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Private equity firms acquired more than 500 autism centers in past decade: study

https://www.brown.edu/news/2026-01-07/private-equity-autism-centers
123•hhs•1h ago•61 comments

Show HN: Librario, a book metadata API that aggregates G Books, ISBNDB, and more

24•jamesponddotco•1h ago•11 comments

Show HN: I used Claude Code to discover connections between 100 books

https://trails.pieterma.es/
197•pmaze•8h ago•68 comments

Finding and fixing Ghostty's largest memory leak

https://mitchellh.com/writing/ghostty-memory-leak-fix
210•thorel•6h ago•50 comments

Open Chaos: A self-evolving open-source project

https://www.openchaos.dev/
299•stefanvdw1•9h ago•62 comments

Show HN: Play poker with LLMs, or watch them play against each other

https://llmholdem.com/
53•projectyang•5h ago•32 comments

Eulogy for Dark Sky, a data visualization masterpiece (2023)

https://nightingaledvs.com/dark-sky-weather-data-viz/
363•skadamat•12h ago•156 comments

AI is a business model stress test

https://dri.es/ai-is-a-business-model-stress-test
149•amarsahinovic•8h ago•188 comments

Code and Let Live

https://fly.io/blog/code-and-let-live/
201•usrme•1d ago•68 comments

1970 Paris, cut into a grid and photographed

https://paris1970.jeantho.eu/index.html
16•panic•1w ago•4 comments

Show HN: GlyphLang – An AI-first programming language

12•goose0004•1h ago•8 comments

Code Is Clay

https://campedersen.com/code-is-clay
24•ecto•5h ago•13 comments

Overdose deaths are falling in America because of a 'supply shock': study

https://www.economist.com/united-states/2026/01/08/why-overdose-deaths-are-falling-in-america
62•marojejian•5h ago•42 comments

Rats caught on camera hunting flying bats

https://scienceclock.com/rats-caught-on-camera-hunting-flying-bats-for-the-first-time/
71•akg130522•6h ago•8 comments

Show HN: mcpc – Universal command-line client for Model Context Protocol (MCP)

https://github.com/apify/mcp-cli
5•jancurn•4d ago•2 comments

ASCII-Driven Development

https://medium.com/@calufa/ascii-driven-development-850f66661351
89•_hfqa•2d ago•62 comments

ChatGPT Health is a marketplace, guess who is the product?

https://consciousdigital.org/chatgpt-health-is-a-marketplace-guess-who-is-the-product/
221•yoaviram•2d ago•229 comments

The eight ways that all the elements in the Universe are made (2021)

https://bigthink.com/starts-with-a-bang/8-ways-elements-made/
48•zdw•5d ago•20 comments

I replaced Windows with Linux and everything's going great

https://www.theverge.com/tech/858910/linux-diary-gaming-desktop
530•rorylawless•9h ago•451 comments

Side-by-side comparison of how AI models answer moral dilemmas

https://civai.org/p/ai-values
67•jesenator•2d ago•44 comments

A child in the state of nature

https://lareviewofbooks.org/article/a-child-in-the-state-of-nature/
9•Caiero•3d ago•0 comments

UpCodes (YC S17) is hiring PMs, SWEs to automate construction compliance

https://up.codes/careers?utm_source=HN
1•Old_Thrashbarg•8h ago

New information extracted from Snowden PDFs through metadata version analysis

https://libroot.org/posts/going-through-snowden-documents-part-4/
277•libroot•13h ago•115 comments

Org Mode Syntax Is One of the Most Reasonable Markup Languages for Text (2017)

https://karl-voit.at/2017/09/23/orgmode-as-markup-only/
243•adityaathalye•15h ago•172 comments

Extracting books from production language models (2026)

https://arxiv.org/abs/2601.02671
23•logicprog•4h ago•2 comments

How wolves became dogs

https://www.economist.com/christmas-specials/2025/12/18/how-wolves-became-dogs
101•mooreds•5d ago•87 comments

How your high school affects your chances of UC Admission

https://sfeducation.substack.com/p/how-your-high-school-affects-your
60•mutator•2d ago•133 comments

