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How to draw lambda diagrams (2020)

news.ycombinator.com Unknown 2026-01-07 08:57:31

If you don’t want spoilers for my puzzle a few days ago, don’t read ahead! I think lambda diagrams are extremely cool, and haven’t seen any detailed description on how they work online. I’ll start by showing some very simple examples of lambda diagrams, and then build up to more complicated ones. First of all, what are lambda diagrams? They are pictorial representations of lambda expressions, and hence count as a pictorial system for a large portion of mathematics. I will assume that you under

Topics: function lambda line λx λy

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Animated Cursors

news.ycombinator.com Unknown 2026-01-07 14:59:25

Tattoy now supports animated cursors. It uses the same format as Ghostty, therefore rendering the cursor using custom shaders. Here are some popular Ghostty cursors, that you can use out-of-the-box with Tattoy. Even though Tattoy supports Ghostty cursors its rendering is quite different. Ghostty renders the cursor using actual pixels whereas Tattoy renders using UTF8 text-based "pixels", namely "▀" and "▄". This means that Tattoy cursors sometimes miss out on the subtleties of Ghostty cursors,

Topics: cursor ghostty pixels tattoy terminal

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Vanilla JavaScript support for Tailwind Plus

news.ycombinator.com Unknown 2026-01-07 15:11:21

There are a lot of UI blocks in Tailwind Plus that need JavaScript to really be useful, like dialogs, dropdowns, command palettes, and more. And unless you're a React or Vue user, using those UI blocks has always meant writing all of that tricky JavaScript yourself. Well today that finally changes — every UI block in Tailwind Plus is now fully functional, accessible, and interactive, including the plain HTML examples. Now you can use any dropdown, command palette, dialog, drawer, and more in a

Topics: 75 class el gray text

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Phone Carriers Sweeten Their Deals for Samsung's Galaxy Z Fold 7, Z Flip 7 and Watch 8

cnet.com See Full Bio 2026-01-07 12:50:00

Samsung's new Galaxy phones are shipping and available in select stores starting today, and the major phone carriers are primed to get them into your hands. If you've been contemplating this next generation of foldable phones (or the health features of the new watches), these new deals and trade-in offers for the Galaxy Z Fold 7, Z Flip 7, Z Flip 7 FE and Galaxy Watch 8 models might convince you to upgrade. And don't forget to catch up on all the announcements from Samsung Unpacked. Note that t

Topics: deals device flip fold galaxy

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Netflix Launches a Surprise 'Happy Gilmore' Game Alongside the New Film

cnet.com See Full Bio 2026-01-07 14:00:08

It's all in the hips -- err, rather, it's all in the fingers -- in Happy Gilmore: Golf Mayhem '98 Demo, a new Netflix game based on the Adam Sandler film. The streaming giant launched the surprise game the same day it released Happy Gilmore 2, a sequel to the classic '90s film. The game is a chaotic trip down memory lane, just the way Happy would have wanted. "I don't want a piece of you. I want the whole thing." Netflix Anyone with a Netflix subscription (which start at $8 a month) can play t

Topics: game games gilmore happy netflix

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Google TV gets a new home on this 2nd-gen 4K streaming stick

androidauthority.com Unknown 2026-01-07 20:24:28

TL;DR The Xiaomi TV Stick 4K (2nd Gen) has launched, bringing upgrades over the previous model. It features a faster CPU and GPU, HDR10+ and Dolby Vision support, plus Wi-Fi 6. The device runs on the Google TV interface with personalized profiles and voice control. If you’re in the market for a portable streaming upgrade, there’s a new 4K stick in town. It purports to be a notable step up from the last one, and we were already fans of its predecessor. The newly launched Xiaomi TV Stick 4K (2

Topics: new stick support tv xiaomi

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I spent a week with the Samsung Galaxy Z Flip 7, and it's an even bigger leap than expected

zdnet.com Sabrina Ortiz 2026-01-07 20:12:58

Samsung Galaxy Z Flip 7 ZDNET's key takeaways The Samsung Galaxy Z Flip 7 has officially launched with a starting price of $1,099 With a bigger cover screen, thinner form factor, and improved battery life, it is Samsung's best take yet on the foldable To better compete in the foldable market, it could use a better camera system and faster charging. View now at Samsung The Galaxy Z Flip lineup has been the most popular of Samsung's foldable devices, and its appeal is clear -- who can't benefit

