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Haskell, Reverse Polish Notation, and Parsing

news.ycombinator.com Unknown 2026-02-20 15:07:19

My Side Quest into Haskell, Reverse Polish Notation, and Parsing 26 Jun, 2025 My Journey into Haskell: Building a Reverse Polish Notation Calculator Introduction: A Side Quest In my attempt to get my first paycheck, aka get a job, I have led myself down a fascinating rabbit hole into functional programming, mathematical notation, and parsing theory. This is the story of how I discovered Haskell, tackled reverse Polish notation, and learned about monadic parsing along the way. My journey bega

Topics: eval haskell int parser xs

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WinUAE 6 Amiga Emulator

news.ycombinator.com Unknown 2026-02-24 12:13:55

Major update to custom chipset emulation. Internally almost everything in main chipset emulation has been rewritten. Fastest possible/JIT mode chipset timing/sync had major changes which can cause side-effects. Bugs are very possible, especially in very rarely used features. Custom chipset rewrite Custom chipset emulation (Agnus/Alice and Denise/Lisa) almost completely rewritten. Almost every part of chipset emulation is now internally cycle accurate. Custom chipset Denise/Lisa emulation is

Topics: chipset emulated emulation keyboard mode

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The Calculator-on-a-Chip (2015)

news.ycombinator.com Unknown 2026-02-24 06:38:41

Calculator Articles The Arrival of the "Calculator-on-a-Chip" During the late 1960s and early 1970s a major aim of the calculator electronics companies was to integrate all of the functionality of a calculator into one integrated circuit, so producing a "Calculator-on-a Chip". © 2015 Nigel Tout This is a new article which was not originally in "The International Calculator Collector". Introduction As told in the section "The Story of the Race to Develop the Pocket Electronic Calculator", fro

Topics: busicom calculator calculators chip mostek

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Atomic "Bomb" Ring from KiX (1947)

news.ycombinator.com Unknown 2026-02-20 20:24:18

Release date: 1947 | Where to purchase: eBay 1947 | “It’s a seething scientific sensation!” In 1947, General Mills’ KiX cereal brand offered the Atomic “Bomb” Ring as a premium in exchange for 15 cents plus a cereal box top. Also known as the Lone Ranger Atomic Bomb Ring, it was a reflection of the public’s preoccupation with the power and potential of atomic energy at the time. The ring had an adjustable gold-coloured band with lightning-blast explosions on its sides. An aluminum warhead was

Topics: 1947 atomic bomb ring spinthariscope

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Speeding up PostgreSQL dump/restore snapshots

news.ycombinator.com Unknown 2026-02-24 06:42:19

The last few pgstream releases have focused on optimizing snapshot performance, specifically for PostgreSQL targets. In this blog post, we’ll walk through the key improvements we made, share the lessons we learnt, and explain how they led to significant performance gains. But first, some context! What is pgstream? pgstream is an open source CDC(Change Data Capture) tool and library that offers Postgres replication support with DDL changes. Some of its key features include: Replication of DDL

Topics: batch data database pgstream replication

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So Long, ‘Anthem,’ See Ya In the Skies

gizmodo.com Justin Carter 2026-02-24 09:50:55

In February 2019, Dragon Age and Mass Effect developer BioWare released Anthem, a third-person shooter about human Freelancers donning armored Javelin suits to fight monsters and various factions. After seven years, EA is permanently taking the live-service game down on January 12, 2026, and with it, a chapter in the studio’s modern era is forever gone. To know Anthem is to know its tumultuous life; the game famously suffered from crunch and internal struggles owing to BioWare’s knowledge of se

Topics: anthem bioware ea game just

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Love Is in the Air in The New ‘Chainsaw Man: Reze Arc’ Trailer

gizmodo.com Justin Carter 2026-02-24 11:15:50

If you’ve been hankering for some Chainsaw Man in anime form, MAPPA is taking the shonen anime to theaters with the upcoming Reze Arc movie. During this weekend’s festivities at Anime Expo, the studio unleashed a new trailer show how much love, death, and caranage await Denji and the gang in September. Set after the anime’s first season, things kick off with Denji’s boss Makima finally agreeing to go on a date with him. Just as he’s reeling from getting to achieve another facet of normal life,

Topics: anime chainsaw denji man reze

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Today's Wordle Hints, Answer and Help for July 6, #1478

cnet.com See Full Bio 2026-02-24 11:00:03

Gael Cooper CNET editor Gael Fashingbauer Cooper, a journalist and pop-culture junkie, is co-author of "Whatever Happened to Pudding Pops? The Lost Toys, Tastes and Trends of the '70s and '80s," as well as "The Totally Sweet '90s." She's been a journalist since 1989, working at Mpls.St.Paul Magazine, Twin Cities Sidewalk, the Minneapolis Star Tribune, and NBC News Digital. She's Gen X in birthdate, word and deed. If Marathon candy bars ever come back, she'll be first in line.

