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Cake day: 2023年12月29日

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  • to really hammer home this “many ways to hide”: the PDF is kinda just like a container… it contains other things like images (the patterns for example)… these patterns are probably vector graphics (made up of lines rather than pixels)… this means you can magnify them basically infinitely… and they can contain transparent lines and all sorts of things. they could easily embed that same text in the SVG image, at tiny scale (less than a pixel at 100% scale), and make it transparent… no PDF editor is going to touch the image data: it simply doesn’t really understand it to that degree - it’s an image; not a PDF after all… so that information will remain even after you’ve removed all visible/reasonable marks

    this is just 1 example of practically infinite places it could be - and remember, this text is just lines in an image! it’s not like you can ctrl+f for the text necessarily… you’d have to go through every image manually and inspect every single line, and even then there are no guarantees (perhaps they encoded that information like morse code in bumps in some lines that are only barely visible at 1000% magnification)






  • the thing that everyone always glosses over is that jellyfin should not be run on a public network. it has known security vulnerabilities… that includes VPN remote proxy, so now you have to have external users on your actual VPN, and if that’s the case then plex will work fine because it’s “local”, and has a lot more features

    (and my main issue: media segments don’t work on swiftfin)




  • i’ll add a concrete example to this… i’ve described a startup i built in another comment but TLDR:

    compliance obligations when protecting kids from sexual predators are difficult to prove: sexual abuse usually comes out 30 years later, so standard record keeping is pretty fraught… companies (like the company monitoring compliance - our startup for example) might not exists any more, paper gets lost, database formats become difficult or impossible to read

    writing signed proof of compliance to the blockchain is a way of ensuring that an organisation was doing what they could at the time… how this is achieved is tricky for anyone but the source of record, but with blockchain it’s possible (described in the post)









  • yup, so it’s different with RCV and representative: in australia we have this, where we still have a mostly 2 party system that’s representative but we have RCV, so you can preference other parties first, and still have your vote eventually flow to the major party of your choice

    in this case, perhaps enough votes are lost that they loose a seat (we’ve had at least 1 green rep in parliament for a few elections in a row)

    also we track “primary vote” - the number of people who ranked you #1 - as an important election metric with real consequences… there are limits to private donations for elections, and a significant portion of funding for elections comes from the government itself. any party that gets over 4% of the primary vote is eligible to claim a proportional amount of financing for next election… so you can punish them in a way that really matters without actually putting anything real on the line

    that’s different to proportional representation, because it’s a property of the system that there are many minor parties which inherently means parties have to make more deals



  • i did a big ol post here about this

    generally what you’re talking about is proportional representation… systems like this tend to lead to a government comprised of a lot of minor parties, which sounds great!

    but it has its down sides (and i’m not saying 2 party is much better, but it’s useful to be aware of the situations it creates): when there are a lot of minor parties with no clear “above 50%” majority, they have to form a coalition government and that can be extremely fragile

    you can’t hold parties to election promises, because you just don’t know what they’re going to have to give up to form a coalition, and even if they do end up forming a coalition you really don’t know how stable that coalition is going to be!

    i guess in the US there’s gridlock anyway, so what the hell right? may as well at least have gridlock with parties blocking legislation based on things you believe in… buuuuuuut that’s probably a bad example: first past the post is far more to blame in that case than proportional vs representative democracy

    (fptp leads to extremism, ranked choice etc leads to moderation because people’s 2nd, 3rd, etc choice matters: you want to be likeable not just to your “base” but to everyone, because everyone’s vote has a chance of flowing through to you even if you’re not their first choice… if people hate you, you’re not going to get those preference votes when candidates get eliminated)