Topics: flip galaxy phone samsung screen

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Neon Now Runs in VS Code

news.ycombinator.com Jeffrey Christoffersen 2026-01-03 05:29:02

Developers love using Neon branches for a local development, due to the agility they provide (e.g. fast resets, isolated environments, and the ability to test without polluting production data). But using Neon branches still requires you to manage separate connection strings for different branches and ensure your application and its environment is properly set up to connect. Today, that gets a lot easier, especially if you’re a VS Code user! We’re launching Neon Local Connect, a new VS Code ext

Topics: branch branches extension local neon

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Implementing a Functional Language with Graph Reduction

news.ycombinator.com Unknown 2026-01-07 20:20:20

Implementing a Functional Language with Graph Reduction Posted on December 27, 2021 by Thomas Mahler Abstract Implementing a small functional language with a classic combinator based graph-reduction machine in Haskell. The implementation is structured into three parts: A λ-calculus parser from A Combinatory Compiler which was extended to cover a tiny functional language based on the untyped λ-calculus. A compiler from λ-calculus to combinatory logic combinators (S,K,I,B,C and Y) which i

Topics: expr graph readstref reduction var

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How to configure X11 in a simple way

news.ycombinator.com Eugene Andrienko 2026-01-07 20:02:37

Speaking about xrandr . I tried some GUI applications, like arandr, to switch between various multimonitor configurations — but found that they all are using just a limited subset of xrandr features. For example, I can't use mixed DPI settings or scale some outputs with arandr, but I can do it with xrandr: https://mas.to/@evgandr/114394277310057344. Yes, the X can do that! The well-known rumors (usually spreaded by Wayland fans) that only Wayland can do such things — looks like a fake. There a

Topics: axis inverted left normal right

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Elon Musk Swipes Back at Trump After Apparent Peace Offering

gizmodo.com Lucas Ropek 2026-01-07 20:20:05

Yesterday, President Trump seemed to offer an olive branch to his former “first buddy,” Elon Musk, amidst their ongoing spat. In a post made to Truth Social, Trump claimed that he didn’t wish any harm on Elon or his businesses. “Everyone is stating that I will destroy Elon’s companies by taking away some, if not all, of the large-scale subsidies he receives from the U.S. Government. This is not so! I want Elon, and all businesses within our Country, to THRIVE, in fact, THRIVE like never before!”

Topics: elon federal musk spacex trump

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Netflix’s push into tie-in games now includes two weird Happy Gilmore titles

theverge.com Andrew Webster 2026-01-07 20:00:00

Netflix seems to have finally settled on something resembling a strategy for its gaming efforts, and one of the key pillars is games tied to its shows and movies. That’s how we got the likes of Squid Game: Unleashed and Black Mirror’s Thronglets. Now, as Happy Gilmore 2 hits the streaming service, it’s accompanied by a pair of games that show just how promotional Netflix can be. The first game is actually pretty fun, though it’s not really a whole game. It’s called Happy Gilmore: Golf Mayhem ’9

Topics: game games gilmore happy netflix

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Tesla Rolling Out Robotaxis With Human Drivers in the Driver's Seat, Defeating the Purpose of a Robotaxi

futurism.com Unknown 2026-01-08 00:22:56

Tesla is planning to follow up on its extremely limited and technical-issues-plagued robotaxi service in Austin, Texas — with an even more limited rollout in San Francisco. According to an internal memo obtained by Business Insider, Elon Musk's EV maker is looking to accelerate its timeline by rolling out a robotaxi service across a large swathe of the Bay Area, as soon as this week. But there's a Gigafactory-sized caveat: a human safety operator will be sitting in the robotaxi's driver seat,

Topics: california robotaxi seat service tesla

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Google Maps brings music controls back, but the fix isn’t perfect

androidauthority.com Unknown 2026-01-08 00:00:56

Rita El Khoury / Android Authority TL;DR Media playback controls are back in Google Maps. Google confirmed earlier this week that the disappearance was a bug. The fix is likely being issued as a server-side update. Google Maps has long had media playback controls to minimize distractions when navigating. However, earlier this week, those controls suddenly disappeared without warning. Now it appears Google has brought the controls back. After reports started coming in about the missing playb

