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Show HN: SwapBackdrop – reuse one cutout across video backgrounds and frames

https://swapbackdrop.com/
2•robot1996•7m ago•0 comments

USGS Tsunami Warning System

https://www.tsunami.gov/
2•hmnxrne•12m ago•0 comments

Why is bun so disliked?

https://www.reddit.com/r/webdev/comments/1wx1y2u/why_is_bun_so_disliked/
1•lr0•12m ago•0 comments

Codesmith's flagship open source project compromised, thousands at risk

https://www.deepwoodssec.com/research/reactime
3•michaelnovati•12m ago•0 comments

Elon Musk's PAC is spreading inaccurate voting info, election officials say

https://www.cnn.com/2026/10/10/politics/elon-musk-pac-inaccurate-voting-information
6•MilnerRoute•13m ago•0 comments

Thoughts on the Current State (Especially Quality Issues) and Future of Bun

https://github.com/oven-sh/bun/issues/27664
1•lr0•14m ago•0 comments

Wildfire xPrize Winners

https://robotsandstartups.substack.com/p/wildfire-xprize-winners-women-in
1•robotlaunch•15m ago•1 comments

Ask HN: Curious, who can afford to buy in SF?

3•rubicon33•20m ago•2 comments

Show HN: I made an agent can self-improving while working

https://yehuitang0316.github.io/gear-site/
4•yt1998•28m ago•2 comments

AI is changing how Lawyers work – and putting the billable hour under pressure

https://www.cnbc.com/2026/10/10/ai-lawyers-billable-hour-legal-careers.html
4•peter_d_sherman•35m ago•0 comments

Ask HN: Can we discourage Show HNs that "ship the first draft"

1•cadamsdotcom•35m ago•0 comments

Show HN: Drune – Personalize your AI and use it anywhere

https://drune.ai/
1•vskalyan•37m ago•0 comments

Fall To One (Math Song) [video]

https://www.youtube.com/watch?v=9juhm97co1U
4•metadat•37m ago•0 comments

The Sysco Situation Just Got Worse [video]

https://www.youtube.com/shorts/SVm9M7Ag3lk
3•mikhael•44m ago•0 comments

Things that don't bother me as your manager

https://twitter.com/EmmaBostian/status/2107555593531588648
6•LouisLazaris•47m ago•1 comments

Doory – Open-Source Canva

https://github.com/shaongitbd/doory
5•acley•51m ago•0 comments

The Ethiopian Economic Miracle

https://theborys.substack.com/p/the-ethiopian-economic-miracle
3•kspacewalk2•51m ago•0 comments

What Makes a Good Notebook

https://scrively.org/what-makes-a-good-notebook-etchr-lab-interview/
3•andsoitis•1h ago•0 comments

Whey up: Protein powder prices soar as global demand grows

https://www.cbc.ca/news/business/whey-up-protein-powder-prices-soar-as-global-demand-grows-9.7369910
4•BiraIgnacio•1h ago•0 comments

Creative Fuel Prompts

https://fromthepencup.wordpress.com/2026/10/02/creative-fuel-prompts/
2•andsoitis•1h ago•0 comments

Bone Stress Injuries in Runners Using Carbon Fiber Plate Footwear

https://pmc.ncbi.nlm.nih.gov/articles/PMC10356879/
3•bookofjoe•1h ago•0 comments

Engineering Ethics Should Be Part of Technical Training

https://spectrum.ieee.org/integrating-engineering-ethics-education
6•rbanffy•1h ago•4 comments

The Moon Mission That's a High-Tech Cave Hunt

https://www.universetoday.com/articles/nasa-selects-gimli-to-search-the-marius-lunar-pit-for-a-po...
6•rbanffy•1h ago•0 comments

Open Source RUM (Real User Monitoring)

https://www.basicrum.com/
3•ssttoo•1h ago•0 comments

Yes I Understand How LLMs Work

https://kemendo.com/yes-i-understand-how-llms-work.html
4•AndrewKemendo•1h ago•0 comments

Microsoft barred from sponsoring foreign workers for US residency

https://arstechnica.com/tech-policy/2026/10/trump-administration-targets-microsoft-in-new-immigra...
8•rbanffy•1h ago•0 comments

Atticus – Hold-to-talk voice assistant for macOS that runs on Claude -p

https://github.com/SaarthurR/atticus-mac
8•SaarthRanka•1h ago•0 comments

Tandem Himalaya Server S7000

2•combarbala•1h ago•0 comments

MASS: Recursive Self-Improvement Through Multi-Agent Self-Supervision

https://pub.sakana.ai/mass/?href=
4•jonbaer•1h ago•0 comments

Beijing residents dispose of drones ahead of ban on ownership

https://www.abc.net.au/news/2026-10-12/beijing-residents-dispose-drones-ahead-of-ban-on-ownership...
6•uxhacker•1h ago•1 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 ...