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.

Q: ์ € ๋นผ๊ณ  ๋‹ค ๊ท€์—ฌ์šด ์‚ฌ๋žŒ๋“ค๋ฐ–์— ์—†๋„ค์š” #neo_quesdon

์งˆ๋ฌธ์ž:@icekave@serafuku.moe
A: ์ด๊ฑด ๋Œ€์ฒด ๋ฌด์Šจ ์‹ ์ข…๊ธฐ๋งŒ์ธ๊ฐ€์š”
https://neo-quesdon.serafuku.moe/main/user/@seol2@serafuku.moe/cma6jh1175h39rx0jtx7jvptv

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ๆˆ‘ๆœ‰ไธ€ๅ€‹็‰นๅˆฅ็š„่‡ชๆˆ‘ๅŠ ๆฒนๆ‰“ๆฐฃ็š„่พฆๆณ•
ใ€Œๆˆ‘ๆฐธ้ ไธๆœƒๆ˜ฏ็ฌฌไธ€ๅ€‹๏ผŒไนŸไธๆœƒๆ˜ฏๆœ€ๅพŒไธ€ๅ€‹ใ€
ๆ‡‰็”จๅ ดๆ™ฏ้€šๅธธๆ˜ฏๅœจ้Žๆฏไธ€ๅนด็”Ÿๆ—ฅ็š„ๆ™‚ๅ€™

ๅ…ถๅฏฆๆˆ‘้‚„่ ปๅ–œๆญกๅนด็ด€ๅขž้•ท็š„ๆ„Ÿ่ฆบ
ๆฏไธ€ๅนด้ƒฝๆœƒๆœ‰ไธๅŒ็š„ๆ”ถ็ฉซ
ไฝ†ๅถ็ˆพๆœƒ่ฝๅˆฐๆœ‰ไบบๅพˆ็ทŠๅผตๆ–ผๅนด้ฝก็š„ๆ•ธๅญ—
ๆˆ‘ๅฐฑๆœƒ่ชชๅ‡บ้€™ไธ€ๅฅ่ฉฑ
ใ€Œไฝ ๆฐธ้ ไธๆœƒๆ˜ฏ็ฌฌไธ€ๅ€‹๏ผŒไนŸไธๆœƒๆ˜ฏๆœ€ๅพŒไธ€ๅ€‹ใ€

่€Œไธ”ไธ่ฆบๅพ—ๅนด้ฝกๆ˜ฏไธ€ไปถๅพˆๆœ‰่ถฃ็š„ไบ‹ๆƒ…ๅ—Ž
ๆฏๅ€‹ไบบ้ƒฝๆœƒๆœ‰3ๆญฒ็š„ๆ™‚ๅ€™
ไนŸ้ƒฝๆœƒๆœ‰18ๆญฒ็š„ๆ™‚ๅ€™
ไนŸ้ƒฝๆœƒๆœ‰30ๆญฒ็š„ๆ™‚ๅ€™
(ๅ‰ๆๆ˜ฏ้ƒฝ้‚„ๆดป่‘—็š„่ฉฑ......)

ๆ“ๆŠฑๆฏไธ€ๅ€‹ๅนด้ฝก็š„่‡ชๅทฑ
ไธ่ฆ้šจๆ„็”จๆ•ธๅญ—ไพ†้™ๅˆถ่‡ชๅทฑ็š„็‹€ๆ…‹

ๅ”ฏไธ€ๆœƒ่ฎ“ๆˆ‘ๆ„Ÿๅˆฐ้™ๅˆถ็š„
้€šๅธธๅฐฑๆ˜ฏๆณ•ๅพ‹่ฆๅฎš็š„้ …็›ฎ
ๆ‰“ๅทฅๅบฆๅ‡้™ๅˆถ30ๆญฒ
้’ๅนดๅฐˆๆกˆ้™ๅˆถ30ๆญฒ
(ๅทฎ้ปžๅ“ญๅ‡บไพ†......)

ๅœจ้‚„ๆœ‰ๆ™‚้–“่ˆ‡้ซ”ๅŠ›็š„็‹€ๆณไธ‹
ๆ‰“้–‹่‡ชๅทฑ็š„ๆ„Ÿๅฎ˜
็›กๆƒ…ๅœฐไบซๅ—ๅง๏ฝก:.๏พŸใƒฝ(*ยดโˆ€`)๏พ‰๏พŸ.:๏ฝก

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Together with my coauthor Lean Ermantraut we have a new paper accepted at ECOOP '25: The Algebra of Patterns arxiv.org/abs/2504.18920

We answer the question why most PLs implement first-match semantics for pattern matching instead of the more declarative order-independent semantics. We think that the poor expressiveness of patterns, especially their inability to express complements, requires much more verbose patterns if we have to ensure that patterns don't overlap.

We also propose a solution which makes order-independent pattern matching practical: A boolean algebra of patterns and default clauses.
Algebraic patterns are much more expressive since they can talk about conjunction, disjunction and complements of patterns. (We prove that the patterns satisfy all the expected boolean laws formally in Rocq.)

An efficient compilation strategy for algebraic patterns is very important for us, so we also show how to compile them first to a disjunctive normal form, and then use compilation to decision trees to obtain good code.