Topics: controls fix google media playback

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Pixel Buds Pro 2 and Pixel Watch 4 Leaks Just Spoiled Google’s Whole Party

gizmodo.com James Pero 2026-01-08 00:06:00

The faucet for Google leaks is on, and no one is home. After Google’s Pixel 10 was leaked by Google itself, and then the whole Pixel 10 family on top of that, we’re now getting an alleged look at the rest of the previously unconfirmed products from reputable gadget leaker Evan Blass. These particular leaks include images of not only Google’s Pixel Buds Pro 2 but also its next smartwatch, the Pixel Watch 4. Sorry, Google, looks like the whole cat is now out of the bag. While there’s nothing part

Topics: fold google leaks pixel watch

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Can Vibration Plates Help You Lose Weight? We Asked Experts to Find Out

cnet.com See Full Bio 2026-01-07 22:49:26

If you have any type of social media, you've likely seen someone trying to sell you a vibration plate claiming that they've lost weight by just standing on a small platform that vibrates. Similar to the mid-20th-century vibrating belt machines, vibration plates have been said to provide the body with various benefits and can even be a tool for weight loss. But is the hype backed by science and expert opinions, or is it all social media hearsay? To find out if you should add a vibration plate to

Topics: body exercise plate plates vibration

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The electric Stark Varg EX is brutally fast but a little too unrefined

arstechnica.com Unknown 2026-01-08 00:00:05

Stark Future provided flights from Albany, New York, to Barcelona, Spain, and accommodation so Ars could ride the Varg EX. Ars does not accept paid editorial content. The sport of off-roading suffers from a fundamental discordance: The desire to get out into nature and the irreparable harm inherent in the process of off-roading. That harm comes not only from damage to the land itself, but from an environment polluted with both fumes and noise. Off-roading in an EV isn't exactly a panacea, but

Topics: ex future motorcycle stark varg

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This Pixel 10 series leak is one giant leap for Moonstone color coordination

androidauthority.com Unknown 2026-01-08 00:24:04

Google TL;DR Good-quality unwatermarked renders show off Pixel 10 Pro, Pixel 10 Pro XL, Pixel Buds 2a, and Pixel Watch 4 before their official unveiling. The shared “Moonstone” color theme suggests a unified design language across Google’s upcoming hardware lineup. The Pixel 10 series launch is scheduled for August 20, 2025. In the run-up to the launch, we’ve been treated to a ton of leaks, some even coming directly from Google. If you’re yearning for a clean look at the upcoming phones, a ne

Topics: 10 google pixel pro xl

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Galaxy Watch 8 users are roasting Samsung over this awkward charging flaw

androidauthority.com Unknown 2026-01-08 05:37:49

C. Scott Brown / Android Authority TL;DR Samsung Galaxy Watch 8 owners complain it won’t charge properly on Samsung’s wireless charging pad. The issue stems from the curved default strap, which prevents the watch from lying flat on the Wireless Charger Duo. The included magnetic puck charger works fine, but users are frustrated by the poor fit with official accessories. Samsung has clearly impressed many people with the Galaxy Watch 8, including us. However, the tech giant may have overlooke

Topics: charging flat galaxy samsung watch

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Google invests in carbon dioxide battery for renewable energy storage

engadget.com Unknown 2026-01-08 10:00:45

Google has announced that it has signed a global commercial partnership with Milan-based startup Energy Dome and has also invested in its long duration energy storage (LDES) tech for renewable energy. The deal, its first investment in LDES tech, entails using Energy Dome's carbon dioxide battery for the grids that power Google’s operations around the world. Batteries are used to keep excess energy generated by renewable sources, such as solar and wind, during peak production and when demand is l

