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Concurrent Programming with Harmony

news.ycombinator.com Unknown 2025-07-27 12:22:12

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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The Scourge of Arial (2001)

news.ycombinator.com Unknown 2025-07-30 16:55:06

Arial is everywhere. If you don’t know what it is, you don’t use a modern personal computer. Arial is a font that is familiar to anyone who uses Microsoft products, whether on a PC or a Mac. It has spread like a virus through the typographic landscape and illustrates the pervasiveness of Microsoft’s influence in the world. Arial’s ubiquity is not due to its beauty. It’s actually rather homely. Not that homeliness is necessarily a bad thing for a typeface. With typefaces, character and history a

Topics: adobe arial fonts helvetica type

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First malaria treatment for babies approved for use

news.ycombinator.com Unknown 2025-07-26 18:16:33

First malaria treatment for babies approved for use 4 days ago Share Save Dominic Hughes Global Health Correspondent Share Save Getty Images Malaria drugs for children do exist, but there are no treatments specifically for babies The first malaria treatment suitable for babies and very young children has been approved for use. It's expected to be rolled out in African countries within weeks. Until now there have been no approved malaria drugs specifically for babies. Instead they have been tr

Topics: approved babies children drugs malaria

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Vegetarians Beware, These 10 Foods Aren't Actually Plant-Based

cnet.com See Full Bio 2025-07-31 04:00:00

If you think wine, tortillas or even vegetable soup are obviously vegetarian, you might want to double-check. Depending on how strictly you follow a vegetarian or vegan lifestyle, some foods that are seemingly plant-based might not actually make the cut. Surprising ingredients, including animal byproducts, can sneak into everyday staples. We spoke with food and drink experts to learn about 10 common foods that aren't always vegetarian-friendly. Here's everything to know. Cheese Real Parmigian

Topics: gelatin lard said use vegetarian

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Bulgaria to join euro area on 1 January 2026

news.ycombinator.com European Central Bank 2025-08-06 13:44:51

Conversion rate of lev fixed at 1.95583 = EUR 1 Bulgaria joined the ERM II in 2020 Bulgarian banks supervised by ECB since 2020 Today the Council of the European Union formally approved the accession of Bulgaria to the euro area on 1 January 2026 and determined a Bulgarian lev conversion rate of 1.95583 per euro. This is the current central rate of the lev in the Exchange Rate Mechanism (ERM II), which the currency joined on 10 July 2020. The European Central Bank (ECB) and Българска народна

Topics: 2020 bulgarian ecb lev rate

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Playdate Season 2 review: Taria & Como and Black Hole Havoc

engadget.com Unknown 2025-08-11 02:00:42

We've officially made it to the end of Playdate Season Two, and what a season it's been. Despite having half the number of titles as Season One, this latest round of weekly game releases has made a much stronger impression (on me, at least). If nothing else, it's just been cool to experience the new games in real time with other Playdate owners all at once, which the staggered rollout of the console didn't really allow for with the first season. In an email ahead of the final release, the team a

Topics: black game holes season taria

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Free as Air, Free as Water, Free as Knowledge (1992)

news.ycombinator.com Unknown 2025-08-07 15:28:16

``Free as Air, Free As Water, Free As Knowledge'' by Bruce Sterling Speech to the Library Information Technology Association June 1992, San Francisco CA Hi everybody. Well, this is the Library Information Technology Association, so I guess I ought to be talking about libraries, or information, or technology, or at least association. I'm gonna give it a shot, but I want to try this from an unusual perspective. I want to start by talking about money. You wouldn't guess it sometimes to hear so

Topics: information librarians library like people

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``Free as Air, Free as Water, Free as Knowledge'' (1992)

news.ycombinator.com Unknown 2025-08-08 11:28:16

``Free as Air, Free As Water, Free As Knowledge'' by Bruce Sterling Speech to the Library Information Technology Association June 1992, San Francisco CA Hi everybody. Well, this is the Library Information Technology Association, so I guess I ought to be talking about libraries, or information, or technology, or at least association. I'm gonna give it a shot, but I want to try this from an unusual perspective. I want to start by talking about money. You wouldn't guess it sometimes to hear so