Topics: 1989 author cooper gael journalist

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Google faces EU antitrust complaint over AI Overviews

techcrunch.com Anthony Ha 2026-02-24 08:36:54

In Brief A group known as the Independent Publishers Alliance has filed an antitrust complaint with the European Commission over Google’s AI Overviews, according to Reuters. The complaint accuses Google of “misusing web content for Google’s AI Overviews in Google Search, which have caused, and continue to cause, significant harm to publishers, including news publishers in the form of traffic, readership and revenue loss.” It also says that unless they’re willing to disappear from Google searc

Topics: ai google publishers search traffic

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Inside a Utah desert facility preparing humans for life on Mars

cnbc.com Magdalena Petrova 2026-02-24 09:00:01

Hidden among the majestic canyons of the Utah desert, about 7 miles from the nearest town, is a small research facility meant to prepare humans for life on Mars. The Mars Society, a nonprofit organization that runs the Mars Desert Research Station, or MDRS, invited CNBC to shadow one of its analog crews on a recent mission. "MDRS is the best analog astronaut environment," said Urban Koi, who served as health and safety officer for Crew 315. "The terrain is extremely similar to the Mars terrain

Topics: analog crew mars research said

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Major Satellite Suddenly Disappears

futurism.com Unknown 2026-02-24 05:45:58

A satellite designed to monitor human-made methane emissions has gone missing in space. Dubbed MethaneSAT, the $88 million spacecraft was launched into orbit aboard a SpaceX rocket in March 2024 and was expected to collect data on the potent greenhouse gas for at least five years. But for the past two weeks, the satellite's operators, the nonprofit Environmental Defense Fund, have been unable to establish contact. Now, in a final blow, mission control says that MethaneSAT has lost power, crus

Topics: data edf gas methane satellite

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Did you know: Your phone supports a 320MP camera, but companies choose to skip them

androidauthority.com Unknown 2026-02-24 08:00:04

Ryan Haines / Android Authority The smartphone industry has been through a brutal megapixel war over the last few years, jumping to 48MP, 50MP, 64MP, and 108MP cameras. Companies then upped the ante in 2022 and 2023 by offering 200MP camera phones, and we’ve stayed at this resolution since then. Did you know that recent flagship Android phones actually support more than 200MP sensors, though? In fact, they support 320MP cameras. However, companies haven’t adopted 320MP cameras just yet. Here’s

Topics: 320mp camera cameras phone support

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Apple is reportedly working on a cheaper MacBook, but will it stick the landing?

9to5mac.com Michael Burkhardt 2026-02-24 12:21:00

This week, we heard some news from analyst Ming-Chi Kuo about Apple entering a new segment of the laptop market. The company is reportedly working on a new MacBook at a lower starting price point than the MacBook Air, and it’ll apparently pack the A18 Pro chip found in iPhone 16 Pro and iPhone 16 Pro Max. While a cheaper MacBook is certainly a welcome add, the question truly stands: will Apple do it properly, or will it serve as another decoy model? Rumor refresh To quickly recap, the cheaper

Topics: air apple cheaper ipad macbook

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Amazon's Echo Spot drops to only $45 for Prime Day

engadget.com Unknown 2026-02-24 11:46:25

Engadget has been testing and reviewing consumer tech since 2004. Our stories may include affiliate links; if you buy something through a link, we may earn a commission. Read more about how we evaluate products . It's still a couple of days until Prime Day 2025 officially kicks off, but the sales are already here. There's deals on some of our favorite products, like the TP-Link Deco AXE5400 WI-Fi mesh router system and the Amazon Fire TV Stick 4K Max. Now, another Amazon device is on sale: the

Topics: amazon day deals echo prime

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Gecode is an open source C++ toolkit for developing constraint-based systems

news.ycombinator.com Unknown 2026-02-24 03:43:41

2019-09-10 MPG Sources on GitHub The sources for Modeling and Programming with Gecode are now available on GitHub. 2019-04-12 Gecode 6.2.0 Gecode 6.2.0 has been released on April 12th, 2019 (Changelog). 2019-02-14 Gecode 6.1.1 Gecode 6.1.1 has been released on February 14th, 2019 (Changelog). 2018-10-19 Gecode 6.1.0 Gecode 6.1.0 has been released on October 19th, 2018 (Changelog).

