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Sperm whales in 19th century shared ship attack information – Whales

https://www.theguardian.com/environment/2021/mar/17/sperm-whales-in-19th-century-shared-ship-atta...
2•bilsbie•4m ago•0 comments

Show HN: I Turned Apple Calendar into Tetris

https://github.com/EvanZhouDev/calendar-tetris
1•EvanZhouDev•7m ago•0 comments

Ghosts of the Past and Devils of the Present

https://thenewcuriosityshop.substack.com/p/ghosts-of-the-past-and-devils-of
1•benbreen•8m ago•0 comments

Legbar – live AI agent sessions beside GitHub CI, in one terminal

https://github.com/gmhoward9289-ops/legbar
2•gmhoward9289•13m ago•0 comments

Redis uses less RAM than you think, nibble measures how much, and applies it

https://github.com/RyanRana/nibble
2•ryanrana•23m ago•1 comments

Anthropic's 'Watermark' Text Adulteration in Claude Is a Perversion of Writing

https://daringfireball.net/2026/08/anthropics_watermark_text_adulteration_in_claude_is_a_perversi...
11•ropbear•26m ago•4 comments

Claude Seems Down

31•zhan_eg•26m ago•15 comments

Failure Takes Years to Admit

https://julienreszka.com/blog/failure-takes-years-to-admit/
2•julienreszka•28m ago•0 comments

Claude Is Down

https://claude.ai/new
27•nabeards•28m ago•23 comments

Nauru, the 3rd-smallest country, changes its name to Naoero

https://abcnews.com/International/wireStory/nauru-worlds-3rd-smallest-country-naoero-135318134
2•gmays•37m ago•0 comments

Winkeys: Windows Keyboard Shortcuts on macOS

https://winkeys.app
1•yashvadaria•37m ago•0 comments

Show HN: One page per betting market – 21 books' odds, every outcome graded

https://prop-line.com/odds-api
1•rquitzo243•38m ago•0 comments

How to build a RAG pipeline with the Go StdLib

https://blog.devgenius.io/stop-stuffing-your-system-prompts-build-a-real-rag-pipeline-in-go-e93bb...
2•cheikhdev•38m ago•0 comments

Wellington second-hand bookstore's mysterious orders

https://www.rnz.co.nz/life/books/wellington-second-hand-book-store-s-mysterious-orders
2•beanaroo•39m ago•0 comments

My Hermes and Obsidian Setup and Use Cases

https://metedata.substack.com/p/013-my-hermes-and-obsidian-set-up
2•young_mete•39m ago•0 comments

Awesome-local-first – A curated list of Local-First Software

https://github.com/zhongkechen/awesome-local-first
2•peter_d_sherman•41m ago•0 comments

Productivity Framework Paraiso

https://ejlabs.io/blog/introduction_paraiso
1•mansi1010•41m ago•2 comments

Three Mile Island Accident

https://en.wikipedia.org/wiki/Three_Mile_Island_accident
2•js2•43m ago•0 comments

Life with Hazard Ratios

https://dynomight.substack.com/p/hazard-ratios
1•paulpauper•43m ago•0 comments

AI #176 Part 2: Plan B

https://thezvi.substack.com/p/ai-176-part-2-plan-b
1•paulpauper•45m ago•0 comments

Ask HN : Why Did Stripe Acquire OpenRouter For 7B?

https://s-1.vercel.app/posts/why-openrouter-can-be-the-next-great/
6•nbcu1985•45m ago•0 comments

The Decline of Deviance 2

https://www.experimental-history.com/p/the-decline-of-deviance-2
1•paulpauper•45m ago•0 comments

Young People Hate AI CEOs So Passionately That It's Almost Hard to Believe

https://futurism.com/artificial-intelligence/young-people-ai-ceos-executives-poll
6•healsdata•45m ago•0 comments

America's Loneliness Trap

https://slate.com/life/2026/08/men-lonely-social-skills-therapy-economy-crisis.html
2•theriddlr•46m ago•0 comments

The 'Fraud Squad' at Caltech Will Catch You If You Lie on Your Application

https://www.wsj.com/us-news/education/college-admissions-caltech-cheating-fraud-squad-f7627aab
2•apparent•48m ago•0 comments

Prediction Firms Are Flagging Insider Traders. Many Will Not Face Charges.

https://www.nytimes.com/2026/08/12/us/politics/prediction-markets-insider-trading.html
3•bookofjoe•50m ago•2 comments

Stop Turning every purchase into a tip request

https://www.foxnews.com/opinion/america-needs-stop-turning-every-purchase-uncomfortable-tip-request
8•gist•50m ago•2 comments

Who needs a dedicated portable music player in 2026?

https://kevinboone.me/pmp.html
2•ingve•51m ago•0 comments

Trump Family World Liberty Financial Gets Preliminary Approval to Launch a Bank

https://www.wsj.com/finance/trump-familys-world-liberty-financial-gets-preliminary-approval-to-la...
2•ourmandave•53m ago•0 comments

OEIS Open: A benchmark of 492 unsolved math conjectures, formalized in Lean

https://arxiv.org/abs/2608.11941
1•tadamcz•53m 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 ...