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Stacked Diffs (and why you should know about them) (2023)

https://newsletter.pragmaticengineer.com/p/stacked-diffs
1•theanonymousone•1m ago•0 comments

Simon Willison on DeepSeek-V4-Flash-0731

https://simonwillison.net/2026/Jul/31/deepseek-v4-flash-0731/
1•theanonymousone•6m ago•0 comments

The Kurzgesagt Situation is Insane [video]

https://www.youtube.com/watch?v=OX1yHmeLPy8
1•wrxd•6m ago•0 comments

RamenHaus

https://ramen.haus/
2•oler•7m ago•0 comments

Unifeyn – upload any content and get notes, flashcards, and quizzes from it

https://www.unifeyn.app/
1•securemepro•12m ago•0 comments

1 in 10 comments across 40 subreddits disappeared within 36 hours

https://growtika.com/blog/reddit-comment-removal-study
2•Growtika•14m ago•0 comments

Show HN: SendPage – Paste AI-generated HTML, get a link clients can open

https://sendpageapp.com
2•jack714•16m ago•0 comments

The Obligatory AI Post

https://lapcatsoftware.com/articles/2026/7/15.html
3•latexr•18m ago•0 comments

"Last month, you watched TV for less than an hour per day on average"

https://twitter.com/oohweehuman/status/2083162929369878606
2•turrini•21m ago•0 comments

Multi-Paxos vs. Strong-Sync vs. Raft

https://medium.com/from-zero-to-seekdb/multi-paxos-vs-strong-sync-primary-replica-vs-raft-which-h...
2•jinqueeny•26m ago•0 comments

EU will mandate labels on authentic-looking AI content starting August 2

https://www.engadget.com/2227966/eu-mandate-labels-on-authentic-looking-ai-content/
3•vrganj•29m ago•0 comments

Free tools for Etsy sellers, podcasters, and indie devs

https://thesellermind.com/tools/fee-calculator
2•haimo•30m ago•0 comments

FBI gets voter's IP address in new fraud probe tactic

https://www.axios.com/2026/07/31/fbi-voter-ip-address-investigation
4•_tk_•33m ago•1 comments

How to Do Great Work

https://paulgraham.com/greatwork.html
2•tosh•36m ago•0 comments

The Chatbot Act Forces One Parenting Model on Every Family

https://www.eff.org/deeplinks/2026/07/chatbot-act-forces-one-parenting-model-every-family
3•mdp2021•39m ago•0 comments

Leopold Aschenbrenner Built a Hot A.I. Hedge Fund. Then It Melted Down

https://www.nytimes.com/2026/07/31/business/situational-awareness-leopold-aschenbrenner.html
5•sbulaev•48m ago•1 comments

Google Just Ruined One of Its Most Important Tools

https://www.theatlantic.com/technology/2026/07/google-earth-ai-images/688145/
3•eloisius•49m ago•1 comments

Perplexity AI loses bid to toss Reddit lawsuit over data scraping

https://www.reuters.com/legal/litigation/perplexity-ai-loses-bid-toss-reddit-lawsuit-over-data-sc...
2•thm•51m ago•0 comments

What makes good magnet programs attractive?

https://www.educationprogress.org/p/what-makes-good-magnet-programs-attractive
2•barry-cotter•56m ago•0 comments

Ask HN: How did your boss's behavior change with the rise of AI?

2•aredirect•57m ago•0 comments

Granola Class Action Lawsuit

https://twitter.com/RobertFreundLaw/status/2083350273758728216
1•freestylematt•58m ago•0 comments

WTF Happened in 1971?

https://wtfhappenedin1971.com/
2•baxtr•59m ago•1 comments

Show HN: Wisp – a Linux shell with Lua scripting and structured pipelines

https://github.com/Hinikaa/wisp
1•hinikaa•1h ago•0 comments

Bloom Filters

https://arpitbhayani.me/blogs/bloom-filters/
1•vishwajeet_thok•1h ago•0 comments

AI doesn't generate working products, that's still your job

https://weeraman.com/the-prototype-isnt-the-product/
2•smckk•1h ago•1 comments

Amgen Reports Breach to SEC

https://databreaches.net/2026/07/31/amgen-reports-breach-to-sec/
1•WaitWaitWha•1h ago•0 comments

How Functional Is Human Tetrachromacy? (Ooqui) [video]

https://www.youtube.com/watch?v=NLC38iB7deE
1•zeristor•1h ago•0 comments

Google plans to exempt sanctioned nations from Android developer verification

https://arstechnica.com/gadgets/2026/07/google-plans-to-exempt-sanctioned-nations-from-android-de...
2•01-_-•1h ago•1 comments

Show HN: Habit Dungeon – RPG gamification that helps good habits stick

https://gamifyhabits.app/
1•jackedv•1h ago•1 comments

Solid Queue 1.6.0 now supports fiber workers

https://github.com/rails/solid_queue/releases/tag/v1.6.0
2•earcar•1h 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 ...