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PyTorch Reshaping with None

news.ycombinator.com Unknown 2026-02-27 22:03:45

PyTorch Reshaping with None Currently I am learning attention mechanism from Dive into Deep Learning book. In the book I see following implementation in masked softmax: def sequence_mask (X, valid_len, value = - 1e6 ): """ X is 2D array (number_of_points, maxlen), valid_len is 1D array (number_of_points)""" max_len = X . size( 1 ) mask = torch . arange(max_len, dtype = torch . float32, device = X . device)[ None , :] < valid_len[:, None ] X[ ~ mask] = value return X In sequential data process

Topics: device mask max_len torch valid_len

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Netflix is removing over 20 games, including Hades and Monument Valley

engadget.com Unknown 2026-03-05 15:30:23

It's the latest sign of trouble for gaming on the streamer. Netflix's games arm is struggling. The streamer is removing over 20 games from its library, including popular titles like Hades and all three Monument Valley games. It follows the closure of Netflix's AAA gaming studio in October. The games will leave Netflix in July, so there's not much time left to play them. Here are all the titles dropping off of the streamer: Battleship Braid, Anniversary Edition Carmen Sandiego CoComelon: Pl

Topics: games monument netflix streamer valley

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What tech titans Linus Torvalds and Bill Gates talked about in their first meeting

zdnet.com Steven Vaughan-Nichols 2026-03-06 00:00:19

Microsoft/Mark Russinovich Boy, do I wish I had been at this dinner. For decades, Microsoft and Linux fought like cats and dogs. However, while the conflict has cooled down, and Microsoft loves Linux these days, the two leaders, Microsoft founder Bill Gates and Linux creator Linus Torvalds, had never met… until now. Also: Your jump from Windows 10 to Linux gets easier with KDE Plasma 6.4 Mark Russinovich, Microsoft Azure CTO, decided it would be neat if he could somehow get the pair and Dave

Topics: dinner guitar linux microsoft torvalds

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Curated realities: An AI film festival and the future of human expression

arstechnica.com Unknown 2026-03-06 02:00:47

Last week, I attended a film festival dedicated to shorts made using generative AI. Dubbed AIFF 2025, it was an event precariously balancing between two different worlds. The festival was hosted by Runway, a company that produces models and tools for generating images and videos. In panels and press briefings, a curated list of industry professionals made the case for Hollywood to embrace AI tools. In private meetings with industry professionals, I gained a strong sense that there is already a

Topics: ai festival film industry tools

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I Solved a 7-Day Calculation Problem in a Weekend

news.ycombinator.com Jithin Sankar 2026-03-02 02:32:43

How I Solved a 7-Day Calculation Problem in a weekend Jithin Sankar Follow 3 min read · 3 days ago 3 days ago -- Listen Share In a previous project, my team was building a SaaS application. The scenario was this: we had a slider for setting a price, from $0.00 to $10.00. When you moved the slider, the app would show you the projected sales for that price. The slider input was combined with two other attributes, Region and SKU name. The problem was performance. Each time the slider moved, it wo

Topics: days price seconds slider values

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The Steam Deck OLED is back in stock

theverge.com Emma Roth 2026-03-06 15:51:31

is a news writer who covers the streaming wars, consumer tech, crypto, social media, and much more. Previously, she was a writer and editor at MUO. If you’ve been itching to get a handheld, but the Switch 2 isn’t quite up your alley, now you can get your hands on a Steam Deck OLED. As spotted by @Wario64, Valve has started selling the device on its online store again after it was out of stock in the US and Canada for over a week. Earlier this month, Valve cited “recent supply chain constraints

Topics: come deck oled steam valve

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The Newest Alamo Drafthouse Is a World-First Godzilla Cinematic Experience

gizmodo.com James Whitbrook 2026-03-07 10:00:42

Alamo Drafthouse is working on a multi-year alliance with Toho that will bring with it new merch and special Godzilla programming—and it’s kicking off today with the opening of a new Drafthouse theater in California that will become the world’s first fully Godzilla-themed cinema. io9 can exclusively reveal the first details about Drafthouse and Toho’s new partnership, which formally kicks off with today’s opening of the Alamo Drafthouse Valley Fair, at Westfield Valley Fair in Santa Clara, Cali