Topics: batteries dioxide dome energy renewable

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Engadget Podcast: A taste of iOS 26, iPadOS 26, macOS 26 and more

engadget.com Unknown 2026-01-08 10:30:44

We’ve been playing around with the developer betas of Apple’s latest software, and now that we’ve spent time with iOS 26, Liquid Glass and more on actual devices, we have thoughts. From representation in Genmoji and Live Translation adventures to Apple Intelligence musings, our hosts Cherlynn Low and Mat Smith share what you can expect on your iPhones later this year. We also go over our reviews of the Samsung Galaxy Watch 8 and Galaxy Z Flip 7, as well as Microsoft’s SharePoint server vulnerabi

Topics: apple engadget galaxy hosts podcast

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Why I swear by this Garmin smartwatch over competing models (including the Apple Watch Ultra)

zdnet.com Matthew Miller 2026-01-08 10:32:00

Garmin Venu X1 ZDNET's key takeaways The Garmin Venu X1 is available in two color options for $799.99. The big 2-inch display is fantastic, the LED flashlight is brilliant, the thin case and light band make it a joy to wear, and the calculator now has a tip button. The always-on mode reduces battery life significantly, the watch is expensive, and dual-band GPS is not installed. $799.99 at Amazon $799.99 at Crutchfield more buying choices I've been using Garmin sports watches for over a decade

Topics: apple garmin venu watch x1

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Apple AirPods Max (2020) Review: Insanely Great, Insanely Expensive

wired.com Parker Hall 2026-01-06 22:00:00

As the pandemic wheezes on, noise-canceling headphones have gone from being a tool for jet-setting business types to a requirement for work-from-home sanity. From the excellent new on-ear Beats models to the in-ear AirPods Pro (8/10, WIRED Recommends), Apple’s been making some of the best noise-canceling headphones for some time now. But in the tradition of a man named Jobs, some of the best won’t do. And so, with their bespoke aluminum ear cups, perfectly balanced volume knob—and $550 price ta

Topics: airpods apple ear headphones max

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Alexa+ preview: An almost philosophical exercise

engadget.com Unknown 2026-01-08 15:00:12

“Alexa, I need to write a review about you.” “Oh, a review? I’m intrigued! What’s the occasion? I’d love to hear what you think.” “There’s no occasion, this is just my work.” “Ah, I see. Writing a professional review, got it. I’m here to help if you need any specific information.” “Yeah, what should I consider when reviewing you?” “Consider my natural voice, emotional intelligence and my ability to handle complex tasks. How about my personality and humor? Those are key parts of the new me.”

Topics: alexa amazon asked assistant like

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Galaxy Watch 8 review: Samsung’s best smartwatch in years

engadget.com Unknown 2026-01-08 15:00:36

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 . I’m too tired to write this review. Last week, I penned a work-in-progress version because I hadn’t yet spent enough time to fully explore the new features Samsung packed into the Galaxy Watch 8 . One of those features is the new AI-powered running guidance, which I followed. I have r

Topics: galaxy gemini like samsung watch

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How to buy the Galaxy Z Fold 7, Z Flip 7 and Galaxy Watch 8 series

engadget.com Unknown 2026-01-08 15:01:25

Samsung's Galaxy Z Fold 7 features several notable upgrades over its predecessor. For starters, at 8.9mm, it's almost as thin as the S25 Ultra's 8.2mm and 26 percent thinner than the Fold 6. It also has some updates to its image quality, including a jump from a 50MP to a 200MP main camera. It also offers a 10MP 3X optical zoom camera, a 12MP ultra-wide camera and a 10MP cover screen selfie camera. Plus, the screen is a smidge bigger at 8 inches, up from 7.6 inches. The Fold 7 also features mult

Topics: camera fold galaxy samsung screen

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I Want Apple to Steal These Android Camera Features for the iPhone 17

cnet.com See Full Bio 2026-01-08 14:00:13

The iPhone 16 Pro already has a great camera system capable of taking photos so good you'd think they were taken on pro-level mirrorless cameras. I love the quality of all three rear lenses, and while I like recent features, such as the Photographic Styles and Apple's ProRaw image format, I think there's more the company can do to help photographers take their best ever photos. I've spent 14 years reviewing iPhones and Android phones from all brands for CNET, and as a professional photographer

