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Tell HN: Claude Code now detects bugs in its own code

1•jmathai•16s ago•0 comments

Why Conn3x is one tool

https://conn3x.org/blog/why-conn3x
1•jamesconwaydev•2m ago•0 comments

Show HN: UnicornFork a Chess AI That Is Fact Checked by Stockfish

https://www.unicornfork.com/
1•ArneVogel•2m ago•0 comments

A democracy unable to learn cannot endure

https://shows.acast.com/cognitive-republic-building-societies-that-experiment-learn/episodes/6ade...
1•smomara•4m ago•1 comments

POSIX Wordexp(3) Is Dangerous

https://yossarian.net/til/post/posix-wordexp-3-is-dangerous/
1•birdculture•7m ago•0 comments

Show HN: Wraps – Resend-style email on your own AWS SES, open source

https://wraps.dev
14•stewartjarod•7m ago•0 comments

The EPA Is Quietly Killing Its Web Archive

https://www.motherjones.com/environment/2026/10/epa-online-archive-deletion-zeldin-camp-lejeune-t...
5•robtherobber•8m ago•0 comments

Production of Preferences: Minimalism as Industrial Logic Rather Than Aesthetic

https://medium.com/@smoking2man/production-of-preferences-minimalism-as-industrial-logic-rather-t...
1•Aldus551•9m ago•0 comments

Show HN: Tabichat – a control room for your agent fleet (mTLS MQTT IoT broker)

https://tabichat.dev/index.html
2•tabith•10m ago•0 comments

Brazil election: How 'Lula's Army' WhatsApp channel helped turn race around

https://www.bbc.com/news/articles/cwz0vg4v3ndeo
2•rbanffy•11m ago•0 comments

Show HN: A linter for PLC code – the defects compile fine and fail on site

https://github.com/caspershes/plc-lint
1•caspershes•11m ago•0 comments

Sovereign Citizens, but for News

https://pluralistic.net/2026/10/26/abandon-hope/#all-ye-who-enter-here
2•samizdis•12m ago•0 comments

Got HI – User-controlled web filter restoring signal over synthetic noise

https://github.com/ishii-gothi-lead/got-hi
1•ishii-gothi-lea•13m ago•0 comments

Why the search for particle dark matter is hopeless, part 1

https://tritonstation.com/2026/10/26/why-the-search-for-particle-dark-matter-is-hopeless-part-1/
1•MattPalmer1086•13m ago•1 comments

Jev and the Art of Truth Maintenance

https://daniel.du-pless.is/jev-and-the-art-of-truth-maintenance
1•DanielDuPlessis•13m ago•0 comments

Ask HN: What are your career plans in the age of AI?

3•akudha•13m ago•0 comments

How I made it possible to pretrain a 1B LLM on 6GB VRAM

https://huggingface.co/blog/RitishReal/1b-petrain-llm-in-4gb-vram
2•komalbarun•14m ago•0 comments

Notational Velocity

https://notational.net/
1•Tomte•15m ago•0 comments

DAC-peq-manager: WebHID and Rust hardware PEQ flasher for USB DACs

https://github.com/JohnnyGuerra/dac-peq-manager
1•johnnyguerra•17m ago•0 comments

Skydance offers buyouts, orders return to office

https://variety.com/2026/film/news/skydance-voluntary-buyouts-layoffs-5-days-per-week-in-office-p...
6•metabagel•18m ago•0 comments

GPT-6.1 Terra (Max) Scores 48 on Artificial Analysis

https://artificialanalysis.ai/models/gpt-6-1-terra
22•theanonymousone•20m ago•0 comments

A Voluntary Exit Offer

https://blogs.microsoft.com/blog/2026/10/26/introducing-a-voluntary-exit-offer/
3•HelloUsername•20m ago•0 comments

I'm Not Doing 996

https://www.elenaverna.com/p/im-not-doing-996
3•Anon84•20m ago•0 comments

Walter Koenig, Chekov from 'Star Trek,' Has Died

https://www.nytimes.com/2026/10/26/arts/television/walter-koenig-chekov-star-trek-dead.html
6•donohoe•21m ago•2 comments

