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Cake day: June 12th, 2023

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  • When I’ve seen foundations for homes get poured and they haven’t been on a large construction site that’s already been flattened (where the ability to work around things like trees wouldn’t matter), it’s been done by having one or two builders fill up a wheelbarrow with concrete where the concrete mixer lorry could drive to, then wheel it to where the foundations were being poured and empty their wheelbarrows into the foundations.




  • The problem with this kind of innovation is that it’s improving what’s already one of the fastest and easiest parts of building a house. Digging foundations, plastering the walls, doing the plumbing, doing the electrics and laying the flooring can all individually take longer than the bricklaying, and are much harder to automate.



  • The exact quote is:

    And this was a debug session from hell, enormously helped by an AI doing much of the grunt-work.

    I’d like to call it my tireless helper, but the AI several times stated flat out that this was impossible and unsolvable and that we should just write a report about it.

    I suspect those things have been trained by people who may not be quite as stubborn as I am.

    But while the AI was ready to give up several times, it did keep adding debug code and analyzing it faithfully when I pushed. So credit where credit is due and I let the AI write the commit message above.

    This is basically a one-liner fixing a bogus “round_up()” to a “round_down()”, but there were 24 patches adding more and more debug information to this, and 18 kernel boot to finally narrow it down to this. - Linus

    That’s a long way short of finding the bug and pointing it out, and instead is just the tedious work of adding checks and then deciding where to add more checks when you have the result of the previous checks. I suspect if we’d spent a trillion dollars on a tool for that, we could have come up with something much more efficient than an LLM.


  • And face/id scanning aren’t as good as the solution that works in the real world for alcohol because they can be tricked by a video game face or a photo of someone else’s real ID. Any solution that works online can either be trivially bypassed or adds an unacceptable level of hassle and risk (e.g. leaks being used for blackmail) for legitimate users.

    The solution for alcohol works really well because very few children have the ability to get a fake ID or convince people it’s real and theirs until they’re close enough to legal age that it doesn’t really matter much if they drink, and parents have the ability to override it on a per-drink basis if they’re okay with children drinking under their supervision, while non-parents can only operate on a very small scale before they risk getting caught. Once people are old enough that they’re obviously adults, they don’t get asked for ID anymore, so it’s only a small fraction of the population that have to deal with any hassle, and a shopkeeper can’t memorise every single ID card they’ve ever seen and then suffer a cyberattack and reveal what alcohol specific people have bought to someone who’ll threaten all of them in case some of them are willing to pay to have it kept secret.

    Preserving privacy means tokens become trivial to share, and then there’s nothing stopping a ten year old watching huge amounts of extreme porn except for things that would have worked without having any system, like having their parent stand behind them. If the new system doesn’t improve things compared to having no system, then there’s no point making it.


  • It’s not as good as the solution for alcohol as one bottle of beer making it to a child gets used up after only giving one child one drink. Once a token leaks, it can be shared again and again and used by arbitrarily many children arbitrarily many times until someone notices that it’s leaked and revokes it (which then means that websites need to actively update a list of revoked tokens instead of just relying on public key cryptography to confirm it was signed by one of a few authorities, or all tokens will need to expire automatically after a short time).