Topics: information librarians library like people

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Sliding Window Technique Visualizer

news.ycombinator.com Unknown 2025-08-19 01:11:40

A fixed-size sliding window maintains a constant size as it moves through the data structure. This is useful for problems like finding the maximum sum of a subarray of size k, or calculating moving averages. Variable Size Window A variable-size sliding window can expand or contract based on certain conditions. This technique is often used when you need to find the optimal subarray that satisfies specific criteria. Common Applications:

Topics: size sliding subarray variable window

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Believe It or Not, These 10 Foods Aren't Vegetarian, Experts Warn

cnet.com See Full Bio 2025-08-21 13:04:00

Do you think wine or vegetable soup is vegetarian? You might want to think again. Depending on how strictly you follow a vegetarian or vegan lifestyle, some seemingly plant-based foods might not make the cut. Surprising ingredients, including animal byproducts, can sneak into everyday staples like sugar, wine, and even corn tortillas. We spoke with food and drink experts to learn about 10 common foods that aren't always as vegetarian-friendly as they seem. Here's everything to know. Cheese Re

Topics: gelatin lard said use vegetarian

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AlphaGenome: AI for Better Understanding the Genome

news.ycombinator.com Unknown 2025-08-19 09:14:49

Science AlphaGenome: AI for better understanding the genome Share Copy link × Introducing a new, unifying DNA sequence model that advances regulatory variant-effect prediction and promises to shed new light on genome function — now available via API. The genome is our cellular instruction manual. It’s the complete set of DNA which guides nearly every part of a living organism, from appearance and function to growth and reproduction. Small variations in a genome’s DNA sequence can alter a

Topics: alphagenome dna model sequence variants

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Multi-Stage Programming with Splice Variables

news.ycombinator.com Unknown 2025-08-22 04:45:03

Multi-Stage Programming with Splice Variables This is an interactive demonstration of the ICFP 2025 paper Multi-Stage Programming with Splice Variables by Tsung-Ju Chiang and Ningning Xie. What is multi-stage programming? It's a technique where programs generate other programs. Instead of writing generic code that handles all cases at runtime, you generate specialized, optimized code tailored to specific situations. For example, instead of a power function that uses a loop, you could generate

Topics: code int let variable variables

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AlphaGenome: AI for better understanding the genome

news.ycombinator.com Unknown 2025-08-24 18:16:00

Science AlphaGenome: AI for better understanding the genome Share Copy link × Introducing a new, unifying DNA sequence model that advances regulatory variant-effect prediction and promises to shed new light on genome function — now available via API. The genome is our cellular instruction manual. It’s the complete set of DNA which guides nearly every part of a living organism, from appearance and function to growth and reproduction. Small variations in a genome’s DNA sequence can alter a

Topics: alphagenome dna model sequence variants

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Google DeepMind Releases AlphaGenome

news.ycombinator.com Unknown 2025-08-25 19:16:00

Science AlphaGenome: AI for better understanding the genome Share Copy link × Introducing a new, unifying DNA sequence model that advances regulatory variant-effect prediction and promises to shed new light on genome function — now available via API. The genome is our cellular instruction manual. It’s the complete set of DNA which guides nearly every part of a living organism, from appearance and function to growth and reproduction. Small variations in a genome’s DNA sequence can alter a

Topics: alphagenome dna model sequence variants

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Show HN: Ariadne – A Rust implementation of aperiodic cryptography

news.ycombinator.com Unknown 2025-09-02 19:54:06

Ariadne Suite ariadne.ciphernomad.org This repository contains the Ariadne Suite, our canonical Rust implementation of the Ariadne Protocol. The protocol is a novel cryptographic architecture we designed around the Labyrinth Construction to provide aperiodic, or non-repeating, cryptographic transformations. The project mission is to create resilient, open-source tools for digital sovereignty. This is independent research, released as a public good. Its continuation, development, and future s

Topics: ariadne cryptographic labyrinth protocol secret

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I Was Shocked to Learn These 10 Foods Aren't Vegetarian

cnet.com See Full Bio 2025-09-06 08:56:00

Think It's vegan? Think again. Depending on how strictly you follow a vegetarian or vegan lifestyle, some seemingly plant-based foods might not make the cut. Surprising ingredients, including animal byproducts, can sneak into everyday staples like sugar, wine, and even corn tortillas. You might be a pro at reading labels, but it's easy to assume certain items are animal-free when they're not. Here are 10 common foods that aren't always as vegetarian- or vegan-friendly as they seem. Cheese Rea

