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The term “monad” is often invoked when describing patterns in functional programming. Yet explanations typically swing between high-level metaphors and deep mathematical abstractions. Each approach offers part of the picture, intuition without precision, or rigor without intuition but seldom both. Monads can be idealized as a container (albeit is a flawed metaphor) or context holding a value (or multiple values, or no value), but in some cases we will get into later on it’s better to think of i
We’re cruising 35,000 feet over the French Riviera, the plane’s wing cutting through billows of white. Below us, the sea is sparkling, and I spot a cluster of yachts anchored along the coastline. A ray of light hits my glass of Champagne and turns it to liquid gold. I take another sip. So this is what it feels like to be on cloud nine. I’m flying from London to St. Tropez with the private aviation company Wheels Up, and for the first time in my life, I don’t want a flight to end. Once you’ve go
The wait is almost over for sci-fi fans eager for the next chapter of Invasion, one of Apple’s bets in the genre. And alongside the premiere date, Apple TV+ just released the teaser for what’s to come. Here are the details. Invasion season 3 premieres August 22 Here is the first official teaser for Invasion season 3, which just dropped on the Apple TV+ YouTube channel: “Invasion” follows an alien invasion through different perspectives around the world. In season three, those perspectives col
Astronomers have, for the first time, witnessed a star meeting a dramatic end by exploding twice. In a study published in Nature Astronomy, researchers analyzed the centuries-old remains of supernova SNR 0509-67.5 with the European Southern Observatory’s Very Large Telescope, finding the first visual evidence of a star’s “double-detonation.” Most supernovae are the explosive result of massive stars collapsing when they exhaust their nuclear fuel. Others, though, come from white dwarfs, the ina
The autonomous software revolution is coming. At Transform 2025, Ashan Willy, CEO of New Relic and Sam Witteveen, CEO and co-founder of Red Dragon AI, talked about how they’re instrumenting agentic systems for measurable ROI and charting the infrastructure roadmap to maximize agentic AI. New Relic provides observability to customers by capturing and correlating application, log, and infrastructure telemetry in real time. Observability goes beyond monitoring — it’s about equipping teams with the
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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 that time of year again when Amazon is hosting deals on everything from wireless earbuds to air fryers. Starting July 8, Prime Day will run for four days with deep price cuts on smart home gadgets, including the Roomba Robot Vacuum and Mop Combo from iRobot that drops down to an a
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There’s nothing like the feeling of a freshly vacuumed floor. It doesn’t matter if you’re picking up pet hair, cereal crumbs, or whatever gets tracked in from outside, a good vacuum makes it all disappear. But dragging out a heavy, corded vacuum every time you need a quick cleanup isn’t just annoying. It can keep you from actually doing the vacuuming at all. If you’re the type of person affected by this and your laziness meter goes up exponentially when having to deal with a heavy machine, then
ZDNET's key takeaways The Tineco Pure One Station 5 vacuum cleaner is available on Amazon for $459. It's a powerful cordless vacuum with a self-emptying base station, perfect for pet owners and parents. Some parts can be finicky, like lining up the floor brush on the base station, or its accessories getting stuck and not easily detaching. $459 at Amazon Since I began testing the Tineco Pure One Station 5, I've reached for it for everyday messes over any other vacuum at home. It's proven to be
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I knew the AI on these smart glasses worked pretty well once it told me that someone else in the conversation was being the socially awkward one. TranscribeGlass are smart eyeglasses that aim to do exactly what it says on the tin: transcribe spoken conversations and project subtitles onto the glass in front of your eyes. They’re meant for the Deaf and, primarily, the hard-of-hearing community who struggle to read lips or pick out a conversation in a loud room. Most face computers are graceless
Don't get lost in big Hacker News discussions! HackerNewt is a Hacker News client that uses an alternative way of displaying comment tree. Advantages over traditional interfaces: - Comment width doesn't get narrower no matter how deep in the tree you are - You always see the parent of the comment you're currently reading - Swiping allows you to move in and out of subtrees with animated transitions that you fully control - You can easily skip subtrees that don't interest you by simply scrolling A
