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Concurrent Programming with Harmony

news.ycombinator.com Unknown 2026-01-13 23:22:12

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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Reading Neuromancer for the first time in 2025

news.ycombinator.com James Bareham 2026-01-17 16:48:44

Chiba City Greens | Illustration: James Bareham/MBH4H I have a confession: Until I started working at The Verge in 2016, I’d never heard of Neuromancer. I was, of course, familiar with many of Neuromancer’s themes: Cyberpunk and cyberspace, computer hacking, corporate espionage, cybernetic enhancements, virtual reality, artificial intelligence, and near-future worlds populated with leather jacket-wearing murderous street punks. I just didn’t know how many of these modern science fiction tropes

Topics: blade cyberpunk gibson neuromancer read

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Reverse proxy deep dive

news.ycombinator.com Mitendra Mahto 2026-01-12 16:49:39

Reverse proxy deep dive mitendra mahto 8 min read · Jun 25, 2025 -- Listen Share This post was originally published on my personal blog. A Deep Dive into Reverse Proxy A reverse proxy is a critical piece of software commonly found in various setups within a distributed system. You may have encountered it as a proxy enabling service mesh, a load balancer distributing the load among different database instances, or an edge proxy hiding the complexity behind a site. Several excellent reverse pr

Topics: connection connections event proxy thread

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The 20 Prime Day deals that are most popular with Verge readers

theverge.com Barbara Krasnoff 2026-01-18 10:28:35

It may not surprise anyone who is tech-aware that publications such as The Verge track the affiliate links that are clicked by their readers — in fact, every article that links to a vendor has this statement on top: “If you buy something from a Verge link, Vox Media may earn a commission.” So we will be totally honest with you: We do have some idea of which products our readers are purchasing during Amazon Prime Day. (But no, we have no idea what you personally purchased.) And it can be interes

Topics: apple case good readers usb

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Here are 60 Prime Day deals you can still nab for $50 or less

theverge.com Brandon Russell 2026-01-20 11:35:17

Amazon Prime Day is an excellent time to save on a wide range of big-ticket items, including 4K TVs, laptops, and the latest pairs of noise-canceling headphones. But if you, like me, are in the market for something more budget-friendly, rest assured that there are plenty of deals to be had for $50 or less. Thankfully, we’ve sifted through hundreds of discounts to find a host of Bluetooth speakers, charging accessories, video games, smart home devices, and other gadgets that come in under that th

Topics: 99 amazon low read time

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The 15 Prime Day deals that are most popular with Verge readers

theverge.com Barbara Krasnoff 2026-01-21 10:18:15

is a reviews editor who manages how-tos and various projects. She’s worked as an editor and writer (and occasional sci-fi author) for more years than she cares to admit to. She can be found on Threads as @barbarask. It may not surprise anyone who is tech-aware that publications such as The Verge track the affiliate links that are clicked by their readers — in fact, every article that links to a vendor has this statement on top: “If you buy something from a Verge link, Vox Media may earn a commi

Topics: apple readers retractable ve water

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As X loses its CEO, daily usage is down and competition is growing

techcrunch.com Sarah Perez 2026-01-22 00:16:54

With the departure of X CEO Linda Yaccarino, which was announced Wednesday, the company that defined text-first social networking faces renewed competition. Year-over-year, the Elon Musk-owned social network has seen its daily active user base decline by roughly 10% as of the second quarter of 2025, according to new data provided by app intelligence firm Sensor Tower. While X’s user base is still 65% larger than Meta’s Threads and 10 times larger than its next-biggest rival, Bluesky, X’s lastin

Topics: app meta threads users year

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The best Prime Day 2025 deals you can still get

theverge.com Brandt Ranj 2026-01-23 08:42:09

It’s the second day of Amazon’s four-day Prime Day sale, and if you’ve held out on making impulse buys so you can make informed purchases, you’ve come to the right place. We’ve collected the best deals we could find on everything from noise-canceling headphones and robot vacuums to the latest tablets and TVs, the bulk of which have been tried and tested by Verge writers and editors. We pbasut as much confidence in our budget-friendly battery picks as we do the pricier gaming monitors we’ve inclu

Topics: 99 amazon low price read

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The 205 Prime Day 2025 deals you can still get

theverge.com Brandt Ranj 2026-01-24 10:07:04

It’s the second day of Amazon’s four-day Prime Day sale, and if you’ve held out on making impulse buys so you can make informed purchases, you’ve come to the right place. We’ve collected the best deals we could find on everything from noise-canceling headphones and robot vacuums to the latest tablets and TVs, the bulk of which have been tried and tested by Verge writers and editors. We put as much confidence in our budget-friendly battery picks as we do the pricier gaming monitors we’ve included

