Hacker Wisdom
A collection of wisdom found in the answers to Ask HN questions.
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Everyone's trying vectors and graphs for AI memory. We went back to SQL
https://en.wikipedia.org/wiki/Query_understanding
https://github.com/gitsense/chat/blob/129210302ec06985bbd1031652460cb0649b7596/data/analyze/README.md?plain=1#L63
https://github.com/gitsense/chat/blob/main/packages/chat/widgets/app/components/chat-builder/trees/help/documentation/understanding-your-personalized-ai-search-assistant/1.md
https://github.com/gitsense/chat/blob/main/packages/chat/widgets/app/components/search/docs/gitsense/search-strategy.md
https://github.com/gitsense/chat/tree/main/data/analyze
https://news.ycombinator.com/item?id=39273954
https://news.ycombinator.com/item?id=45274440
https://pg-memories.netlify.app/
https://supabase.com/docs/guides/ai
Local hostnames without root/admin
https://anyz.one
https://cwrap.org/nss_wrapper.html
https://docs.google.com/document/d/1QQkqehw8umtAgz5z0um7THx-aoU251p705FbIQjDuGs/view
https://en.wikipedia.org/wiki/DNS_rebinding
https://github.com/Riant/host-switch-plus
https://lando.dev/
https://man7.org/linux/man-pages/man3/gethostbyname.3.html
https://nip.io/
https://superuser.com/questions/184643/override-dns-in-firefox
Anyone else's short-term memory gone to hell?
https://doi.org/10.3389/frsle.2023.1082253
https://news.ycombinator.com/item?id=45379292
Useful Keylogger for Recall
https://en.wikipedia.org/wiki/Hardware_keylogger
I downloaded the german 8 pm news every day since 2014: Ask me anything
https://en.wikipedia.org/wiki/Prime_time#Germany
WTF is up with everything using Android?
https://arstechnica.com/security/2025/06/meta-and-yandex-are-de-anonymizing-android-users-web-browsing-identifiers/
https://developer.android.com/ndk
Are there any non-SPA front end developers left?
https://htmx.org/
https://sveltekit-template.vercel.app/sverdle
Where can I genetically test myself without risking privacy?
https://www.color.com/genomics
https://nanoporetech.com/products/sequence/minion
https://vishakh.blog/2025/07/08/using-mpc-for-anonymous-and-private-dna-analysis/
Who had the crazy idea to make the stack grow down?
https://www.acsac.org/2002/papers/classic-multics.pdf
https://buildd.debian.org/status/architecture.php?a=hppa
Times the world has dodged a bullet
https://en.wikipedia.org/wiki/1983_Soviet_nuclear_false_alarm_incident
https://en.wikipedia.org/wiki/Dead_Hand
https://www.science.org/doi/10.1126/science.abq7487
https://time.com/4049403/alexander-fleming-history/
Do you have a collection of old tech?
https://www.investopedia.com/terms/c/condotel.asp
https://remarkable.com/products/remarkable-2/type-folio
Radar and radio failures at Dallas area airports
https://aviationweek.com/air-transport/cut-cables-trigger-dallas-flight-disruptions
https://www.rand.org/pubs/articles/2018/paul-baran-and-the-origins-of-the-internet.html
https://www.theguardian.com/uk-news/2025/sep/20/heathrow-airport-delays-cyber-attack-berlin-brussels-cancelled-delays
https://youtube.com/watch?v=iDbyYGrswtg
Has anyone else been unemployed for over two years?
https://www.awesomescreenshot.com/image/56548780?key=fa46166f5000e1b513840c9e7516021c
https://www.bloomberg.com/opinion/articles/2025-08-05/us-jobs-market-is-showing-signs-of-a-he-cession
https://brynet.ca/wallofpizza.html
https://www.climatetechlist.com/blog/about
https://elanora.lol/resume
https://forms.office.com/r/kKk7e6Wvre
https://www.geneticlifehacks.com/caffeine-metabolism-and-your-genes/
https://github.com/makspll/bevy_mod_scripting
https://github.com/mattwparas/steel
https://github.com/MeoMix/symbiants/
https://github.com/orgs/community/discussions/135400
https://globalnews.ca/video/11436758/business-travel-to-u-s-remains-stable-despite-dip-in-leisurely-visits-data-shows/
https://www.gov.uk/access-to-work
https://www.gov.uk/government/collections/disability-confident-campaign
https://hsph.harvard.edu/news/is-coffee-good-or-bad-for-your-health/
https://news.ycombinator.com/item?id=44226571
https://news.ycombinator.com/item?id=44771202
https://news.ycombinator.com/item?id=45305845
https://www.rcpsych.ac.uk/news-and-features/latest-news/detail/2022/10/10/hidden-waits-force-more-than-three-quarters-of-mental-health-patients-to-seek-help-from-emergency-services
https://swarmmo.games/
https://www.theverge.com/2020/5/18/21262103/microsoft-open-source-linux-history-wrong-statement
https://www.trade.gov/i-94-arrivals-program
https://www.vincit.com/blog/software-development-450-words-per-minute
Accessibility tools for knowledge workers with low vision
https://news.ycombinator.com/item?id=22918980