Hacker Wisdom

A collection of wisdom found in the answers to Ask HN questions.

About | Source Code | Blog Post

Tell HN: OpenAI silently removed Study Mode from ChatGPT

https://raw.githubusercontent.com/0xeb/TheBigPromptLibrary/refs/heads/main/SystemPrompts/OpenAI/chatgpt_study_mode_07292025.md

Tell HN: docker pull fails in spain due to football cloudflare block

https://hayahora.futbol/

https://www.techradar.com/vpn/vpn-privacy-security/cloudflare-wants-to-fix-spains-blocking-of-illegal-football-streams-ahead-of-next-laliga-season

https://www.techradar.com/vpn/vpn-privacy-security/la-liga-wins-court-order-requiring-nordvpn-and-proton-vpn-to-block-illegal-football-streams-in-spain-but-vpn-firms-say-they-have-not-been-notified

https://x.com/ahachete/status/2035783292549755228

Any interesting niche hobbies?

http://aagenielsen.dk

https://alejo.ch/365

https://www.alexcrompton.com/blog/how-to-learn-a-language

https://www.amazon.com/s?refresh=1&rh=n%3A7141123011%2Cp_4%3AAmCan%2BTech&linkCode=ll2&tag=everythtec0d0-20&linkId=76b0ea48fe34451b28247c44dd461374&language=en_US&ref_=as_li_ss_tl

https://www.amazon.com/Walkers-Guide-Outdoor-Clues-Signs-ebook/dp/B00H4EPBWM?dplnkId=98ac08eb-1395-43fd-a1b5-76b09113396e&nodl=1

https://www.austinmesh.org/devices/

https://blog.tombert.com/Posts/Technical/2026/03-March/The-Quest-for-Concurrent-DOS-Part-1

https://boa.ba/

https://www.bogararchery.sk/image/cache/catalog/product/bogar-assyrian-bow-1000x1000.jpg

https://crookedknives.com/

https://crpgaddict.blogspot.com/

https://dejabru.org

https://www.demoparty.net/

https://www.digikey.com/en/products/detail/syntiant/SPU0410LR5H-QB/2420974

https://doc.qubes-os.org/en/latest/introduction/statistics.html

https://en.wikipedia.org/wiki/4690_Operating_System?wprov=sfti1

https://en.wikipedia.org/wiki/Hexagonal_water

https://en.wikipedia.org/wiki/Mountain_bike_trials

https://en.wikipedia.org/wiki/Penrose_tiling

https://en.wikipedia.org/wiki/Sprint_football

https://ergosphere.blog/posts/the-machines-are-fine/

https://freesound.org/

https://github.com/abhimanyu-jain/PRML_Solutions

https://github.com/Belzedar94/Fairy-Stockfish/pull/37

https://github.com/charismaticchiu/muse

https://github.com/MichaelAPerry/FishDex

https://github.com/open-spaced-repetition/awesome-fsrs/wiki/ABC-of-FSRS

https://github.com/rdz-oss/BattyBirdNET-Analyzer

https://github.com/Suncuss/BirdNET-PiPy

https://github.com/thansen0/seabed-sim-chrono

https://gnarlypippins.com/6th-pomological-exhibition-high-highs-dry-dries-pent-up-pomona/