Topics: drafthouse fair godzilla new valley

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Bill Gates and Linus Torvalds meet for the first time at tech titans' dinner

techspot.com Rob Thubron 2026-03-07 20:22:00

What just happened? Given that there was a time when Microsoft called Linux a "cancer," it's little surprise that the Redmond firm's co-founder and long-time boss Bill Gates had never met Linus Torvalds, creator of the Linux kernel. But that changed recently when the two attended a dinner, and it appears to have gone well. Microsoft chief technical officer Mark Russinovich posted evidence of the historic dinner in a LinkedIn post. Dave Cutler, the legendary programmer and lead architect of the

Topics: kernel linux microsoft time torvalds

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Homotopy Equivalences

news.ycombinator.com Unknown 2026-03-05 04:56:06

Previously: Fibrations and Cofibrations. In topology, we say that two shapes are the same if there is a homeomorphism– an invertible continuous map– between them. Continuity means that nothing is broken and nothing is glued together. This is how we can turn a coffe cup into a torus. A homeomorphism, however, won’t let us shrink a torus to a circle. So if we are only interested in how many holes the shapes have, we have to relax our notion of equivalence. Let’s go back to the definition of home

Topics: equivalence homotopy loop loops point

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2025 Alonzo Church Award: Paul Blain Levy for Call-by-Push-Value (CBPV)

news.ycombinator.com Unknown 2026-03-06 12:51:19

The 2025 Alonzo Church Award for Outstanding Contributions to Logic and Computation is presented to Paul Blain Levy for his fundamental study of effectful λ-calculi through the Call-by-Push-Value calculus. The awardee book and paper are: Paul Blain Levy. Call-By-Push-Value: A Functional/Imperative Synthesis. Semantics Structures in Computation 2, Springer 2004, ISBN 1-4020-1730-8 Paul Blain Levy. Call-by-Push-Value: Decomposing call-by-value and call-by-name. High.-Order Symb. Comput. 19(4): 3

Topics: calculus computation levy push value

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P-Hacking in Startups

news.ycombinator.com Lucas Da Costa 2026-03-04 00:56:28

Speed kills rigor. In startups, the pressure to ship fast pushes teams to report anything that looks like an improvement. That’s how p-hacking happens. This piece breaks down three common cases—and how to avoid them. Example 01: Multiple comparisons without correction Imagine you're a product manager trying to optimize your website’s dashboard. Your goal is to increase user signups. Your team designs four different layouts: A, B, C, and D. You run an A/B/n test. Users are randomly assigned to

Topics: 05 95 positive test value

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Sound As Pure Form: Music Language Inspired by Supercollider, APL, and Forth

news.ycombinator.com Unknown 2026-03-08 10:17:51

WHAT This program is called: "A tool for exploring sound as pure form." or "sound as pure form" or "sapf" It is an interpreter for a language for creating and transforming sound. The language is mostly functional, stack based and uses postfix notation similar to FORTH. It represents audio and control events using lazy, possibly infinite sequences. It intends to do for lazy sequences what APL does for arrays: provide very high level functions with pervasive automatic mapping, scanning, and reduct

Topics: 10 function list stack value

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Open source can't coordinate?

news.ycombinator.com Unknown 2026-03-09 07:06:12

Open Source Can’t Coordinate I was taking a shower this morning, and was pondering yesterday’s problem, where I suspect that I have an outdated version of hotspot Linux profiler, but I can’t just go and download a fresh release from GitHub, because hotspot is a KDE app, and I use NixOS. And NixOS isn’t a problem — it’s a solution. Linux on desktop is a rickety tower of competing libraries, protocols and standards, which is always in an Escheresque sort of perpetual motion, taking off but simul