Topics: camera image like phone xiaomi

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The Dexcom Continuous Glucose Monitor Receiver Recall: What You Need to Do to Stay Safe

cnet.com See Full Bio 2026-01-08 14:05:03

Some of Dexcom's continuous glucose monitoring receivers have been recalled due to speaker malfunctions, which can cause you to miss alerts or alarms for dangerous blood sugar levels. According to the Class I recall, there have been 112 complaints globally, with 56 reported injuries, since May 2025. Missing an alert from your continuous glucose monitor may result in health consequences like vomiting, seizures, loss of consciousness and hypoglycemic or hyperglycemic symptoms. Certain Dexcom G6,

Topics: continuous dexcom glucose receiver speaker

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The Best Samsung Phones of 2025, Tested and Reviewed

wired.com Julian Chokkattu 2026-01-08 15:03:00

Other Samsung Phones to Consider Galaxy A36. Photograph: Julian Chokkattu If you don't see a Samsung phone mentioned in this guide, that might be because it's not sold in the US and is a little harder to source for testing. But here are a few other Samsung phones I've tried to consider. Samsung Galaxy A36 5G for $400: The Galaxy A36 (6/10, WIRED Review) doesn't quite measure up to its peers from Nothing and Motorola. Performance is just too choppy, and that's not acceptable at this price. It'

Topics: features galaxy phone phones samsung

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This fan-made Galaxy S26 Ultra render is the phone I wish Samsung would make

androidauthority.com Unknown 2026-01-08 16:00:27

Joe Maring / Android Authority 🗣️ This is an open thread. We want to hear from you! Share your thoughts in the comments and vote in the poll below — your take might be featured in a future roundup. Although it’s a bit too early in the rumor cycle for concrete Galaxy S26 leaks, that hasn’t stopped people from talking about Samsung’s next phones. Mostly recently, that’s taken shape in r/SamsungGalaxy, where discussion of the Galaxy S26 Ultra is in full swing. Along with sharing some speculative

Topics: galaxy like s26 samsung ultra

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Latest Tech News

How to draw lambda diagrams (2020)

Animated Cursors

Vanilla JavaScript support for Tailwind Plus

Phone Carriers Sweeten Their Deals for Samsung's Galaxy Z Fold 7, Z Flip 7 and Watch 8

Netflix Launches a Surprise 'Happy Gilmore' Game Alongside the New Film

Google TV gets a new home on this 2nd-gen 4K streaming stick

I spent a week with the Samsung Galaxy Z Flip 7, and it's an even bigger leap than expected

Neon Now Runs in VS Code

Implementing a Functional Language with Graph Reduction

How to configure X11 in a simple way

Elon Musk Swipes Back at Trump After Apparent Peace Offering

Netflix’s push into tie-in games now includes two weird Happy Gilmore titles

Tesla Rolling Out Robotaxis With Human Drivers in the Driver's Seat, Defeating the Purpose of a Robotaxi

Google Maps brings music controls back, but the fix isn’t perfect

Pixel Buds Pro 2 and Pixel Watch 4 Leaks Just Spoiled Google’s Whole Party

Can Vibration Plates Help You Lose Weight? We Asked Experts to Find Out

The electric Stark Varg EX is brutally fast but a little too unrefined

This Pixel 10 series leak is one giant leap for Moonstone color coordination

Galaxy Watch 8 users are roasting Samsung over this awkward charging flaw

Google invests in carbon dioxide battery for renewable energy storage

Engadget Podcast: A taste of iOS 26, iPadOS 26, macOS 26 and more

Why I swear by this Garmin smartwatch over competing models (including the Apple Watch Ultra)

Apple AirPods Max (2020) Review: Insanely Great, Insanely Expensive

Alexa+ preview: An almost philosophical exercise

Galaxy Watch 8 review: Samsung’s best smartwatch in years

How to buy the Galaxy Z Fold 7, Z Flip 7 and Galaxy Watch 8 series

I Want Apple to Steal These Android Camera Features for the iPhone 17

The Dexcom Continuous Glucose Monitor Receiver Recall: What You Need to Do to Stay Safe

The Best Samsung Phones of 2025, Tested and Reviewed

This fan-made Galaxy S26 Ultra render is the phone I wish Samsung would make

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