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.

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@wingoAndy Wingo @cwebberChristine Lemmer-Webber @fd9aFd9a :emacs: :guix: @boo_Klara! ❤️ @hako🗃️ @simendsjo

Question for kings and queens.

I have a module A [(define-module A ….) ] and module B that's code-generated (not macros-way the writing strings to file way) that has [#:use-module A] statement in it.

At some procedure part of module A I want to import and use one variable from module B. I want it to happen only EXACTLY when this branch of code is called.

Is that even possible? Circular dependency = ⚰️ ?

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I'm writing a series of blog posts, in which I write a and a for arithmetic in . We explore the following topics in the series:

- Parsing arithmetic expressions to ASTs.
- Compiling ASTs to bytecode.
- Interpreting ASTs.
- Efficiently executing bytecode in a VM.
- Disassembling bytecode and decompiling opcodes for debugging and testing.
- Unit testing and property-based testing for our compiler and VM.
- Benchmarking our code to see how the different passes perform.
- All the while keeping an eye on performance.

The second post of the series that focuses on writing the is now out: abhinavsarkar.net/posts/arithm

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"[Blacksky] started out by developing our own custom feeds. For our app, the Blacksky Trending feed is the default feed for new users [...] When new users sign up and create an account, their data will be hosted by us, and they will agree to our Terms of Service and privacy policy, and not Bluesky’s. Existing users can migrate their account to our servers, but they can use Blacksky no matter who is hosting their account!"

newpublic.substack.com/p/how-b

"And although our users’ accounts and data are on our server, they can seamlessly interact with any Bluesky user, and vice-versa. Borders in AT Protocol cyberspace are just like borders in the real world — imaginary. When you cross a border in real life, you wouldn't even notice without signs."

Love this explanation 👏🏼

newpublic.substack.com/p/how-b

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物理カードが手元にない、カード番号だけを持っている状態だと、知識のない人はカードの種類がわからないだろうから、それを利用しているのかなぁ。

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