Topics: coordinate decade linux shift value

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College baseball, venture capital, and the long maybe

news.ycombinator.com Unknown 2026-03-05 23:20:32

The Pitch Deck. The deck is often the introduction of a venture capitalist to a company, sent after a warm intro. For the athlete, the pitch deck consists of video and some metrics, posted on Twitter (the LinkedIn of college baseball). In both cases, the best story is (naturally) being told: they aren’t dishonest, but they also aren’t going to emphasize flaws or risks. In my experience, pitch decks are important, but not as important as the underlying business; similarly, terrific video of a bul

Topics: coaches high round term valuation

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College Baseball, Venture Capital, and the Long Maybe

news.ycombinator.com Unknown 2026-03-06 05:20:32

The Pitch Deck. The deck is often the introduction of a venture capitalist to a company, sent after a warm intro. For the athlete, the pitch deck consists of video and some metrics, posted on Twitter (the LinkedIn of college baseball). In both cases, the best story is (naturally) being told: they aren’t dishonest, but they also aren’t going to emphasize flaws or risks. In my experience, pitch decks are important, but not as important as the underlying business; similarly, terrific video of a bul

Topics: coaches high round term valuation

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Open source can't coordinate

news.ycombinator.com Unknown 2026-03-10 18:06:12

Open Source Can’t Coordinate I was taking a shower this morning, and was pondering yesterday’s problem, where I suspect that I have an outdated version of hotspot Linux profiler, but I can’t just go and download a fresh release from GitHub, because hotspot is a KDE app, and I use NixOS. And NixOS isn’t a problem — it’s a solution. Linux on desktop is a rickety tower of competing libraries, protocols and standards, which is always in an Escheresque sort of perpetual motion, taking off but simul

Topics: coordinate decade linux shift value

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Homomorphically Encrypting CRDTs

news.ycombinator.com Unknown 2026-03-14 20:59:58

Here’s a problem with local-first software. You want to work on a document together with a friend who lives far away from you. That sounds like local-first’s bread and butter: store the document as a CRDT, then use some sort of sync server to merge updates and relay them between you and your friend. But there’s a catch: the contents of that document are secret. So secret, in fact, that you don’t even want the app developer to know what they are. One way to solve this is end-to-end encryption.

Topics: clock encrypted peer self value

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Fintech Ramp's valuation hits $16 billion in deal led by Peter Thiel's Founders Fund

cnbc.com Eric Rosenbaum 2026-03-16 09:16:27

Ramp, which offers a financial operations platforms to corporate clients, has raised its valuation to $16 billion in a new fundraising led by long-time investor Founders Fund, Peter Thiel's venture firm. The $200 million round is the fifth that Founders' has led for Ramp and raised its valuation by $3 billion. It last raised money at a $13 billion valuation in March. Founded in 2019, Ramp offers services that cover corporate cards, procurement, bookkeeping, travel booking, and vendor managemen

Topics: billion founders raised ramp valuation

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Resurrecting a dead torrent tracker and finding 3M peers

news.ycombinator.com Kian Bradley 2026-03-16 08:40:19

So I was uh, downloading some linux isos, like usual. It was going slowly, so I opened up the Trackers tab in qBittorrent and saw the following: Most of the trackers were totally dead. Either the hosts were down or the domains weren’t being used. That got me thinking. What if I picked up one of these dead domains? How many clients would try to connect? What are trackers for, anyways? A tracker is a core component of the BitTorrent protocol. Trackers are the services that point you to other p

Topics: code count interval opentracker trackers

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In just 3 months, Ramp’s valuation jumped to $16B, up from $13B

techcrunch.com Julie Bort 2026-03-16 08:10:57

In Brief Spend management startup Ramp announced on Tuesday that it raised a $200 million Series E led by its largest investor, Founders Fund, at a post-money valuation of $16 billion. This is a jaw-dropping $3 billion increase over the $13 billion valuation Ramp announced just a few months ago in March, after a $150 million secondary share sale. Its current valuation is also more than double the $7.65 billion post-money valuation Ramp hit a little over a year ago when it raised $150 million.

