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Sollya: An environment and library for safe floating-point code development

https://www.sollya.org/
1•RossBencina•4m ago•0 comments

EV Batteries Are Defying Expectations After Miles

https://www.wsj.com/business/autos/ev-batteries-are-defying-expectations-after-hundreds-of-thousa...
4•apparent•5m ago•0 comments

Fidx – local semantic search in one SQLite file, no LLM at query

https://github.com/williamliu-ai/fidx
1•williamliu_ai•9m ago•0 comments

Security Roundup: Apple's Hide My Email Service Fails to Hide Your Email

https://www.wired.com/story/security-roundup-apples-hide-my-email-service-fails-to-hide-your-email/
1•01-_-•9m ago•0 comments

Show HN: Onboard-CLI, an AST-based tool to detect architectural drift

https://github.com/animesh-94/Onboard-CLI
1•yr_animesh•10m ago•0 comments

My manager appreciated my design process

2•Achuth123•15m ago•1 comments

Google commercial imagines Declaration of Independence written with help from AI

https://techcrunch.com/2026/07/04/new-google-commercial-imagines-a-declaration-of-independence-wr...
2•eloisius•15m ago•0 comments

sqlite-utils 4.0rc2, mostly written by Claude Fable (for about $149.25)

https://simonwillison.net/2026/Jul/5/sqlite-utils-fable/
2•ognyankulev•16m ago•0 comments

Top Companies in the Global Hybrid Memory Cube High-Bandwidth Memory Market

https://www.sphericalinsights.com/blogs/top-20-companies-in-the-global-hybrid-memory-cube-high-ba...
1•peter_d_sherman•18m ago•0 comments

Enigma M4 Breaker with GPU

https://github.com/vladimir-cicovic/EnigmaM4Breaker
2•vlad__81•20m ago•0 comments

Dungeon KeeperFX 1.4.0 with Multiplayer Released

https://keeperfx.net/news/25/2026-07-04/keeperfx-140-released
2•MrJagil•26m ago•1 comments

LLM's as a Different Kind of Intelligence

https://handmadeoasis.com/llms-as-a-different-kind-of-intelligence/
2•RamtinJ95•28m ago•0 comments

Geek, Music Producer, Father CEO Info-Struct

1•gryanfawcett•29m ago•0 comments

Megawatts by Microwave

https://computer.rip/2026-07-04-microwave-and-power.html
5•eternauta3k•40m ago•0 comments

Ask HN: How Do You Connect OpenAI Secure MCP Tunnel with Claude Desktop

2•mcpzero•58m ago•0 comments

Small Change [pdf]

https://web.stanford.edu/class/comm1a/readings/gladwell-small-change.pdf
2•ABNi•58m ago•0 comments

Fixing analog audio on the $2.58 HDMI-to-VGA adapter

https://nyanpasu64.gitlab.io/blog/hdmi-vga-dac-audio/
2•zdw•59m ago•0 comments

After hooking China on coffee, Starbucks ramps up consumer strategy

https://www.scmp.com/business/china-business/article/3359294/after-hooking-china-coffee-starbucks...
1•keepamovin•1h ago•0 comments

The '1776 Diet': What Americans ate during the nation's founding

https://www.foxnews.com/health/1776-diet-what-americans-really-ate-during-nations-founding
1•keepamovin•1h ago•0 comments

A gender-swap EarthBound for my daughter (2025)

https://tommy.reddad.net/post/2025-12-04-coilsnake/
1•Sajarin•1h ago•0 comments

Show HN: Codex-review – a read-only cross-model review skill for Claude Code

https://github.com/shimo4228/codex-review
1•shimo4228•1h ago•0 comments

Beeg float library, a Rust port of Fabrice Bellard's libbf

https://github.com/lifthrasiir/libbeef
10•serialx•1h ago•2 comments

Cuba's Green Solution to the U.S. Oil Blockade: Solar-Powered Electric Tricycles [video]

https://www.youtube.com/watch?v=eeg0CthbzTE
3•thelastgallon•1h ago•0 comments

New California study finds highly educated workers most harmed by AI

https://www.sfgate.com/politics/article/california-ai-study-22321472.php
3•littlexsparkee•1h ago•0 comments

US and Chinese companies train almost all of the most-used AI models

https://ourworldindata.org/data-insights/us-and-chinese-companies-train-almost-all-of-the-worlds-...
3•TMWNN•1h ago•0 comments

Mouse: Precision Editing Tools for AI Coding Agents

https://hic-ai.com
13•handfuloflight•1h ago•15 comments

Meituan Trained a 1.6T-Parameter AI Model Without Nvidia GPUs

https://xyzlabs.substack.com/p/meituan-trained-a-16t-parameter-ai
2•mgh2•1h ago•1 comments

China's LongCat-2.0 Becomes the Biggest AI Model Without Nvidia Chips

https://tech.yahoo.com/ai/articles/china-longcat-2-0-becomes-134258951.html
5•mgh2•1h ago•1 comments

Shadcn/UI now defaults to Base UI instead of Radix

https://ui.shadcn.com/docs/changelog
58•dabinat•1h ago•8 comments

Binary Coverage the Wrong Way

https://redvice.org/2026/coverage-the-wrong-way/
4•matt_d•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 ...