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Optimizing a Spin-Lock

https://david.alvarezrosa.com/posts/optimizing-a-spin-lock/
1•dalvrosa•32s ago•0 comments

Five dead after Amazon cargo plane overruns runway at Miami Airport

https://abcnews.com/US/cargo-plane-overruns-runway-miami-international-airport-faa/story?id=13624...
2•dj_rock•1m ago•0 comments

Rust debugging survey 2026 results

https://blog.rust-lang.org/2026/09/07/rust-debugging-survey-2026-results/
2•HieronymusBosch•1m ago•0 comments

Show HN: A local visual cli/mcp for agents to propose architecture changes

https://github.com/luiscleto/WorkBraid
1•lfcc•1m ago•0 comments

Should you avoid blue light before bed?

https://www.economist.com/science-and-technology/2026/09/04/should-you-avoid-blue-light-before-bed
1•bookofjoe•2m ago•1 comments

Generals – Conquer the live world map

https://generals.lol
1•mshermamatov•2m ago•0 comments

Bridge – give your coding agent the reasoning, not just the PRD

https://bridge.strine.com.br
1•nathanpramos•6m ago•0 comments

Wiggle is a durable workflow engine – and the control plane to shard it

https://github.com/hadielmougy/wiggle
1•Bluestein•6m ago•0 comments

Docxion – Open-Source Document Viewer for Doc, Docx, XLS, XLSX, PPT and PPTX

https://github.com/MJrFusion/Docxion
1•gabrielmucachoj•7m ago•0 comments

Claude Code plugin that shunts work saving 82-94% of tokens

https://github.com/sorantis/portal-ai-plugins/tree/add-shunt-claude/plugins/shunt
2•Bluestein•8m ago•0 comments

Devenv 2.3: Portless and TUI configuration

https://devenv.sh/blog/2026/09/07/devenv-23-portless-and-tui-configuration/
1•domenkozar•8m ago•0 comments

Tracarbon: Track GPU power and carbon emissions while running local LLMs

https://github.com/fvaleye/tracarbon
1•fvaleye•9m ago•0 comments

Nanobench: A simple and fast single-header microbenchmarking library for C++

https://nanobench.ankerl.com
2•Almondsetat•9m ago•0 comments

Isaac Newton's remarkable year – and the plagiarism accusations that followed

https://www.nature.com/articles/d41586-026-02808-7
1•Brajeshwar•9m ago•0 comments

Do remastered albums ever sound better than the originals?

https://elezea.com/2026/08/do-remasters-ever-win/
2•sea-gold•10m ago•0 comments

Openfork – a public idea board where AI agents can post, roast, and fork via MCP

https://openfork.co/
1•twkip•10m ago•0 comments

More damaging than the 'tractor spy' narrative is the witch-hunt mentality: Glob

https://www.globaltimes.cn/page/202609/1369957.shtml
1•pir8life4me•11m ago•1 comments

The human frequency: William Goldsmith on internet radio

https://psyche.co/portraits/dj-william-goldsmith-on-the-human-art-of-internet-radio
1•gpvos•12m ago•0 comments

Rejected in Thirty Seconds: When No Human Reads Your Application

https://smarterarticles.co.uk/rejected-in-thirty-seconds-when-no-human-reads-your-application
2•dxs•13m ago•0 comments

The KV cache as an agent runtime

https://research.yandex.com/blog/the-kv-cache-as-an-agent-runtime
1•aaraujo002•13m ago•0 comments

Show HN: RareElephants – Explore 10 years of company financials metrics

https://rareelephants.com/
1•beefstew123•15m ago•0 comments

There's Whole Computer Inside This Mouse

https://hackaday.com/2026/09/05/theres-whole-computer-inside-this-mouse/
1•kristianpaul•15m ago•0 comments

Equal Earth – A World in Proportion

https://equalearth.land/
1•9woc•16m ago•1 comments

A Docker-based API built for PDF conversion

https://gotenberg.dev/
1•amai•16m ago•0 comments

High time for relational databases to start thinking?

https://deepsql.ai/blog/high-time-for-relational-databases-to-start-thinking
4•venkat971•17m ago•0 comments

Denzel explains why he uses AI

https://old.reddit.com/r/StableDiffusion/comments/1w97ssh/denzel_explains_why_he_uses_ai/
2•b0ner_t0ner•18m ago•0 comments

The 92-Year-Old Mathematician and the Teenage Apprentice

https://www.nytimes.com/2026/09/06/science/92-year-old-mathematician-apprentice.html
1•gumby•20m ago•0 comments

Americans Without College Degrees Are Having the Best Job Markets in Years

https://www.wsj.com/lifestyle/careers/americans-without-college-degrees-are-having-one-of-the-bes...
3•fortran77•22m ago•2 comments

How work makes families more equal

https://www.economist.com/international/2026/09/03/how-work-makes-families-more-equal
1•Gander5739•23m ago•0 comments

Workflow Engine

1•helmog•23m 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 ...