Topics: 2019 changelog gecode github released

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X-Clacks-Overhead

news.ycombinator.com Unknown 2026-02-20 11:14:19

About the Signal X-Clacks-Overhead is a non-standardised HTTP header based upon the fictional work of the late, great, Sir Terry Pratchett. In Terry Pratchett's science-fantasy Discworld series, "The Clacks" is a network infrastructure of Semaphore Towers, that operate in a similar fashion to telegraph - named "Clacks" because of the clicking sound the system makes as signals send. In Sir Terry's novel "Going Postal", the story explains that the inventor of the Clacks - a man named Robert Dea

Topics: clacks header pratchett sir terry

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Cops in [Spain] think everyone using a Google Pixel must be a drug dealer

news.ycombinator.com Unknown 2026-02-24 12:11:05

Update, July 3, 2025 (11:45 AM ET): The crew behind GrapheneOS is understandably none too pleased about their good name being dragged through the mud, and members are speaking out about these reports from Spain. Over on X, the official GrapheneOS account posts: European authoritarians and their enablers in the media are misrepresenting GrapheneOS and even Pixel phones as if they’re something for criminals. GrapheneOS is opposed to the mass surveillance police state these people want to impose o

Topics: 2025 et good grapheneos police

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Latest Sales Data Reveal Clear Winners And Losers in a Messy EV Market

gizmodo.com Luc Olinga 2026-02-24 10:49:22

The second quarter of 2025 painted a chaotic picture of the electric vehicle market in the United States. While General Motors enjoyed a breakout quarter, most other automakers, especially Tesla and Ford, stumbled hard. EV sales are now a mix of breakthroughs and breakdowns. And all of this is happening under a White House that has turned decisively against green subsidies. GM Breaks Away From the Pack Despite a political environment hostile to clean energy, GM managed to deliver a stunning 1

Topics: electric ev ford tesla vehicles

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Robinhood Wants to Redo Wall Street on the Blockchain

gizmodo.com Luc Olinga 2026-02-24 12:27:24

Robinhood, the company behind one of the most popular trading apps for everyday investors, just revealed a sweeping new vision for the future of finance. And its bold plan seems to leave traditional Wall Street institutions behind. The company announced a daring set of new products this week from Cannes, France. These offerings are designed to move traditional financial assets, like company stocks, investment funds (ETFs), and even complex trading tools called derivatives, entirely onto the blo

Topics: assets blockchain crypto digital robinhood

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I Found Out Ring and Nextdoor's Rules on Posting About ICE Raids, Police and More

cnet.com See Full Bio 2026-02-24 08:00:00

In a surprise trend of the year, a growing number of communities are using apps like Ring Neighbors and Nextdoor to discuss and track ICE immigration raids. These security apps and associated security cams and video doorbells weren't exactly intended to follow federal agents, but it's proven to be a popular effort in areas like California. While law enforcement retains the ability to request home security videos with a warrant, they aren't used to being on the receiving end of this technology.

Topics: enforcement like neighbors posts ring

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Wi-Fi and Your Walls: Our Experts Share This One Secret to Optimizing Your Internet Connection

cnet.com See Full Bio 2026-02-24 08:00:00

When it comes to your home internet connection, there's one question we get asked quite a bit: Does Wi-Fi travel through walls? The short answer is yes, but the long answer is a bit more complicated. I spoke with several experts, including CNET's Laboratory Technical Project Manager, Gianmarco Chumbe, to find out everything you need to know about how your home's walls can impact your connection. It's a simple question, but it has a big impact on your Wi-Fi connection. "As with any radio signal,

Topics: fi home internet router wi

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The curious rise of giant tablets on wheels

arstechnica.com Unknown 2026-02-24 06:00:23

Over the past few years, LG has set off a strange tech trend that’s been rolling onto devices sold across Amazon and other online electronics retailers. In 2022, the company launched the StanbyME, which is essentially a $1,000 27-inch tablet running LG's smart TV operating system (OS), webOS, but lacking a tuner. LG's press release announcing the device described it as a “wireless private TV screen with a built-in battery” that is easily portable and ideal for watching shows and movies, in addi

Topics: harding scharon screen tablet tv

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Everything You Can Do in the Photoshop Mobile App

wired.com David Nield 2026-02-24 06:30:00

You know your software is a success when its name becomes a verb: You'll now commonly hear about images being photoshopped, even if the editing wasn't done with the Adobe image editor. Adobe might not like it, but the usage shows how dominant its flagship product has become. On mobile though, Photoshop hasn't achieved the same kind of ubiquity or brand recognition. We've had official Photoshop apps of various types down the years, but none of them have really translated the power and feature se

Topics: background image ll new photoshop

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Mercedes-Benz electric G-Wagen review: king of the off-road

theverge.com Peter Nelson 2026-02-24 08:00:00

As exciting as it is to see how electric technology redefines automotive transportation, it’s just as exciting to see how it alters what we already have. In the aftermarket, EV-converted restomods are quickly becoming big business. But direct from manufacturers, there’s great potential in electrifying legacy badges by seamlessly blending old design with new technology. Case in point is the 2025 Mercedes-Benz G580 with EQ Technology, better known as the EV Geländewagen (which is German for all-t

