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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這兩天依照YT上的教學,做了一個鞋袋/旅行袋。
youtube.com/watch?v=o_GdoAsRS7

這是我早就想做的東西,除了練習車縫拉鍊之外,也打算1~2天的旅行就用這個裝換洗衣物。(是的,我居然沒有旅行小袋!)也有想過要用防水布做內層,用來裝鞋子,但想想好像還沒有需要帶鞋子出門的時候。

外層的這塊布是向印花樂買的,它是一塊8N棉布,相當硬挺。我喜歡這件作品的部份是配色,這也是我想了很久的。我沒有特地再買布,而是用手上已有的布來搭配。我很喜歡紅色的拉鍊,它很容易搭配出亮眼的風格。


在做的時候,縫紉機的張力一直調整不好,我反覆在3~6之間試車,但在薄布上OK時,在厚布上又不行了;而在厚布上,我怎麼調整都還是浮線嚴重。(瑕疵可見圖3)

因為提把車得很差,我在縫提把時心浮氣躁的,沒有發現我車錯邊了。當袋子的拉鍊拉上時,拉鍊頭在提把處是比較符合直覺的,但我把提把車在拉鍊尾端,用起來會有點彆扭。雖然彆扭,但它還是一個可以使用的袋子,所以我不打算重做。

一個布製的手提鞋袋布製鞋袋裝進一條摺疊好的牛仔褲的樣子成品有很多瑕疵,車縫時浮線導致不美觀或不牢固。可以扁平收納是我認為的優點
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"The army has committed and continues to commit atrocities in on a scale that Europe has not seen since World War II.

This is the army that will march on Red Square in on . These people are not liberators of , they are occupants and war criminals. To march side by side with them is to share responsibility for the blood of murdered Ukrainian children, civilian and military, not to honor the victory over Nazism."

mfa.gov.ua/en/news/zayava-mzs-

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Beyond theorem proving: Formulation, framework and benchmark for formal problem-solving. ~ Qi Liu et als. arxiv.org/abs/2505.04528

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Ma banque va désactiver la double-authentification par SMS dans les prochains jours, je dois désormais télécharger une application Android de 180Mo qui nécessite que mon téléphone soit connecté à Internet et envoie des données à Google si je veux continuer à pouvoir consulter mes comptes depuis mon PC ou faire des achats sur Internet depuis mon PC.

Screenshot de l'interface de ma banque m'invitant à consulter mon téléphone nommé "Je voulais pas installer cette appli" pour pouvoir me connecter.
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イーロン・マスクのSpaceXが展開する衛星インターネット「Starlink」がトランプ関税の恩恵を受けていることが内部文書から明らかに - GIGAZINE
gigazine.net/news/20250508-spa

『少なくとも2カ国がトランプ政権の関税を回避しアメリカとのより良い貿易協定を交渉する手段として、マスク氏のStarlinkの導入について明確に議論したり、導入に向けた具体的な動きを進めたりしています』

全ては自分らの利権・利得・自己満足・虚栄心のため。アメリカ国民のためなど1ミリも考えてないだろう。

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老媽撿到小貓,我帶小浪貓送去動物醫院
結果發現是一隻先天沒有眼球的小貓
後來和家人商量決定照顧他 :0480:
沒有貓瘟,叫超大聲,還很愛爬,這款一定長命百歲。 :isuck:
所以我就叫他百穗了

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FormalMATH: Benchmarking formal mathematical reasoning of large language models. ~ Zhouliang Yu et als. arxiv.org/abs/2505.02735

arXiv logo

FormalMATH: Benchmarking Formal Mathematical Reasoning of Large Language Models

Formal mathematical reasoning remains a critical challenge for artificial intelligence, hindered by limitations of existing benchmarks in scope and scale. To address this, we present FormalMATH, a large-scale Lean4 benchmark comprising 5,560 formally verified problems spanning from high-school Olympiad challenges to undergraduate-level theorems across diverse domains (e.g., algebra, applied mathematics, calculus, number theory, and discrete mathematics). To mitigate the inefficiency of manual formalization, we introduce a novel human-in-the-loop autoformalization pipeline that integrates: (1) specialized large language models (LLMs) for statement autoformalization, (2) multi-LLM semantic verification, and (3) negation-based disproof filtering strategies using off-the-shelf LLM-based provers. This approach reduces expert annotation costs by retaining 72.09% of statements before manual verification while ensuring fidelity to the original natural-language problems. Our evaluation of state-of-the-art LLM-based theorem provers reveals significant limitations: even the strongest models achieve only 16.46% success rate under practical sampling budgets, exhibiting pronounced domain bias (e.g., excelling in algebra but failing in calculus) and over-reliance on simplified automation tactics. Notably, we identify a counterintuitive inverse relationship between natural-language solution guidance and proof success in chain-of-thought reasoning scenarios, suggesting that human-written informal reasoning introduces noise rather than clarity in the formal reasoning settings. We believe that FormalMATH provides a robust benchmark for benchmarking formal mathematical reasoning.

arxiv.org · arXiv.org

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"Cuida tus pensamientos, porque se convertirán en tus palabras. Cuida tus palabras, porque se convertirán en tus actos. Cuida tus actos, porque convertirán en tus hábitos. Cuida tus hábitos, porque se convertirán en tu destino." ~ Mahatma Gandhi (1869-1948).

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