https://www.halfcatrocketry.com/

https://hazeguitars.com/blog/piezo-pickups-evolve

https://heritageapplecorps.org/index.php/Main_Page

https://heritageapplecorps.org/varieties/

https://www.illinoisbats.org/echolocation-jamming-moths/

https://imgur.com/a/aJqvVVw

https://imgur.com/a/Fvgfk7J

https://imgur.com/a/zmCXd8l

https://www.instagram.com/p/DUeWPKPEqQB/?igsh=bjJiM3VlM3ZxZ3k1

https://learnandsupport.getolympus.com/om-system-ambassadors/ben-salb

https://lucidbeaming.com/art/prints

https://luma.com/823kzuci?tk=IiDKu2

https://mastodon.social/@UP8/116326541009492328

https://www.mathemaknitter.com/

https://meshcore.co.uk/

https://muffinman.io/art/

https://news.ycombinator.com/item?id=40307089

https://news.ycombinator.com/item?id=45694856

https://news.ycombinator.com/item?id=47631515

https://news.ycombinator.com/item?id=47675446

https://openfabpdx.com/download/modular-fiddle-complete-design-package/

https://origami.kosmulski.org/albums/tessellation-examples

https://photos.app.goo.gl/1oNxCfKJp4k6yjoZ9

https://photos.google.com/share/AF1QipPmHtIa9vAm8wNPeTXP4MoZjOAqssOaTW5XnmBqXmlcYdKhAPglQJTcoqSJI_fAcw?key=NXJHNmd6dUFRTVY2QklLcVVrZzdzYm5sQWp3YVd3

https://pmc.ncbi.nlm.nih.gov/articles/PMC7404113/

https://polkas.github.io/posts/cursedim/

https://pomological.art/

https://www.qavvali.com/

https://scoreboardmax.com/

https://seamly.io

https://share.zight.com/wbu487ew

https://shivekkhurana.com/about

https://soundcloud.com/djoutcold/valley-boulevard-0237

https://soundcloud.com/vectordust/ion-dunes-1

https://stefanpowell.bandcamp.com/album/autonomous-drone-lullabies

https://substack.com/@vectordust

https://successfulsoftware.net/2018/02/04/volunteering-your-it-skills/

https://successfulsoftware.net/2024/08/04/making-your-own-hot-sauce/

https://suno.com/@igorstechoclub

https://takes.jamesomalley.co.uk/p/this-might-be-oversharing

https://www.tanyabonakdargallery.com/exhibitions/741-jonsi-hrafntinna-obsidian-museum-of-old-and-new-art-hobart-tasmania/

https://thespacebetween.xyz/p/sangre-y-sauna/

https://www.velocidrone.com/

https://www.verticaltubejig.com

https://vibegenealogy.ai/p/the-genealogical-research-assistant-claude-code-cowork-skill-prompt

https://xlights.org

https://year-on-facade.uk/

https://youtu.be/G1ftvw-Y6pk

https://youtu.be/I2S72eajLzw

https://youtu.be/XTnYVh7K6xQ

https://www.youtube.com/@TockCustom

https://www.youtube.com/watch?v=3lyDCUKsWZs

https://www.youtube.com/watch?v=3xo-TGkFvOg

https://www.youtube.com/watch?v=A0VYsiMtrNE

https://www.youtube.com/watch?v=EWH3vxIYZcA

https://www.youtube.com/watch?v=HMcjYD-ISv0

https://www.youtube.com/watch?v=lfTvRxcTuV0

https://www.youtube.com/watch?v=UIRDOcSQGe8

https://www.youtube.com/watch?v=VA710QYxEu0

https://www.youtube.com/watch?v=zCTLeNxge54

https://www.youtube.com/watch?v=zKx1VJsLsfk

Best books on building a programming language

https://www.amazon.ca/Anthony-J-Dos-Reis/e/B001KE4SU8/ref=dp_byline_cont_book_1

https://codespeak.dev

https://github.com/skx/foth

What are you building that's not AI related?

https://www.adashape.com/

https://agora.gdn/

https://apps.apple.com/si/app/fast-slow-fasting-tracker/id6749188352

https://asnlabels.com

https://atprotoalternatives.com

https://barcoloudly.com/

https://behavior.today

https://www.bestsellerapp.net

https://bubbles.town

https://captnemo.in/finally-foss/

https://chromewebstore.google.com/detail/leetchess/hogbcffpfhmcagfjbpiofabechljdflk

https://codeinput.com/products/merge-conflicts/online-diff

https://www.cookcook.it

https://cranki.app

https://dailyselftrack.com/

https://datrix.dev/

https://demo.numerikos.com/

https://DesktopInsights.com

https://dhuan.github.io/mock/latest/examples.html

https://www.docgoblin.com/

https://DraftPDF.com

https://dsebastien.net/community

https://dynamosql.com

https://encore.dev/

https://exploretrees.nyc/

https://findsubstack.com

https://flash.boon.gl

https://floracarta.com/

https://freeimage.host/i/image.B0iOHxt

https://GamesAgainstLoneliness.org

https://GetCozyCritter.com

https://github.com/anupshinde/godom

https://github.com/audion-lang/audion

https://github.com/boricj/ghidra-delinker-extension

https://github.com/bpdbi

https://github.com/bradphelan/nuke-engine/blob/trunk/USERGUIDE.md#compiler-config