Topics: 99 amazon low price read

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Why the AI moratorium’s defeat may signal a new political era

technologyreview.com Grace Huckins 2026-01-24 05:00:00

Granted, there’s an argument to be made that the moratorium’s defeat was highly contingent. Blackburn appears to have been motivated almost entirely by concerns about children’s online safety and the rights of country musicians to control their own likenesses; state lawmakers, meanwhile, were affronted by the federal government’s attempt to defang legislation that they had already passed. And even though powerful technology firms such as Andreessen Horowitz and OpenAI reportedly lobbied in favo

Topics: ai andreessen breadth moratorium state

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Amazon Celebrates Prime Day, the New Kindle Color Sees a 40% Drop to Its Lowest Price Yet

gizmodo.com Gizmodo Deals 2026-01-24 15:35:35

With summer holidays approaching, Kindle sales are increasing: Nobody wants to lug heavy books around on holiday, and a Kindle gives the perfect solution to avoid that. Black and white only was all Kindle readers could do for years, but now color has arrived, and the new ones are fast on the best-seller charts. This Prime Day, the Kindle Colorsoft Signature Edition 32GB is available at an all-time low, nearly 40% off: For $179, down from the regular $279, this is a deal that’s hard to overlook

Topics: colorsoft edition kindle reading signature

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The 10 Prime Day deals that are most popular with Verge readers

theverge.com Barbara Krasnoff 2026-01-25 00:15:00

is a reviews editor who manages how-tos and various projects. She’s worked as an editor and writer (and occasional sci-fi author) for more years than she cares to admit to. She can be found on Threads as @barbarask. It may not surprise anyone who is tech-aware that publications such as The Verge track the affiliate links that are clicked by their readers — in fact, every article that links to a vendor has this statement on top: “If you buy something from a Verge link, Vox Media may earn a commi

Topics: apple good readers ve water

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The 200 Prime Day 2025 deals you can still get

theverge.com Brandt Ranj 2026-01-25 05:53:45

It’s the second day of Amazon’s four-day Prime Day sale, and if you’ve held out on making impulse buys so you can make informed purchases, you’ve come to the right place. We’ve collected the best deals we could find on everything from noise-canceling headphones and robot vacuums to the latest tablets and TVs, the bulk of which have been tried and tested by Verge writers and editors. We put as much confidence in our budget-friendly battery picks as we do the pricier gaming monitors we’ve included

Topics: 99 amazon low price read

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Wallpaper Wednesday: More great phone wallpapers for all to share (July 9)

androidauthority.com Unknown 2026-01-25 15:30:15

C. Scott Brown / Android Authority Welcome to Wallpaper Wednesday! In this weekly roundup, we’ll give you a handful of Android wallpapers you can download and use on your phone, tablet, or even your laptop/PC. The images will come from folks here at Android Authority as well as our readers. All are free to use and come without watermarks. File formats are JPG and PNG, and we’ll provide images in both landscape and portrait modes, so they’ll be optimized for various screens. For the newest wall

Topics: android authority images link reader

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The Capacity, Performance, and Reliability of MicroSD Cards

news.ycombinator.com Unknown 2026-01-22 03:33:36

Or: What are the best microSD cards you can get for under $15 in 2024 2025? Before you get in: Support me on Patreon! If you just want to see my (current) top picks, click here. If you want to see details on the cards I’m testing, click here. If you want to see the table with my raw data, click here. If you want to see more ways you can help, click here. If you want to read in more detail about the background behind this project and my methodology, read on! Table of Contents Introductio

Topics: card cards data read write

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This $85 Kindle deal is the one most people should buy for Prime Day

zdnet.com Nina Raemont 2026-01-26 10:13:00

ZDNET's key takeaways Amazon's base model Kindle promises quicker page-turning, a brighter display, and a fun matcha green colorway (alongside the classic black) It's on sale for $85 during Prime Day The e-reader is more reactive and vivid, and reading anything on the lightweight, portable device is convenient. This model has the shortest battery life out of the entire lineup, but it's still six weeks long. View now at Amazon The base model Kindle is on sale during Prime Day for $85, $20 les

Topics: base kindle model reader reading

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The best Prime Day deals on games, hardware, and accessories

theverge.com Brandt Ranj 2026-01-26 10:00:00

Amazon Prime Day is the perfect time to score incredible deals on games to fill your backlog, as well as essential accessories like controllers, headsets, and storage expansion for your next-gen console. Combing through thousands of deals to find the ones actually worth your time is tedious, though, which is why we’ve done the heavy lifting and collected the best ones here. A ton of great games are on sale, including Star Wars Outlaws, which is currently on sale for $41 off at Amazon for both t

