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Concurrent Programming with Harmony

news.ycombinator.com Unknown 2025-07-28 13:22:12

Appendix H. Peterson's Algorithm In 1981, Gary L. Peterson came up with a beautiful solution to the mutual exclusion problem, now known as ``Peterson's Algorithm'' [37]. Figure 5.6 presents the algorithm. Why does it work? We will focus here on how one might go about proving mutual exclusion for an algorithm such as Peterson's. It turns out that doing so is not trivial. You have to understand a little bit about how the Harmony virtual machine (HVM) works. In Chapter 4 we talked about the concep

Topics: invariant state states step thread

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Two-step system makes plastic from carbon dioxide, water and electricity

news.ycombinator.com Kimm Fesenmaier 2025-07-28 11:10:37

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Credit: Angewandte Chemie International Edition (2025). DOI: 10.1002/anie.202503003 What if a machine could suck up carbon dioxide from the atmosphere, run it through a series of chemical reactions, and essentially spit out industrially useful plastic? "I think that is something that we, as a society, would be inte

Topics: carbon ethylene monoxide reduction step

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Browser extensions turn nearly 1 million browsers into website-scraping bots

arstechnica.com Unknown 2025-08-05 22:08:27

Extensions installed on almost 1 million devices have been overriding key security protections to turn browsers into engines that scrape websites on behalf of a paid service, a researcher said. The 245 extensions, available for Chrome, Firefox, and Edge, have racked up nearly 909 million downloads, John Tuckner of SecurityAnnex reported. The extensions serve a wide range of purposes, including managing bookmarks and clipboards, boosting speaker volumes, and generating random numbers. The common

Topics: extensions library mellowtel olostep tuckner

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Linda Yaccarino departs as boss of Musk's X

feeds.bbci.co.uk Unknown 2025-08-06 18:36:33

Linda Yaccarino departs as boss of Musk's X Musk has posted a brief reply, saying only: "Thank you for your contributions." In a post on the platform , she said was "immensely grateful" to Musk for "entrusting me with the responsibility of protecting free speech, turning the company around, and transforming X into the Everything App". Ms Yaccarino has been in the role since June, 2023. Linda Yaccarino, the boss of Elon Musk's social media site X, has announced she is stepping down. Ms Yacca

Topics: musk said stepped time yaccarino

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Zorin OS

news.ycombinator.com Unknown 2025-08-09 02:37:56

Can I try Zorin OS before installing it on my computer? Absolutely! You can run Zorin OS from a USB drive to test-drive it without touching your computer's internal drive. When you're ready to install it, simply double-click on the "Install Zorin OS" icon on the desktop and follow the step-by-step instructions on the screen. How much does Zorin OS cost? You can download and use the Core edition of Zorin OS completely free. For more advanced features, additional apps, and support, you can purc

Topics: drive install os step zorin

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The Sets of ‘Fantastic Four: First Steps’ Look, Well, Fantastic

gizmodo.com Germain Lussier 2025-08-17 22:45:37

The decision to set The Fantastic Four: First Steps in a retro, 1960s-inspired world couldn’t have come easy. For one, it meant the entire film would take place in a multiverse away from the traditional Marvel Cinematic Universe. Also, it meant the production would have to build all of these sets from the ground up. We still don’t know much about the multiversal madness of Fantastic Four, but in a new video just released by Marvel, we do know about its sets. Director Matt Shakman, along with pr

Topics: fantastic know marvel steps world

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Show HN: We're two coffee nerds who built an AI app to track beans and recipes

news.ycombinator.com Unknown 2025-08-21 20:38:47

AI Coffee Tracker built for the future Track your Coffee Beans & Recipes with just a snap  Download on the App Store 📸 Snap your bean bags, build your own coffee shelf. From messy drawers to a digital archive of flavor. Your browser does not support the video tag. One click, one recipe Turn any YouTube, blog, or Reddit post into a step-by-step brew guide—instantly. Save every bean that matters A photo or URL is all you need. Save every recipe with step-by-step guide From YouTube, a

Topics: bean browser coffee does step

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Fault Tolerant Llama training – PyTorch blog

news.ycombinator.com Tristan Rice 2025-08-22 04:30:02

Collaborators: Less Wright, Howard Huang, Chien-Chin Huang, Crusoe: Martin Cala, Ethan Petersen tl;dr: we used torchft and torchtitan to train a model in a real-world environment with extreme synthetic failure rates to prove reliability and correctness of fault tolerant training Training loss across 1200 failures with no checkpoints. NOTE: Each small spike is a non-participating worker recovering which affects the metrics but not the model Introduction We want to demonstrate torchft in wo

Topics: group replica step torchft training

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Modeling the World in 280 Characters

news.ycombinator.com Unknown 2025-08-24 22:02:10

Want to build websites but don’t know where to start? Scrimba's Frontend Developer Career Path is the perfect beginner-friendly course to kickstart your journey! Created with Mozilla MDN, it teaches you modern web development skills step by step. Codrops readers get 20% off Pro plans!

Topics: 20 beginner build codrops step

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The Final ‘Fantastic Four: First Steps’ Trailer Ups the Stakes Even Further

gizmodo.com James Whitbrook 2025-08-29 18:05:53

We’re a month away from the arrival of the next Marvel movie in Fantastic Four: First Steps, and Marvel is reminding us in style with a brand new trailer—one that really wants you to feel the stakes that are riding on this movie, in more ways than one. Prior looks at First Steps leaned into the Silver Age retro-kitsch of its world, and then the arrival of Julia Garner’s Silver Surfer to herald the threat of the dread, Galactus. But now this final big trailer for the film really wants to remind

Topics: arrival fantastic galactus marvel steps

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Our First Look at Giganto in ‘Fantastic Four: First Steps’ Is in… a Pizza Ad?

gizmodo.com Sabina Graves 2025-09-09 10:41:48

Ahead of the release of Marvel Studios’ The Fantastic Four: First Steps, the accompanying food tie-in blitz unleashes a first look at the movie’s take on Giganto in a Little Caesars pizza ad. Currently, the chain is pushing its themed pizza with toppings (or lack thereof) representing different members of the Fantastic Four. Getting a cute little comic book nod in this ad was unexpected, to say the least. Giganto’s first appearance came in Marvel’s First Family comic book debut, which gets homa

Topics: ad comic fantastic marvel steps

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Latest Tech News

Concurrent Programming with Harmony

Two-step system makes plastic from carbon dioxide, water and electricity

Browser extensions turn nearly 1 million browsers into website-scraping bots

Linda Yaccarino departs as boss of Musk's X

Zorin OS

The Sets of ‘Fantastic Four: First Steps’ Look, Well, Fantastic

Show HN: We're two coffee nerds who built an AI app to track beans and recipes

Fault Tolerant Llama training – PyTorch blog

Modeling the World in 280 Characters

The Final ‘Fantastic Four: First Steps’ Trailer Ups the Stakes Even Further

Our First Look at Giganto in ‘Fantastic Four: First Steps’ Is in… a Pizza Ad?

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