Topics: billion capital million ramp valuation

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Apple launches Back to School shopping promo: free AirPods and more

9to5mac.com Chance Miller 2026-03-17 18:33:07

Apple’s Back to School promotion for 2025 is now available. For a limited time, eligible customers can get AirPods or another eligible accessory for free when they buy a new iPad, MacBook, or iMac. That comes in addition to the year-round discount Apple offers on items sold through the Apple Store for Education. MacBook If you buy a new MacBook, you can get an eligible accessory of your choice valued at up to $199 with your purchase: AirPods 4 with Active Noise Cancellation ($179 value) AirP

Topics: apple education eligible ipad value

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The US Navy is more aggressively telling startups, ‘We want you’

techcrunch.com Connie Loizos 2026-03-18 03:40:06

While Silicon Valley executives like those from Palantir, Meta, and OpenAI are grabbing headlines for trading their Brunello Cucinelli vests for Army Reserve uniforms, a quieter transformation has been underway in the U.S. Navy. How so? Well, the Navy’s chief technology officer, Justin Fanelli, says he has spent the last two and a half years cutting through the red tape and shrinking the protracted procurement cycles that once made working with the military a nightmare for startups. The efforts

Topics: fanelli navy said techcrunch valley

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Writing a Truth Oracle in Lisp

news.ycombinator.com Unknown 2026-03-16 22:50:53

This post assumes some familiarity with typed functional programming, Lisp, and formal logic. Today we will attempt to write a truth oracle in Lisp. By "truth oracle," I mean a program that can determine whether arbitrary mathematical statements are true or false. This might sound impossible, due to first-order logic being undecidable, but let's try anyway. Before that, though, we need to go over some required concepts. Extracting information from proofs First, sometimes, we can extract info

Topics: function proof right type value

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How to watch new Apple TV+ movie starring Sydney Sweeney and Julianne Moore

9to5mac.com Benjamin Mayo 2026-03-19 19:32:20

Echo Valley is a new movie streaming worldwide on Apple TV+ from today. The R-rated thriller stars Sydney Sweeney and Julianne More, playing mother and daughter roles. If you’ve never used Apple’s streaming service before, here’s how to get started. Echo Valley is available to watch exclusively through the Apple TV app, which is the home of Apple TV+ streaming service. Alongside movies to buy or rent, the TV+ tab includes a catalog of almost 300 original TV shows and movies to watch. That libr

Topics: app apple echo tv valley

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I replaced my living room TV with this 4K laser projector for a month - and didn't regret it

zdnet.com Chris Bayer 2026-03-22 02:00:20

ZDNET's key takeaways Valerion's VisionMaster Pro 2 retails for $2,999. This premium-built laser TV projects up to a 300-inch screen. It's still not ideal for brightly lit rooms (like all projectors). $2,999 at Amazon I chose the word "glorious" in the headline for this review because that word sprang to mind when I first laid eyes on the VisionMaster Pro 2 projector from Valerion -- and that was before I even plugged it in. Valerion, a sister company to Awol Vision, is just over a year old,

Topics: pro projector tv valerion visionmaster

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‘All of You,’ new Apple TV+ movie starring Brett Goldstein, gets a premiere date

9to5mac.com Marcus Mendes 2026-03-23 01:33:40

Apple TV+ has officially set a release date for All of You, its upcoming romantic drama starring and co-written by Ted Lasso breakout Brett Goldstein, who also recently appeared in Season 2 of the Apple TV+ hit Shrinking. Here’s when you can watch it. According to a post on the official Apple TV+ X account, the film will premiere in select theaters and stream on Apple TV+ starting September 26. "A love story for grown-ups.” – @EW Brett Goldstein and Imogen Poots star in a new romantic drama