Varnish and Virtue

https://literaryreview.co.uk/varnish-virtue
5•prismatic•2d ago•0 comments

UK Orders Ofcom to Explore Encryption Backdoors

https://reclaimthenet.org/uk-orders-ofcom-to-explore-encryption-backdoors
74•worldofmatthew•3h ago•25 comments

NASA announces unprecedented return of sick ISS astronaut and crew

https://www.livescience.com/space/space-exploration/nasa-cancels-spacewalk-and-considers-early-cr...
92•bookofjoe•11h ago•87 comments
Open in hackernews

A Taxonomy of Bugs

https://ruby0x1.github.io/machinery_blog_archive/post/a-taxonomy-of-bugs/index.html
52•lissine•8mo ago

Comments

mannykannot•8mo ago
Here's a step 0 for your debugging strategy: spend a few minutes thinking about what could account for the bug. Prior to its occurrence, you are thinking about what could go wrong, but now you are thinking about what did go wrong, which is a much less open-ended question.
marginalia_nu•8mo ago
I've had large success by treating the bug as a binary search problem as soon as I identify an initial state that's correct and a terminal state that's incorrect. It seems like a lot of work, but that's underestimating just how fast binary searches are.

Depends of course on the nature of the bug whether it's a good strategy.

readthenotes1•8mo ago
I was such a bad developer that I realized I had to automate the re-running of parts of the system to find the bugs.

Of course, the code I wrote to exercise the code I wrote had bugs, but usually I wouldn't make offsetting errors.

It didn't fix all the problems I made, but it helped. And it helped to have the humility when trying to fix code to realize I wouldn't get it the first time, so should automate replication

bheadmaster•8mo ago
> I had to automate the re-running of parts of the system to find the bugs

Congratz, you've independently invented integration tests.

tough•8mo ago
I don't always test but adding a lil test after finding and fixing a bug so you don't end up there again a second time is a great practice
bheadmaster•8mo ago
Congratz, you've invented regression tests.
quantadev•8mo ago
Congrats, you've found someone who failed to invoke a buzzword that you know.

EDIT: But Acktshally `the code I wrote to exercise the code I wrote` is a description of "Unit Testing", not integration testing.

bheadmaster•8mo ago
Unit/integration tests are anything but a buzzword. And my intentions were not to belittle, but to praise.

Some actions simply make so much sense to do, that any sensible person (unaware of the concept) will start doing them given enough practice, and in process they "reinvent" a common method.

keybored•8mo ago
> And my intentions were not to belittle, but to praise.

With the stock eyeroll dismissal phrase.

quantadev•8mo ago
As far as you knew that guy was aware what Unit Testing was since well before you were born. lol. I'm sure he appreciates all your nice compliments.
bheadmaster•8mo ago
Good thing he has knights in shining armor like you to defend him from my nasty insults.
quantadev•8mo ago
Good thing you can admit what you were doing.
bheadmaster•8mo ago
Good thing you can understand sarcasm.
quantadev•8mo ago
but your sarcasm was truthful.
bheadmaster•8mo ago
but it wasn't.
quantadev•8mo ago
Well in that case...Congratz, you've invented sarcasm.
bheadmaster•7mo ago
Congratz, you've invented obnoxiousness.
quantadev•7mo ago
Not "independently reinvented" ?
readthenotes1•8mo ago
I was aware of unit testing before it had a name ... Desperation is the mother of intervention
quantadev•7mo ago
Yep, I "independently reinvent" the wheel every day I guess, because I, ya know...use wheels.
alilleybrinker•8mo ago
There's also the Common Weakness Enumeration (CWE), a long-running taxonomy of software weaknesses (meaning types of bugs).

https://cwe.mitre.org/

Animats•8mo ago
The Third-Party Bug

Is the party responsible for the bug bigger than you? If yes, it's your problem. If no, it's their problem.

marginalia_nu•8mo ago
A subcategory of the design flaw I find quite a lot is the case where the code works exactly as intended, it's just not having the desired effect because of some erroneous premise.
djmips•8mo ago
John Carmack uses a debugger