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Search for Life on Europa Just Got Harder

https://www.labroots.com/trending/space/30840/search-life-europa-harder
1•wawayanda•46s ago•0 comments

Ukraine – Life and Death of Innovation in the Drone War

https://jeffreylminch.substack.com/p/life-and-death-of-innovation-in-the
2•rmason•10m ago•0 comments

Show HN: LarpIn – LinkedIn, but everyone admits they're larping, one global feed

https://larpin.io
1•joeamroo•12m ago•0 comments

Ask HN: Does AI research need "world models" more than bigger LLMs?

2•unjuno•13m ago•1 comments

Attic: Move stale files to an external SSD, keep them in Finder

https://atticformac.com/
2•yapancha•14m ago•0 comments

Unsloth: Run and Train Local LLMs

https://github.com/unslothai/unsloth
1•ungreased0675•18m ago•0 comments

For sale: early access to Trump's Truth Social posts

https://www.npr.org/2026/08/01/nx-s1-5912219/trump-truth-social-access-insider-trading
2•petilon•22m ago•2 comments

Show HN: GHScan – Paste a GitHub URL, get a free security report in the browser

https://ghscan.vercel.app
1•JadaQ•22m ago•0 comments

Show HN: Launch – A Mac Script Launcher

https://staunchapps.com/launch/
1•andrewjk•25m ago•0 comments

Solving the Multi-Plane Telemetry Challenge with Argo CD and OSS MyDecisive

https://www.mydecisive.ai/blog/multi-plane-telemetry-argo-cd
1•jratkevic•27m ago•0 comments

LLMs Can't Jump

https://openreview.net/pdf?id=klU4737opt
2•gmays•28m ago•0 comments

Why did we wait so long for the bicycle? (2019)

https://blog.rootsofprogress.org/why-did-we-wait-so-long-for-the-bicycle
1•frozenseven•28m ago•0 comments

Robinhood Private Company Fund to Back Y Combinator Startups

https://finance.yahoo.com/small-business/articles/robinhood-private-company-fund-back-145137332.html
1•PKop•30m ago•0 comments

This Week in AI Native Companies #2: The context layer gets funded

https://www.insideainative.com/p/this-week-in-ai-native-companies-555
2•mmayernick•34m ago•0 comments

When the apartment listing is too good to be true

https://blog.denv.it/posts/when-the-apartment-listing-is-too-good-to-be-true/
4•denysvitali•36m ago•0 comments

Palantir soars 12% on blowout quarter, with US commercial revenue soaring ~150%

https://www.cnbc.com/2026/08/03/palantir-pltr-earnings-q2-2026.html
2•gslin•36m ago•0 comments

Chiral diffraction from aperiodic monotile structure

https://www.nature.com/articles/s41467-026-75023-7
1•sciences44•36m ago•0 comments

Agent needs a computer, not a container – introducing Cloudflare/computer

https://blog.cloudflare.com/cloudflare-computer/
1•mattzcarey•40m ago•0 comments

AI website builders: 10 prompt-to-app tools compared by pricing and code export

https://github.com/umairalisadaqat/awesome-ai-website-builders
1•umairalisadaqat•41m ago•0 comments

Show HN: mob.so – vibecode with friends in Discord

https://mob.so
1•david_shi•44m ago•0 comments

The Shape of Things to Come, Part 2: Model Welfare for Agentic Engineers

https://yegge.ai/essays/model-welfare/
2•networked•46m ago•0 comments

There Will Come Soft Rains [pdf]

https://users.wpi.edu/~zrbutzke/Docs/BradburyStories(1).pdf
4•pmg101•48m ago•1 comments

A Dad's Solution to His Son's Difficulty with Watches

https://www.nytimes.com/2026/07/21/fashion/watches-dyslexia-darren-sher.html
1•bookofjoe•49m ago•1 comments

ASML's hold over the future of chipmaking is weakening

https://www.ft.com/content/af959faa-115d-4073-b9a2-68d11018d05b
1•sigma5•57m ago•1 comments

Review: Goodnight, Goodnight, Construction Site, by Sherri Duskey Rinker

https://www.thepsmiths.com/p/review-goodnight-goodnight-construction
1•jger15•1h ago•0 comments

Conflict-Freedom as a Progress Condition

https://arxiv.org/abs/2505.03627
1•otrack•1h ago•0 comments

Meat allergy is on the rise – what scientists want to know

https://www.nature.com/articles/d41586-026-02362-2
3•geneticdrifts•1h ago•0 comments

Why does everyone suddenly hate data centers?

https://kenlacorte.substack.com/p/why-does-everyone-suddenly-hate-data
3•duck•1h ago•3 comments

AI First Ethical Code

https://lastcopy.ai/code/70
1•itsthecourier•1h ago•1 comments

Gmail support for sending from third-party email addresses ends January 2027

https://support.google.com/mail/answer/17101213?hl=en
8•RagingCactus•1h ago•2 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 ...