Topics: 99 amazon best game read

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WhatsApp is working on threaded replies in group chats

9to5mac.com Marcus Mendes 2026-01-27 15:22:07

Last March, WhatsApp beta for Android introduced a much-requested feature for busy group chats: threaded replies. Now, the iOS beta has added support as well, hinting that a public launch may be getting close. Here’s what it looks like. Replies indicator, with a dedicated screen for each thread As reported by WABetaInfo, the latest WhatsApp TestFlight beta lays the groundwork for threaded message replies, a long-awaited feature that will let users view and participate in structured threads tie

Topics: feature group message replies threaded

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Microsoft Teams now has threaded conversations

theverge.com Tom Warren 2026-01-27 15:04:32

is a senior editor and author of Notepad , who has been covering all things Microsoft, PC, and tech for over 20 years. Microsoft has added threaded conversations to its Teams communications app this week. After promising to launch the highly-requested feature in mid-2025, Microsoft is now releasing a public preview of threaded conversations for Teams users to enable. The Microsoft Teams threads integration debuts in the channels section of the app, where it works a little differently to how Sl

Topics: conversations microsoft teams threaded threads

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The 181 best Prime Day 2025 deals that we found

theverge.com Cameron Faulkner 2026-01-27 20:27:50

Prime Day, Amazon’s four-day thunderdome of exclusive deals, is here. Outside of Black Friday and Cyber Monday, we anticipate this to be the best moment of the year to score discounts on headphones, laptops, TVs, gaming gear, and really anything else that might be on your wishlist — or someone else’s. We sorted through thousands of deals, ultimately narrowing it down to including products we’ve tried (many of which we’ve reviewed) and can vouch for. To repeat, there will be four — count ’em — f

Topics: 99 amazon available low read

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The Kindle Paperwhite is my favorite E Ink reader right now (and on sale for Prime Day)

zdnet.com Maria Diaz 2026-01-28 00:19:00

ZDNET's key takeaways The Kindle Paperwhite Signature Edition is on sale for $149. I've been testing the Kindle Paperwhite Signature Edition, which features the fastest performance yet and up to 12 weeks of battery life; alternatively, the 16 GB Kindle Paperwhite is available for $125. Remember that Amazon's promise of up to 12 weeks of battery life assumes 30 minutes of daily use with wireless off. $199.99 at Amazon $199.99 at Target $199.99 at Best Buy more buying choices The Amazon Kindle

Topics: kindle paperwhite reading tablet tcl

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The 180 best Prime Day 2025 deals that we found

theverge.com Cameron Faulkner 2026-01-28 00:12:28

Prime Day, Amazon’s four-day thunderdome of exclusive deals, is here. Outside of Black Friday and Cyber Monday, we anticipate this to be the best moment of the year to score discounts on headphones, laptops, TVs, gaming gear, and really anything else that might be on your wishlist — or someone else’s. We sorted through thousands of deals, ultimately narrowing it down to including products we’ve tried (many of which we’ve reviewed) and can vouch for. To repeat, there will be four — count ’em — f

Topics: 99 amazon available low read

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Why I recommend this Kindle e-reader to bookworms and tablet users alike - especially at $100 off

zdnet.com Allison Murray 2026-01-28 05:19:00

ZDNET's key takeaways The Kindle Colorsoft is normally $279, but is on sale at Amazon. It has a bright display (even in direct sunlight), customizable color settings, and zippy performance while browsing titles and turning pages. It could be a bit larger to get the full effect of the color display. $279.99 at Amazon $279.99 at Target more buying choices The Amazon Kindle Colorsoft Signature Edition tablet comes with 32GB of storage and a generous $100 discount, bringing it down to just $180 (

Topics: color colorsoft display kindle readers

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The Kindle most people should buy is majorly discounted for Prime Day

zdnet.com Nina Raemont 2026-01-28 05:40:26

ZDNET's key takeaways Amazon's base model Kindle promises quicker page-turning, a brighter display, and a fun matcha green colorway (alongside the classic black) It's on sale for $85 during Prime Day The e-reader is more reactive and vivid, and reading anything on the lightweight, portable device is convenient. This model has the shortest battery life out of the entire lineup, but it's still six weeks long. $109.99 at Amazon $109.99 at Target $109.99 at Best Buy more buying choices The base

Topics: base kindle model reader reading

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Threads is nearing X’s daily app users, new data shows

techcrunch.com Sarah Perez 2026-01-30 15:41:32

Instagram Threads is close to catching up to top competitor X in terms of mobile app users, according to new data from market intelligence provider Similarweb. In June 2025, Threads’ mobile app for iOS and Android saw 115.1 million daily active users, representing 127.8% year-over-year growth; X reached 132 million daily actives, as its year-over-year growth declined by 15.2%. By comparison, decentralized social network Bluesky grew a sizable 372.5% year-over-year as of June, but its worldwide

