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DuckDB Internals: Why Is DuckDB Fast? (Part 1)

https://www.greybeam.ai/blog/duckdb-internals-part-1
115•marklit•2d ago•47 comments

So You Want to Define a Well-Known URI

https://mnot.net/blog/2026/well_known_uris
29•ingve•1h ago•7 comments

Project Valhalla, Explained: How a Decade of Work Arrives in JDK 28

https://www.jvm-weekly.com/p/project-valhalla-explained-how-a
16•philonoist•1h ago•3 comments

To study how chips work, MIT researchers built their own operating system

https://news.mit.edu/2026/to-study-how-chips-really-work-mit-researchers-built-their-own-operatin...
155•speckx•3d ago•17 comments

Gribouille 0.3.0: A Grammar of Graphics for Typst

https://mickael.canouil.fr/posts/2026-06-15-gribouille-0-3/
57•mcanouil•3d ago•13 comments

Zen and the Art of Machine Learning Research

https://blog.jxmo.io/p/zen-and-the-art-of-machine-learning
30•jxmorris12•3d ago•7 comments

I found 10k GitHub repositories distributing Trojan malware

https://orchidfiles.com/github-repositories-distributing-malware/
769•theorchid•20h ago•197 comments

Zero-Touch OAuth for MCP

https://blog.modelcontextprotocol.io/posts/enterprise-managed-auth/
183•niyikiza•9h ago•65 comments

Datasette Apps: Host custom HTML applications inside Datasette

https://simonwillison.net/2026/Jun/18/datasette-apps/
70•lumpa•6h ago•24 comments

DARPA Heavy Life Challenge

https://www.darpa.mil/research/challenges/lift
15•mhb•2h ago•11 comments

Building a robotics research setup that lives next to my desk

https://dfdxlabs.com/research/2026/robotics-setup/
68•mplappert•16h ago•24 comments

Ice water drowning survival of young patient (2025)

https://www.jacc.org/doi/10.1016/j.jaccas.2025.104885
122•js2•3h ago•80 comments

Generative AI Is Having Its Herbalife Moment

https://www.whatwelo.st/p/generative-ai-is-having-its-herbalife
25•watermelon0•2h ago•16 comments

Ubiquiti: Enterprise NAS, Built on ZFS

https://blog.ui.com/article/introducing-enterprise-nas
321•ksec•17h ago•279 comments

Show HN: Talos – Open-source WASM interpreter for Lean

https://github.com/cajal-technologies/talos
48•mfornet•18h ago•5 comments

CS 6120: Advanced Compilers: The Self-Guided Online Course (2020)

https://www.cs.cornell.edu/courses/cs6120/2025fa/self-guided/
355•ibobev•20h ago•51 comments

Cell-based architecture for resilient payment systems

https://americanexpress.io/cell-based-architecture-for-resilient-payment-systems/
117•birdculture•3d ago•47 comments

Many Let's Encrypt renewals had errors today

https://letsencrypt.status.io/#2026
131•widdakay•3h ago•80 comments

.gitignore Isn't the only way to ignore files in Git

https://nelson.cloud/.gitignore-isnt-the-only-way-to-ignore-files-in-git/
394•FergusArgyll•21h ago•124 comments

Flexport (YC W14) Is Hiring in Indonesia, India, and Thailand

https://www.flexport.com/company/careers/
1•thedogeye•6h ago

How Japan's railways stayed one while splitting apart

https://arun.is/blog/jr-logo/
83•ddrmaxgt37•1d ago•66 comments

Hospitals and universities repurposing drugs at lower cost

https://www.kcl.ac.uk/news/hospitals-and-universities-repurposing-drugs-at-90-lower-cost
302•giuliomagnifico•21h ago•132 comments

I told them forced consent was unlawful. 5 years later it cost Elkjop €1.8M

https://www.thatprivacyguy.com/blog/elkjop-forced-consent-fine/
353•speckx•13h ago•185 comments

The ISA Doesn't Matter Where It Counts

https://www.chipstrat.com/p/the-isa-doesnt-matter-where-it-counts
4•ksec•1h ago•2 comments

Akse3D – open-source 3D modelling anyone can master

https://akse3d-en.skaperiet.no
11•joachimhs•3d ago•1 comments

If your product is Great, it doesn't need to be Good (2010)

http://paulbuchheit.blogspot.com/2010/02/if-your-product-is-great-it-doesnt-need.html
69•skogstokig•3d ago•40 comments

Show HN: Are You in the Weights?

https://www.intheweights.com/
319•turtlesoup•11h ago•176 comments

W Social, public institutions and the theater of European digital sovereignty

https://blog.elenarossini.com/w-social-public-institutions-and-the-theater-of-european-digital-so...
202•nemoniac•19h ago•137 comments

Horizons JPL Solar System Data Demo and NASA DSN Updates: Datastar, Common Lisp

https://horizons.lambda-combine.net/
48•adityaathalye•4d ago•1 comments

Launch HN: TesterArmy (YC P26) – Agents that test web and mobile apps

https://tester.army
116•okwasniewski•17h ago•52 comments
Open in hackernews

A Taxonomy of Bugs

https://ruby0x1.github.io/machinery_blog_archive/post/a-taxonomy-of-bugs/index.html
52•lissine•1y ago

Comments

mannykannot•1y 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•1y 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•1y 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•1y 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•1y 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•1y ago
Congratz, you've invented regression tests.
quantadev•1y 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•1y 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•1y ago
> And my intentions were not to belittle, but to praise.

With the stock eyeroll dismissal phrase.

alilleybrinker•1y 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•1y 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•1y 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•1y ago
John Carmack uses a debugger
quantadev•1y 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•1y ago
Good thing he has knights in shining armor like you to defend him from my nasty insults.
quantadev•1y ago
Good thing you can admit what you were doing.
bheadmaster•1y ago
Good thing you can understand sarcasm.
quantadev•1y ago
but your sarcasm was truthful.
bheadmaster•1y ago
but it wasn't.
quantadev•1y ago
Well in that case...Congratz, you've invented sarcasm.
bheadmaster•1y ago
Congratz, you've invented obnoxiousness.
quantadev•1y ago
Not "independently reinvented" ?
readthenotes1•1y ago
I was aware of unit testing before it had a name ... Desperation is the mother of intervention
quantadev•1y ago
Yep, I "independently reinvent" the wheel every day I guess, because I, ya know...use wheels.