/
1•cmykey•54m ago•0 comments

Show HN: SocialBuzzAI – an AI tool that turns text into social media posts

https://socialbuzzai.com/
1•montyg•55m ago•1 comments

ICE enlists Palantir to develop all-seeing 'ImmigrationOS' to speed deportations

https://www.theregister.com/2025/04/21/ice_enlists_palantir_to_develop/
11•LinuxBender•57m ago•1 comments

Inactive components in agricultural runoff may contribute drinking water hazard

https://phys.org/news/2025-04-inactive-components-agricultural-runoff-hidden.html
2•PaulHoule•1h ago•0 comments

North Korean Cryptocurrency Thieves Caught Hijacking Zoom Remote Control Feature

https://www.securityweek.com/north-korean-cryptocurrency-thieves-caught-hijacking-zoom-remote-control-feature/
5•LinuxBender•1h ago•0 comments

Writing an LLM from scratch, part 12 – multi-head attention

https://www.gilesthomas.com/2025/04/llm-from-scratch-12-multi-head-attention
1•gpjt•1h ago•0 comments

As AI Threats Grow, Wyoming Gets a Certified Cyber Defense Training Center

https://cowboystatedaily.com/2025/04/20/as-ai-threats-grow-wyoming-gets-a-certified-cyber-defense-training-center/
1•LinuxBender•1h ago•0 comments

Show HN: Distract – No-Code and Low-Code Neural Nets in One Click

https://distract-ide.vercel.app/
1•HargunMalhotra•1h ago•0 comments

Show HN: Prompt Coded 3D Asteroids

https://asterioblocks.franzai.com/
1•franze•1h ago•0 comments

San Francancisco crime is down, way down

https://growsf.org/news/2025-04-10-crime-is-down/
7•JumpCrisscross•1h ago•0 comments

Ranger: Autonomous Horizon Sensing and Pose Estimation

https://josephcarragher.us/blogs/horizondetection.html
1•canberry•1h ago•1 comments

Frontier AI Models Fail at Basic Physical Tasks: A Manufacturing Case Study

https://adamkarvonen.github.io/machine_learning/2025/04/13/llm-manufacturing-eval.html
2•JumpCrisscross•1h ago•0 comments

Astro Mechanica Raises $27.1M for Supersonic Flight

https://www.tectonicdefense.com/exclusive-astro-mechanica-raises-27-1m-for-supersonic-flight/
1•JumpCrisscross•1h ago•0 comments

101 Basic Computer Games

https://github.com/maurymarkowitz/101-BASIC-Computer-Games
3•sohkamyung•1h ago•0 comments

Court Permanently Enjoins Ohio's Segregate-and-Suppress/Parental Consent Law

https://blog.ericgoldman.org/archives/2025/04/court-permanently-enjoins-ohios-segregate-and-suppress-parental-consent-law-netchoice-v-yost.htm
4•hn_acker•1h ago•2 comments

Europe's Undersea Opportunity

https://www.lawfaremedia.org/article/europe-s-undersea-opportunity
2•hn_acker•1h ago•0 comments