Topics: bluesky daily million threads users

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These are 5 tricks I use and recommend to improve reading on any Android device

androidauthority.com Unknown 2026-01-31 06:00:36

Tushar Mehta / Android Authority Do you also struggle with information overload yet scramble to catch up on topics that truly interest you? I certainly do, especially since reading and keeping track of daily developments is a pertinent requirement of my job. Thankfully, I have developed a system that helps me keep focused while reading, even when motivation tanks. While the constant deluge of information never ends, I use some tricks to tame my desire to stay up to date with all — even remotel

Topics: android app kindle reading screen

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Operators, Not Users and Programmers

news.ycombinator.com Unknown 2026-01-31 02:41:46

This post is part 0 of a multi-part series called “the computer of the next 200 years”. the modern distinction between “programmers” and “users” is evil and destroys agency. consider how the spreadsheets grow🔗 spreadsheets are hugely successful. Felienne Hermans, who has spent her career studying spreadsheets, attributes this success to "their immediate feedback system and their continuous deployment model": the spreadsheet shows you its result as soon as you open it, and it requires no steps

Topics: like malleable software spreadsheets systems

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ADXL345 (2024)

news.ycombinator.com Unknown 2026-01-30 20:40:30

The ADXL345 is a MEMS accelerometer made by Analog Devices. It’s a popular device among hobbyists because of its low cost, easy availability and rich feature set. But apparently you should be careful about where you buy them: one of my readers ended up with a bunch of ADXL345s that had significant offsets, measurement axes that didn’t work at all, and an inoperative freefall detection mode. After spending lots of time trying to get them to work, he decided to send them to me instead and hopefull

Topics: chip layer mems readout right

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ADXL345 Die Analysis

news.ycombinator.com Unknown 2026-01-31 08:40:30

The ADXL345 is a MEMS accelerometer made by Analog Devices. It’s a popular device among hobbyists because of its low cost, easy availability and rich feature set. But apparently you should be careful about where you buy them: one of my readers ended up with a bunch of ADXL345s that had significant offsets, measurement axes that didn’t work at all, and an inoperative freefall detection mode. After spending lots of time trying to get them to work, he decided to send them to me instead and hopefull

Topics: chip layer mems readout right

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The Morning After: Big, Beautiful Fallout

engadget.com Unknown 2026-02-03 02:15:23

The so-called “Big, Beautiful Bill” has passed with plenty of nasty treats for the US technology and manufacturing industries. As well as swinging the sword at basic environmental protection measures, the bill sticks its thumb in the eye of the EV industry. Tim Stevens takes you on a tour of the most salient changes, like the imminent end of the EV tax credit. Joining that on the bonfire is the used EV incentive, as well as the rebates for the purchase of commercial EVs. Similarly, for all of t

Topics: continue ev new reading solar

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Latest Tech News

Concurrent Programming with Harmony

Reading Neuromancer for the first time in 2025

Reverse proxy deep dive

The 20 Prime Day deals that are most popular with Verge readers

Here are 60 Prime Day deals you can still nab for $50 or less

The 15 Prime Day deals that are most popular with Verge readers

As X loses its CEO, daily usage is down and competition is growing

The best Prime Day 2025 deals you can still get

The 205 Prime Day 2025 deals you can still get

Why the AI moratorium’s defeat may signal a new political era

Amazon Celebrates Prime Day, the New Kindle Color Sees a 40% Drop to Its Lowest Price Yet

The 10 Prime Day deals that are most popular with Verge readers

The 200 Prime Day 2025 deals you can still get

Wallpaper Wednesday: More great phone wallpapers for all to share (July 9)

The Capacity, Performance, and Reliability of MicroSD Cards

This $85 Kindle deal is the one most people should buy for Prime Day

The best Prime Day deals on games, hardware, and accessories

WhatsApp is working on threaded replies in group chats

Microsoft Teams now has threaded conversations

The 181 best Prime Day 2025 deals that we found

The Kindle Paperwhite is my favorite E Ink reader right now (and on sale for Prime Day)

The 180 best Prime Day 2025 deals that we found

Why I recommend this Kindle e-reader to bookworms and tablet users alike - especially at $100 off

The Kindle most people should buy is majorly discounted for Prime Day

Threads is nearing X’s daily app users, new data shows

These are 5 tricks I use and recommend to improve reading on any Android device

Operators, Not Users and Programmers

ADXL345 (2024)

ADXL345 Die Analysis

The Morning After: Big, Beautiful Fallout

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