Show HN: ShowMe – presentation editor with local asset library

https://github.com/KonradJuenger/ShowMe
1•con____rad•22m ago•0 comments

What a Wayland compositor can and can't protect you from

https://demiguru.codeberg.page/wayland-compositor-threat-model/
2•DemiGuru•26m ago•0 comments

A Distributed Magnetic Optimization Algorithm (MOA) Swarm Running on Numax

https://github.com/GianIac/numax/tree/main/examples/distributed_magnets
2•gianiac•28m ago•0 comments

The Software Factory Forgot About Design

https://atifaz.am/writing/the-software-factory-forgot-about-design
2•atifazam•29m ago•0 comments

Walter Koenig, star of Star Trek, dies aged 90

https://www.rte.ie/entertainment/2026/1026/1596876-walter-koenig-star-of-star-trek-dies-aged-90/
6•austinallegro•30m ago•0 comments

Microsoft offers 60k employees a voluntary exit

https://twitter.com/Amanda_Goodall/status/2114748370954985906
4•m348e912•30m ago•0 comments
Open in hackernews

I asked Gemini for a script to move files to Cloudflare R2. It deleted them

https://twitter.com/levelsio/status/1921974501257912563
6•bundie•1y ago

Comments

qwertox•1y ago
Rule #1: Always put deletions behind a flag which is disabled for the first couple of test runs.
turtleyacht•1y ago
It was truncating filenames, so /pics/1003-46.png overwrote /pics/1003-45.png because both were renamed /pics/1003-.png, or something like that.
qwertox•1y ago
Truncating file names for the target. Then it proceeded to delete the source file. "Successfully deleted local file: ..."

I mean, look at the printout. It shows that it created the remote file with the truncated filename, then deletes the local file with the correct filename.

turtleyacht•1y ago
Oh, I see. Having a flag to skip deletion during test runs is a good rule then.
rvz•1y ago
Recently there was a story about an updater causing a $8,000 bill because there was a lack of basic automated tests to catch the issue. [0]

The big lesson here is that you should actually test the code you write and also write automated tests to check any code generated by an LLM that the code is correct in what it does.

It is also useless to ask another AI to check for mistakes created by another LLM. As you can see in the post, both of them failed to catch the issue.

This why I don't take this hype around 'vibe-coding' seriously since not only it isn't software engineering, it promotes low quality and carelessness over basic testing and dismisses in checking that the software / script works as expected.

Turning $70 problems found in development into $700,000+ costs in production.

There are no more excuses in not adding tests.

[0] https://news.ycombinator.com/item?id=43829006

victorbjorklund•1y ago
Who runs such an AI generated script without checking the code first?
qwertox•1y ago
To be fair, the code Gemini outputs in AI Studio is so extremely verbose that it is almost impossible to read through it.

It turns 10 lines of code which is perfectly fine to reason about into 100 lines of unreadable code full of comments and exception handling.

weatherlite•1y ago
Right so lets just always run the code as is ?
qwertox•1y ago
No. Not at all. I've settled to discussing my code with Gemini. That way it works very well. I explicitly say "Comment on my code and discuss it" or "Let's discuss code for a script doing this and that. Generate me an outline and let's see where this leads. Don't put comments in the code, nor exception handling, we're just discussing it".

Or you create elaborate System Instructions, since it adheres to them pretty well.

But out-of-the-box, Gemini's coding abilities are unusable due to the verbosity.

I've even gone so far to tell it that it must understand that I am just a human and have limited bandwidth in my brain, so it should write code which is easy to reason about, that this is more important than having it handle every possible exception or adding multiline comments.

rsynnott•1y ago
> To be fair, the code Gemini outputs in AI Studio is so extremely verbose that it is almost impossible to read through it.

In which case, it should simply be considered unusable. Like, the sensible response to "tool is so inadequate that there is no reasonable way to make sure its output is safe" is to _not use that tool_.

rsynnott•1y ago
In which Roko's Basilisk fires a warning shot.
jethronethro•1y ago
This is why you test code or a script before running it for real. Live and learn, I guess ...