Topics: cheese lard said use vegetarian

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Latest Covid Variant Now Driving Over a Third of U.S. Cases

gizmodo.com Ed Cara 2025-09-10 09:46:23

The newest concerning variant of covid-19 is rapidly advancing across the U.S. Data from the Centers for Disease Control and Prevention shows that NB.1.8.1 has started to supplant other circulating strains of the coronavirus. According to the CDC’s latest Nowcast, covering the last two weeks through June 7, NB.1.8.1 is likely causing 37% of all covid-19 cases in the U.S., just barely behind the current dominant variant, LP.8.1 (38%). It’s an estimate, but the CDC’s numbers indicate a large surg

Topics: 19 cases covid nb variant

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What I Wish Someone Told Me When I Was Getting into ARIA

news.ycombinator.com Eric Bailey 2025-09-11 05:47:26

What I Wish Someone Told Me When I Was Getting Into ARIA 34 min read Share on Twitter, LinkedIn is an inevitability when working on web accessibility. That said, it’s everyone’s first time learning about ARIA at some point. Accessible Rich Internet Applications (ARIA) is an inevitability when working on web accessibility. That said, it’s everyone’s first time learning about ARIA at some point. If you haven’t encountered ARIA before, great! It’s a chance to learn something new and exciting. I

Topics: aria assistive button technology use

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New COVID variant swiftly gains ground in US; concern looms for summer wave

arstechnica.com Unknown 2025-09-12 05:30:43

While COVID-19 transmission remains low in the US, health experts are anxious about the potential for a big summer wave as two factors seem set for a collision course: a lull in infection activity that suggests protective responses have likely waned in the population, and a new SARS-CoV-2 variant with an infectious advantage over other variants. The new variant is dubbed NB.1.8.1. Like all the other currently circulating variants, it's a descendant of omicron. Specifically, NB.1.8.1 is derived

Topics: nb new percent variant variants

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Red team AI now to build safer, smarter models tomorrow

venturebeat.com Louis Columbus 2025-09-15 17:00:00

Join the event trusted by enterprise leaders for nearly two decades. VB Transform brings together the people building real enterprise AI strategy. Learn more Editor’s note: Louis will lead an editorial roundtable on this topic at VB Transform this month. Register today. AI models are under siege. With 77% of enterprises already hit by adversarial model attacks and 41% of those attacks exploiting prompt injections and data poisoning, attackers’ tradecraft is outpacing existing cyber defenses.

Topics: adversarial ai red security teaming

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WHO Monitors New Covid Variant Spreading in America and Europe

wired.com Fernanda González 2025-09-17 03:00:00

A new Covid variant is being kept under surveillance by the World Health Organization (WHO) as its emergence has led to an increase in infections in several regions of the world. First identified at the end of January, the variant—called NB.1.8.1 but known informally as “Nimbus”—is a descendant of the Omicron family of Covid sublineages, and has become increasingly prevalent throughout the spring in Europe, the Americas, and the Western Pacific. The virus has mutations that may increase its inf

Topics: covid nb nimbus variant virus

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Latest Tech News

Concurrent Programming with Harmony

The Scourge of Arial (2001)

First malaria treatment for babies approved for use

Vegetarians Beware, These 10 Foods Aren't Actually Plant-Based

Bulgaria to join euro area on 1 January 2026

Playdate Season 2 review: Taria & Como and Black Hole Havoc

Free as Air, Free as Water, Free as Knowledge (1992)

``Free as Air, Free as Water, Free as Knowledge'' (1992)

Sliding Window Technique Visualizer

Believe It or Not, These 10 Foods Aren't Vegetarian, Experts Warn

AlphaGenome: AI for Better Understanding the Genome

Multi-Stage Programming with Splice Variables

AlphaGenome: AI for better understanding the genome

Google DeepMind Releases AlphaGenome

Show HN: Ariadne – A Rust implementation of aperiodic cryptography

I Was Shocked to Learn These 10 Foods Aren't Vegetarian

Latest Covid Variant Now Driving Over a Third of U.S. Cases

What I Wish Someone Told Me When I Was Getting into ARIA

New COVID variant swiftly gains ground in US; concern looms for summer wave

Red team AI now to build safer, smarter models tomorrow

WHO Monitors New Covid Variant Spreading in America and Europe

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