Topics: design ev g580 road technology

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Deltarune is halfway done, but it feels like a full game

theverge.com Jay Peters 2026-02-24 09:00:00

is a news editor covering technology, gaming, and more. He joined The Verge in 2019 after nearly two years at Techmeme. It’s been an agonizing wait for more Deltarune. The first chapter of the episodic, parallel story to Toby Fox’s acclaimed RPG Undertale came out nearly seven years ago. But the newly released third and fourth chapters are so good that I highly recommend playing everything that’s available right now — even if there are still three more episodes to go. In Deltarune, you play as

Topics: chapter deltarune game like undertale

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Samsung is about to find out if Ultra is enough

theverge.com Allison Johnson 2026-02-24 11:00:00

I don’t often get asked about the phones I’m testing when I’m out and about, unless it’s a folding phone. Then I usually hear some version of the same thing: “Oh, I thought about getting one of those! But then I just got a [insert slab-style phone name here].” My anecdotal data matches the actual sales figures; there are many more people curious about folding phones than there are buyers of folding phones. Samsung would very much like that to not be the case, and, by all indications, it’s about

Topics: foldables folding phone phones samsung

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YouTube Premium offers many more perks that I didn’t know I was paying for

androidauthority.com Unknown 2026-02-24 11:30:02

Rita El Khoury / Android Authority I’ve been subscribed to YouTube Premium for many years now, and yet I didn’t know what I was exactly paying for. In my mind, I always associated Premium with an ad-free experience; being able to get rid of all those pesky long and interrupting ads before or while watching a video is alone worth the price. Adding the family benefits for my husband, and the fact that this works everywhere, including on our TVs, makes it more of a no-brainer. Even though I don’t

Topics: free premium video watching youtube

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Log your weight in Apple Health quickly and cheaply with this iPhone-compatible smart scale

9to5mac.com Benjamin Mayo 2026-02-24 10:53:49

After my last WiFi-enabled smart scale broke and refused to connect to the Internet anymore, I sought something simpler and cheaper to replace it. The old scale had all sorts of fancy service integrations that I never used. I just wanted something that would track my weight and report the measurements to the Health app on my iPhone. The Eufy C20 smart scale is what I landed on and I’m very happy with it — and it’s pretty cheap too. Here’s how it works … Firstly, the scale works completely inde

Topics: app eufy health just scale

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ADXL345 (2024)

news.ycombinator.com Unknown 2026-02-24 02:40:30

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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Scientists capture slow-motion earthquake in action

news.ycombinator.com University Of Texas At Austin 2026-02-20 03:00:17

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: Tectonic setting around Japan. Centroid Moment Tensor solution shows the mechanism of the 2024 Hyuga-nada earthquake (b) Pre-seismic SSE (contour interval: 5 cm) 10 July, 2023–6 August, 2024. Pre-slip with Mw6.0 was detected in the down dip extension of the 2024 Hyuga-nada earthquake, Japan, from late 2023. (c) Cumul

Topics: earthquake fault japan science slow

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Latest Tech News

Haskell, Reverse Polish Notation, and Parsing

WinUAE 6 Amiga Emulator

The Calculator-on-a-Chip (2015)

Atomic "Bomb" Ring from KiX (1947)

Speeding up PostgreSQL dump/restore snapshots

So Long, ‘Anthem,’ See Ya In the Skies

Love Is in the Air in The New ‘Chainsaw Man: Reze Arc’ Trailer

Today's Wordle Hints, Answer and Help for July 6, #1478

Google faces EU antitrust complaint over AI Overviews

Inside a Utah desert facility preparing humans for life on Mars

Major Satellite Suddenly Disappears

Did you know: Your phone supports a 320MP camera, but companies choose to skip them

Apple is reportedly working on a cheaper MacBook, but will it stick the landing?

Amazon's Echo Spot drops to only $45 for Prime Day

Gecode is an open source C++ toolkit for developing constraint-based systems

X-Clacks-Overhead

Cops in [Spain] think everyone using a Google Pixel must be a drug dealer

Latest Sales Data Reveal Clear Winners And Losers in a Messy EV Market

Robinhood Wants to Redo Wall Street on the Blockchain

I Found Out Ring and Nextdoor's Rules on Posting About ICE Raids, Police and More

Wi-Fi and Your Walls: Our Experts Share This One Secret to Optimizing Your Internet Connection

The curious rise of giant tablets on wheels

Everything You Can Do in the Photoshop Mobile App

Mercedes-Benz electric G-Wagen review: king of the off-road

Deltarune is halfway done, but it feels like a full game

Samsung is about to find out if Ultra is enough

YouTube Premium offers many more perks that I didn’t know I was paying for

Log your weight in Apple Health quickly and cheaply with this iPhone-compatible smart scale

ADXL345 (2024)

Scientists capture slow-motion earthquake in action

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