https://github.com/eliben/watgo

https://github.com/noahomrilevin/getmarkup

https://github.com/ostefani/subnetlens

https://github.com/paulmooreparks/tela

https://github.com/prettydiff/aphorio

https://github.com/rhoopr/kei

https://github.com/sntran/web

https://github.com/true-grue/Brus-16

https://github.com/tsdevstack

https://github.com/wkhere/bcl

https://gitlab.com/geekysquirrel/memo2

https://gitlab.com/ot-tools/ot-tools

https://handsup.barryvan.com.au/

https://hnarcade.com

https://hyperscript.org

https://i.imgur.com/4afs5lv.png

https://imgur.com/a/2TIye34

https://jotalea.com.ar/

https://jsonpath101.com/

https://kastanj.ch/en?mid=hn47700460

https://kintoun.app

https://medium.com/@icelain/a-guide-to-building-a-realtime-http-audio-streaming-server-in-go-24e78cf1aa2c

https://network1.site

https://news.ycombinator.com/item?id=47679021

https://nottawa.app

https://omiword.com

https://openfret.com/game/demo

https://overreacted.io/a-social-filesystem/

https://pginbox.dev

https://picpocket.io

https://pumperly.com

https://sciactive.com/2026/01/21/our-stance-on-ai-in-email/

https://shapemachine.xyz/tusk

https://shopsheets.co

https://www.sign-n-post.com/

https://skullrocksoftware.com

https://stackaudit.heckstet.com/

https://store.steampowered.com/app/4069810/VERDURE/

https://store.steampowered.com/app/4269050/Cars_on_Mars/

https://storymode-sigma.vercel.app/

https://strandfall.com

https://stringscales.com

https://subalpinecircuits.com/

https://SupplementDEX.com

https://thevaultdj.com

https://todofi.com/

https://tolearnkorean.com/

https://tomatillotimer.com/

https://www.tractorfan.app

https://trianguloy.github.io/githubPages/SplitBill/splitBill.html

https://trustworthy.technology/

https://web.archive.org/web/20160304013451/https://wormhole.network/

How do you handle marketing as a solo technical founder?

https://30x500.com/academy/

https://github.com/mickael-kerjean/filestash

https://www.linkedin.com/in/lazarbogosavljevic/

https://www.marketingmonk.so/p/salesforce-grit-to-giant-marketing-strategy

https://news.ycombinator.com/item?id=47380295

https://play.google.com/store/apps/details?id=com.macrocodex.app

https://seaquel.app

https://www.youtube.com/watch?v=yAnbZMoQvmQ

Has anyone reconsidered Antivirus software after recent security news?

https://github.com/DataDog/supply-chain-firewall

Why Databases Instead of Filesystem?

https://archive.fosdem.org/2021/schedule/event/new_type_of_computer/

https://en.wikipedia.org/wiki/ISAM

https://www.sqlite.org/fasterthanfs.html

https://sqlite.org/fasterthanfs.html#approx

Any Open Source projects in need of documentation writer?

https://diataxis.fr/

https://files.portaudio.com/archives/pa_v19_doxydocs.tgz

https://github.com/afadil/wealthfolio

https://github.com/AnalogJ/scrutiny

https://github.com/git-bug/git-bug

https://taler.net/

https://taxonworks.org

https://up-for-grabs.net/#/filters?date=6months&labels=&tags=documentation

My AI workflow evolved from prompts to a near-autonomous workflow

https://codeaholicguy.com/2026/04/11/how-my-ai-workflow-evolved-from-prompts-to-workflow/

Zooming UIs in 2026: Prezi, impress.js, and why I built something different

https://www.a11yproject.com/posts/understanding-vestibular-disorders/

https://mindscopeapp.com

https://www.windowmaker.org/

https://www.youtube.com/watch?v=G6yPQKt3mBA