Topics: apple festival goldstein lasso tv

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Ancient Roman Street Vendors Served Up Songbirds

gizmodo.com Ellyn Lapointe 2026-03-23 13:35:17

Ancient Romans in need of a quick bite often chowed down on fried songbirds, new research suggests. A researcher working on the island of Mallorca found bones of song thrushes inside a trash pit near the ruins of an ancient fast food joint. The study, published in May in the International Journal of Osteoarchaeology, suggests that thrushes were commonly sold and consumed in Roman cities. This challenges the long-held belief that these small, speckled birds were a delicacy reserved for elite ban

Topics: food mallorca roman thrushes valenzuela

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Mythical Games launches FIFA Rivals worldwide touting digital ownership

venturebeat.com Dean Takahashi 2026-03-23 21:00:00

FIFA Rivals, the officially licensed arcade-style mobile soccer game, is now available for download on the App Store and Google Play around the world. Powered by FIFA’s global license and Mythical Games’ hybrid Web2/Web3 game platform, FIFA Rivals delivers an arcade-style football experience with gamers building their dream teams and attempting to dominate their rivals by competing in live events and PvP leagues. Following a successful soft launch, the global launch introduces innovative featu

Topics: fifa game mythical players rivals

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Type-based vs. Value-based Reflection

news.ycombinator.com Unknown 2026-03-22 08:34:42

Type-based vs Value-based Reflection Frequently, whenever the topic of Reflection comes up, I see a lot of complains specifically about the new syntax being added to support Reflection in C++26. I’ve always thought of that as being largely driven by unfamiliarity — this syntax is new, unfamiliar, and thus bad. I thought I’d take a different tactic in this post: let’s take a problem that can only be solved with Reflection and compare what the solution would look like between: the C++26 value-ba

Topics: reflection std template type value

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Anne Wojcicki has a new offer to take 23andMe private, this time for $74.7 million

cnbc.com Ashley Capoot 2025-11-19 02:43:50

23andMe CEO Anne Wojcicki and New Mountain Capital have submitted a proposal to take the embattled genetic testing company private, according to a Friday filing with the U.S. Securities and Exchange Commission. Wojcicki and New Mountain have offered to acquire all of 23andMe's outstanding shares in cash for $2.53 per share, or an equity value of approximately $74.7 million. The company's stock closed at $2.42 on Friday with a market cap of about $65 million. The offer comes after a turbulent y

Topics: 23andme company friday stock value

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Latest Tech News

PyTorch Reshaping with None

Netflix is removing over 20 games, including Hades and Monument Valley

What tech titans Linus Torvalds and Bill Gates talked about in their first meeting

Curated realities: An AI film festival and the future of human expression

I Solved a 7-Day Calculation Problem in a Weekend

The Steam Deck OLED is back in stock

The Newest Alamo Drafthouse Is a World-First Godzilla Cinematic Experience

Bill Gates and Linus Torvalds meet for the first time at tech titans' dinner

Homotopy Equivalences

2025 Alonzo Church Award: Paul Blain Levy for Call-by-Push-Value (CBPV)

P-Hacking in Startups

Sound As Pure Form: Music Language Inspired by Supercollider, APL, and Forth

Open source can't coordinate?

College baseball, venture capital, and the long maybe

College Baseball, Venture Capital, and the Long Maybe

Open source can't coordinate

Homomorphically Encrypting CRDTs

Fintech Ramp's valuation hits $16 billion in deal led by Peter Thiel's Founders Fund

Resurrecting a dead torrent tracker and finding 3M peers

In just 3 months, Ramp’s valuation jumped to $16B, up from $13B

Apple launches Back to School shopping promo: free AirPods and more

The US Navy is more aggressively telling startups, ‘We want you’

Writing a Truth Oracle in Lisp

How to watch new Apple TV+ movie starring Sydney Sweeney and Julianne Moore

I replaced my living room TV with this 4K laser projector for a month - and didn't regret it

‘All of You,’ new Apple TV+ movie starring Brett Goldstein, gets a premiere date

Ancient Roman Street Vendors Served Up Songbirds

Mythical Games launches FIFA Rivals worldwide touting digital ownership

Type-based vs. Value-based Reflection

Anne Wojcicki has a new offer to take 23andMe private, this time for $74.7 million

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