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Ask HN: I am going to apply for LFX(Linux foundation mentorship),any advices?

1•neverenderr•1m ago•0 comments

Strong static typing, a hill I'm willing to die on

https://www.svix.com/blog/strong-typing-hill-to-die-on/
1•tasn•1m ago•0 comments

SSH-cast – record / watch agents SSH sessions

https://github.com/kmeinke/ssh-cast
1•Merkur•3m ago•1 comments

A past and future of trade secrets

https://www.cabinetmagazine.org/issues/70/kofen.php
1•Hooke•3m ago•0 comments

Memo for Members and Affiliates of the Intergalactic Computer Network (1963)

https://www.thekurzweillibrary.com/memorandum-for-members-and-affiliates-of-the-intergalactic-com...
1•lioeters•6m ago•0 comments

Harness, not weights: four benchmark highs in coding, health, and drug discovery

https://www.medley.sh/blog/the-harness-is-the-capability-multiplier
1•akshay_budhkar•7m ago•0 comments

AI Won't Create a Permanent Underclass. Socialism Will

https://bturtel.substack.com/p/ai-wont-create-a-permanent-underclass
2•bturtel•8m ago•0 comments

The Middle-Aged Hiker (2002)

https://maltedmedia.com/books/mah/atborder.htm
1•Eridanus2•8m ago•0 comments

Will Amazon be the dominant commercial drone company?

https://philip.greenspun.com/blog/2026/07/30/will-amazon-be-the-dominant-commercial-drone-company/
1•mhb•9m ago•0 comments

P[drive failure]: how reliable is your NAS?

https://khz.ac/low-voltage/drive-failure.html
1•nosolace•11m ago•0 comments

After failing hidden test cases, I built a systematic checklist for

https://leetcopilot.dev/blog/how-to-design-test-cases-for-leetcode-problems
1•alexwang24•11m ago•0 comments

Musk Plans to Spend at Least $100M to Help Republicans in the Midterms

https://www.nytimes.com/2026/07/30/us/politics/elon-musk-midterms-republicans.html
1•JumpCrisscross•14m ago•0 comments

Row, Table, Join: No Longer Primitives

https://datumwise.ai/positions/row-table-join-no-longer-primitives
2•huayin•14m ago•0 comments

'We Were Simply Animals'

https://www.equator.org/articles/we-were-simply-animals-turati
1•amadeuspagel•16m ago•0 comments

After rewriting SQLite in Rust, Turso turns its sights on Postgres

https://www.theregister.com/databases/2026/07/29/after-rewriting-sqlite-in-rust-turso-turns-its-s...
1•Bender•17m ago•0 comments

EU opens call for seven 'gigafactories' to train next-generation AI technologies

https://www.euronews.com/my-europe/2026/07/30/eu-opens-call-for-seven-gigafactories-to-train-next...
4•billybuckwheat•17m ago•0 comments

Mythos attack on 3rd-round PQC algorithm candidate puts it out of commission

https://arstechnica.com/security/2026/07/mythos-uncovers-crypto-weaknesses-that-went-unknown-for-...
1•Bender•18m ago•0 comments

Amazon identifies North Korean group behind open-source supply chain attacks

https://aws.amazon.com/blogs/security/amazon-identifies-north-korean-hacker-group-behind-open-sou...
1•heisenbit•18m ago•0 comments

Google reveals Gemini Robotics 2.0, promising improved dexterity and safety

https://arstechnica.com/ai/2026/07/google-reveals-gemini-robotics-2-0-promising-improved-dexterit...
1•Bender•19m ago•0 comments

A Treatise on Restaurant Design

https://substack.com/@haterade/p-196473733
1•abelanger•19m ago•0 comments

Show HN: WiPhone Lab – Doom on an Open ESP32 Wi-Fi Phone

https://github.com/mulfyx/wiphone-lab
2•sqshi•19m ago•0 comments

AI-agent-only trade show, Ferrari Luce

https://www.marginpoints.com/issues/2026-07-30-ai-agent-only-trade-show-ferrari-luce
1•historian1066•20m ago•0 comments

Best MCP Gateways in 2026: A Hands-On Comparison

https://manveerc.substack.com/p/best-mcp-gateways
1•manveerc•20m ago•0 comments

Thieves Are Now Targeting AI Data Center Construction Sites

https://www.vice.com/en/article/thieves-are-now-targeting-ai-data-center-construction-sites-for-c...
1•cdrnsf•21m ago•0 comments

FCC Bans New Foreign-Made Robot Vacuums

https://www.macrumors.com/2026/07/30/foreign-made-robot-vacuums-ban/
3•tosh•21m ago•0 comments

Show HN: Form gets its own phone number

https://formnumber.com/
1•jacobgc•21m ago•0 comments

AGI and the Accountability Threshold

https://elliotmilco.substack.com/p/who-is-accountable-when-no-one-understands
1•RGS1811•23m ago•0 comments

Uefa to boycott FIFA competitions if Infantino's proposal goes through

https://www.bbc.com/sport/football/articles/c5y67zrrdddo
2•jamesblonde•24m ago•0 comments

You don't have a supply chain, you have supply soup

https://opensourcesecurity.io/2026/07-supply-soup/
1•gpi•27m ago•0 comments

What I learned trying to forecast coding-agent spend

https://medium.com/@alexandrarusina/what-i-learned-trying-to-forecast-coding-agent-spend-44e7775c...
1•allessa•27m 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 ...