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@MigueldeicazaMiguel de Icaza แฏ…๐Ÿ‰ I was really hopeful that your quick first review meant that Xogot might be something Apple were excited by and had ensured would sail through smoothly instead of getting held up by a random jobsworth reviewer

But now I suspect it's the opposite - that Apple was oblivious to its existence, so the first review went in under the radar, but it has since attracted the attention of senior execs who are only now deciding whether it may constitute a threat to their business interests

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Zuckerberg now runs an army of AI chatbots that push virtual sex on minors - and also let adults engage in virtual pedophilia with characters like Submissive Schoolgirl.

โ€œI missed out on Snapchat and TikTok, I wonโ€™t miss on this,โ€ Zuckerberg fumed, according to employees.

The story was broken by the Wall Street Journal - there's a free version with all the sleazy details here:

archive.is/TtSUb

Metaโ€™s โ€˜Digital Companionsโ€™ Will Talk Sex With Usersโ€”Even Children

Chatbots on Instagram, Facebook and WhatsApp are empowered to engage in โ€˜romantic role-playโ€™ that can turn explicit. Some people inside the company are concerned.

The above is the title and subtitle of a Wall Street Journal article from here: https://www.wsj.com/tech/ai/meta-ai-chatbots-sex-a25311bf
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Just bought the game "Clair Obscur : Expedition 33" expedition33.com/

Dunno when/If I will have time to play it, but the game looks amazing in all aspects, and it's coming from a little French studio, so I'm supporting them, cocorico! ๐Ÿฅณ ๐Ÿ‡ซ๐Ÿ‡ท

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โ€œ์ ๋ฒ•์ ˆ์ฐจ์›์น™์€ ์ ˆ์ฐจ๊ฐ€ ๋ฒ•๋ฅ ๋กœ ์ •ํ•˜์—ฌ์ ธ์•ผ ํ•  ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ์ ์šฉ๋˜๋Š” ๋ฒ•๋ฅ ์˜ ๋‚ด์šฉ์— ์žˆ์–ด์„œ๋„ ํ•ฉ๋ฆฌ์„ฑ๊ณผ ์ •๋‹น์„ฑ์„ ๊ฐ–์ถ˜ ์ ์ •ํ•œ ๊ฒƒ์ด์–ด์•ผ ํ•œ๋‹ค๋Š” ์›์น™์ด๋‹ค.โ€

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Q: ์žฌ๋ฐŒ๊ฒŒ ๋ณธ ์ž‘ํ’ˆ์„ ์ถ”์ฒœํ•ด์ฃผ์„ธ์š” #neo_quesdon

์งˆ๋ฌธ์ž:@icekave@serafuku.moe
A: ์ €๋Š” ์›นํˆฐ์ด๋“  ์• ๋‹ˆ๋“  ๊ฑฐ์˜ ์•ˆ๋ด์„œ ์ž˜ ๋ชจ๋ฅด๊ฒ ์–ด์š”...
๋จน๊ธด ํ•˜๋Š”๋ฐ ๊นŠ๊ฒŒ ํŒŒ๋Š”๊ฑด ์—†๊ณ  ๋‹จํŽธ๋‹จํŽธ๋งŒ ์ž์ฃผ ๋ด์„œ,,
https://neo-quesdon.serafuku.moe/main/user/@seol2@serafuku.moe/cma6j7rtu5fpdrx0jtse8qo0u

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ใงใใŸใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใ‚ใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใƒผใฃใฃใฃใฃใฃใฃใฃใฃใฃใฃใฃใฃใฃใฃใฃใฃ๏ผ๏ผ๏ผ๏ผ๏ผ๏ผ๏ผ๏ผ๏ผ๏ผ๏ผ๏ผ๏ผ๏ผ๏ผ๏ผ๏ผ๏ผ๏ผ ๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰

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Relay๋กœ offline db sync๋ฅผ ํ•˜๊ณ  ์žˆ์—ˆ์„๋•, Relay๊ฐ€ Node์˜ Id๋‚˜ Edge์˜ Cursor๊ฐ€ Opaque๋ž€ ๊ฐ€์ •์„ ํ•˜๊ณ ์žˆ๋Š”๊ฒŒ ๊ฑธ๋ฆผ๋Œ์ด๋ผ๊ณ  ๋А๊ปด์กŒ๋‹ค. SQLite์— ์ €์žฅํ•˜๋ ค๋ฉด ์–ด์ฐจํ”ผ id๋กœ ๋ถ€ํ„ฐ composite key๋ฅผ ๊ตฌํ•ด์•ผํ•˜๊ณ , ๊ฑฐ๊ธฐ์—” ๋˜ order๋„ ์กด์žฌํ•˜๋Š”๋ฐ Relay๋Š” ์ด๋Ÿฐ๋ฐ ์ „ํ˜€ ๋ฌด๊ด€์‹ฌํ•˜๋‹ค. ํ•˜์ง€๋งŒ ์ผ๋ฐ˜์ ์ธ ์›น์‚ฌ์ดํŠธ ๋ Œ๋”๋ง์—๋Š” ์ €๋Ÿฐ ๊ฐ€์ •์ด ์ „ํ˜€ ๋ฌด๋ฆฌ๊ฐ€ ์—†๋‹ค.

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