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Editor’s note: Amazon Prime Day will run from July 8th through 11th, but if you want to get a head start on your shopping, we’ve compiled a guide to the best early Prime Day deals you can already get. Robot vacuums are impressive devices that will clean your floors well and — thanks to bigger batteries and better robot brains — rarely get tired of doing their job. Over the last few years, they have gone from being utilitarian devices that sweep your floor to full-fledged home robots that can va
After a blockbuster June, Lego’s having more of a quiet month in July, perhaps in an attempt to get us outside in the sweltering heat rather than indoors with a fan blasting in our faces as we build lots of Lego. But that doesn’t mean there isn’t anything to tempt your wallet with this month. As Lego gears up for its typically huge month of releases for August, July is looking a bit quiet. But notable highlights include a massive Battle Droid and STAP for Star Wars fans to get stuck into and a
Marvel Rivals is gearing up for the start of season 3 next week, and we got our first look at some of the upcoming changes, including glimpses at the two new fan-favorite Marvel heroes, Phoenix (Jean Grey) and Blade. The season trailer also heavily teased that the villain Knull might be making his way to the game in future seasons. Season 3 is a major turning point for the hero shooter, marking the start of its new two-month seasons and the start of the era where we'll be getting new heroes eve
An mRNA-based seasonal flu vaccine from Moderna was 27 percent more effective at preventing influenza infections than a standard flu shot, the company announced this week. Moderna noted that the new shot, dubbed mRNA-1010, hit the highest efficacy target that it set for the trial, which included nearly 41,000 people aged 50 and above. Participants were randomly assigned to receive either mRNA-1010 or a standard shot and were then followed for about six months during a flu season. Compared to t
An mRNA-based seasonal flu vaccine from Moderna was 27 percent more effective at preventing influenza infections than a standard flu shot, the company announced this week. Moderna noted that the new shot, dubbed mRNA-1010, hit the highest efficacy target that it set for the trial, which included nearly 41,000 people aged 50 and above. Participants were randomly assigned to receive either mRNA-1010 or a standard shot and were then followed for about six months during a flu season. Compared to t
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 . Shopping for the best cordless vacuum cleaners means finding that sweet spot between power, portability and convenience. Whether you're cleaning up after pets, tackling hardwood floors or reaching those tricky spots under the couch, cordless vacuums offer freedom and versatility that t
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I just launched JS1024 — a creative coding challenge with a strict limit: 1024 bytes of JavaScript. No libraries. No frameworks. Just raw code. You can submit visual effects, generative art, tiny games, synths, or whatever you can fit into 1KB of JavaScript. → https://js1024.fun/ Think of it as a spiritual successor to JS1k or the 4k demoscene — with a modern twist. Would love feedback, ideas, or help spreading the word. And if you’ve ever made a tiny JS demo, please share — I’d love to see
If you read my previous post, The time is right for a DOM templating API, you might be wondering what such an API would look like. Let's dive into that question now. What are we building? First, let's clarify what we're trying to design here, because when people hear the abstract template API idea described, before there's a concrete proposal or examples, they can sometimes think of very different things. In webcomponents/1069 I propose that we add a "declarative JavaScript templating API"
Robert F. Kennedy Jr. appeared on the latest episode of Tucker Carlson’s podcast on Monday and it’s filled with the ramblings of a man completely detached from reality. Kennedy falsely suggested vaccines cause autism, more or less endorsed the idea that Anthony Fauci should go to prison, and says that AI will allow the FDA to approve new drugs very quickly. It’s quite a mess. These absolutely unhinged ideas wouldn’t be such a problem if this were any other fringe lunatic appearing on the podcas
Mishaal Rahman / Android Authority TL;DR Samsung’s One UI 8 update will introduce a new “Advanced Protection” mode, a one-click toggle to easily enable multiple security features at once. This optional mode activates various safeguards, such as blocking app sideloading, preventing USB data access, and disabling 2G network connections. The feature is part of Android 16 and expands on Google’s Advanced Protection Program, making high-level security accessible to all users. Samsung phones offer
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:
Don't get lost in big Hacker News discussions! HackerNewt is a Hacker News client that uses an alternative way of displaying comment tree. Advantages over traditional interfaces: - Comment width doesn't get narrower no matter how deep in the tree you are - You always see the parent of the comment you're currently reading - Swiping allows you to move in and out of subtrees with animated transitions that you fully control - You can easily skip subtrees that don't interest you by simply scrolling A