What is Hackers' Pub?

Hackers' Pub is a place for software engineers to share their knowledge and experience with each other. It's also an ActivityPub-enabled social network, so you can follow your favorite hackers in the fediverse and get their latest posts in your feed.

温泉ペンギン (@pen_pen2020) on X
宮崎駿が、「一遍上人絵伝」「縁起絵」等の中世の絵巻物に描かれた非人やハンセン病患者の姿が『もののけ姫』の背景にあると語ってます。

宮崎駿監督「おろそかに生きてはいけない」——ハンセン病元患者から学んだこと | t.co/fO7pD6k2ms t.co/1c5Z69OgI2
t.co/nJ9qwKTbqE x.com/pen_pen2020/status/19885

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Would people be interested in a series of posts where I implement the C from "Writing a C Compiler" book by Nora Sandler in ? I'd focus on Haskell specific libraries and techniques with some additional bits not present in the book.

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@couchdbApache CouchDB 3.5.1 is officially out! 🎉

There’s a lot in this maintenance release:

🚮 Improved purges — including ~30% speed gains for big batches

🧵UUID v7 _id generation as a built-in option

🔌 Enhanced and speedier bulk endpoints

➕ more!

We recommend switching to QuickJS over SpiderMonkey so you’re ready when it becomes the default JS engine in 3.6.0+

Catch all the release notes:
blog.couchdb.org/2025/11/11/3-

Plus our tips on setting up QuickJS: neighbourhood.ie/blog/2024/09/

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MH, long

One for all of you anxiety-heads out there. In the summer, I'd just finished my first really good group trail run and was chatting with some of the guys and feeling like I belonged with people for the first time in a while. One of them casually mentioned they were all going to watch England play rugby and did I want to go. I said of course, yes, not really thinking about it, or thinking it was a throwaway invite and they probably wouldn't be able to get tickets. Certainly not enough for everyone, so I could show my willingness to participate but without actually having to. Win/win.

The next day he messaged to say he'd got my ticket and I needed to give him £150 within the next 2 days.

Panic

So I borrowed the money to pay, because I reasoned that I can't say I want a ticket then immediately after he's bought one tell him I can't afford it. I then sidelined it as a problem for another day, subconsciously hoping for global obliteration. Then my whole family books a weekend away. I can't go because of this bloody ticket. But that's fine. Means they can all go in one car and we all get a breather from each other (which frankly I need). Bit sad, but it's OK.

But I still have the issue of this ticket. I cannot afford it. I don't know anything about the current team or who's doing well or who's doing badly. I have no stories. I don't know what to wear. I need a haircut. What if I'm weird and they don't like me. Woooosaaaaah.

Normal chaotic anxiety thoughts that normally subside.

Then it occurs to me today (as I realise the inevitability of it and start to spiral a little) that one option available to me that I hadn't considered is that I could...... just go and have a good time? Is that something I'm allowed to do? Seems like that's for other people. How does one do that? Just travel somewhere with a bunch of well-meaning strangers, have a couple of beers and shout at some men on a field, along with a hundred thousand other people (I don't understand stadium capacities).

So I think I'm going to try and stop being a hurricane of neurotic overthinking and just go into the day with an open mind. It will be OK and I might - if I'm very lucky - even have a good day and a formative experience.

I share this stuff to get it out so it doesn't fester - I can't be the only person who feels like this?

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This may be the closest you'll ever see to the color with the ridiculous name of "olo".

To see true olo, you need a mad scientist to map your retina, individually identify each cone cell as one of 3 kinds - and then use lasers to deliver tiny doses of light exclusively to the cones of one kind: the "M" cones.

The 3 kinds of cone cells, amusingly called S, M and L, respond to different colors. But there's no kind of light that excites the M cones without also exciting the others! So you can't see pure M in nature - the color called (0,1,0) or "olo" for short. You have to hire a mad scientist to make you see it.

This first happened on 18 April 2025 at U.C. Berkeley. Only the five victims of this experiment have ever seen olo. Professor Ren Ng, one of the mad scientists involved, described olo as "more saturated than any color that you can see in the real world". His victims describe the color as a "blue-green of unprecedented saturation", and will live the rest of their life haunted by this vision, depressed by the boring, bland colors they usually see.

en.wikipedia.org/wiki/Olo_(col

Most chromatic color inside the sRGB gamut that has a similar hue to olo.  It looks sort of like green or aqua.

Approximation of the color "olo", a color created by stimulating only the M cone cells in the human retina. Under natural conditions, green light activates the L and S cones as well as M cones, so there is no naturally occurring wavelength of light that stimulates only the M cones. Since olo can only be created in laboratory conditions, it is considered a fictitious or imaginary color.

From here:

https://commons.wikimedia.org/wiki/File:Olo_color_approximation.jpg
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I need to figure out how I can set up a self-hosted system to sell my documentary The Illusionists.

Sure, I could host it on PeerTube and add all kinds of foreign language subtitles there... but I need a solution to generate unique URLs for everyone who purchases a 48-hour streaming license... all this to avoid piracy of course.

Yes I know the Fediverse loves 🏴‍☠️​ but how can we independent filmmakers survive?

I've been using a mainstream platform to sell my film and they have just been bought by an infamous company, so I want to decamp ASAP.

I would love your suggestions.

And no, services that offer to sell digital products won't work because it's a 90 minute film that requires subtitles for many so the viewer needs to see it on an online platform that displays subtitles.

#AskFedi

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일본이 e스포츠에서 약한 이유는 무엇? 이라는 글에
프로게이머가 e스포츠가 제대로 직업 스포츠 취급받지 않으니까… 라고 말하는 걸 보며 드는 생각인데

사실 한국의 e스포츠판도 초창기엔 그런느낌이었는데 거진… 그냥 임요환이 키운 셈이지 않나? 난 그렇게 주워들었어

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I need to figure out how I can set up a self-hosted system to sell my documentary The Illusionists.

Sure, I could host it on PeerTube and add all kinds of foreign language subtitles there... but I need a solution to generate unique URLs for everyone who purchases a 48-hour streaming license... all this to avoid piracy of course.

Yes I know the Fediverse loves 🏴‍☠️​ but how can we independent filmmakers survive?

I've been using a mainstream platform to sell my film and they have just been bought by an infamous company, so I want to decamp ASAP.

I would love your suggestions.

And no, services that offer to sell digital products won't work because it's a 90 minute film that requires subtitles for many so the viewer needs to see it on an online platform that displays subtitles.

#AskFedi

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일본이 e스포츠에서 약한 이유는 무엇? 이라는 글에
프로게이머가 e스포츠가 제대로 직업 스포츠 취급받지 않으니까… 라고 말하는 걸 보며 드는 생각인데

사실 한국의 e스포츠판도 초창기엔 그런느낌이었는데 거진… 그냥 임요환이 키운 셈이지 않나? 난 그렇게 주워들었어

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