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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
The great indentation war is over and it seems like we have a clear winner. Every now and then, while exploring a new programming language, I inevitably stumble upon a heated debate, often buried deep in a GitHub issue thread, where contributors are passionately arguing over whether the language’s formatter should default to tabs or spaces. Over the past few months, as I’ve been immersing myself in Zig, I encountered one such discussion. It got me thinking: After decades of writing code, how i
Do not use. Do not patch. This fork of dwm adds extra comments and is intended for educational uses only. If you try to patch this version of dwm then that will most likely fail, more so the relative comments will no longer apply or be misleading as the underlying code will have changed. If you are interested in dwm then get a fresh clone from the https://dwm.suckless.org/ site and use this as a reference rather than the basis for your build. This fork has 0 patches and also does not cover pa
We've been building general-purpose CPUs wrong for decades, apparently. That's the bold claim from Efficient Computer, a new startup stepping into the embedded market with their Electron E1 chip. For too long, our processors have been stuck in a control flow model, constantly shuffling data back and forth between caches, memory, and compute units – a process I think we can all agree that burns significant energy at every step. Efficient’s goal is to approach the problem by static scheduling and
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,
Never write your own date parsing library. Never. No exceptions. Never have I ever… So… I’ve written my own date parsing library. Why? Our story begins seven years ago in the year 2018. I made the very sensible choice to adopt luxon as the Date Parsing library for Eleventy. This parsing behavior is used when Eleventy finds a String for the date value in the Data Cascade (though YAML front matter will bypass this behavior when encountering a YAML-compatible date). This choice was good for El
Costanza asked Sussman why MIT had switched away from Scheme for their introductory programming course, 6.001. This was a gem. He said that the reason that happened was because engineering in 1980 was not what it was in the mid-90s or in 2000. In 1980, good programmers spent a lot of time thinking, and then produced spare code that they thought should work. Code ran close to the metal, even Scheme — it was understandable all the way down. Like a resistor, where you could read the bands and know
It's a DE9, Not a DB9. (But We Know What You Mean) You have been misusing the D-sub connector terminology, and we're guilty of it, too. You’ve seen them everywhere, especially on older computer equipment: the classic 9-pin serial connector. You probably know it as a DB9. It’s an iconic connector for makers, engineers, and anyone who's ever used an RS232 serial device. Here's a little secret, though: calling it a DB9 is technically wrong. The correct name is actually DE9. With the release of o
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
Modern humanity’s most famous cousins, the Neanderthals, may have had a clever, if unappealing, dietary trick for survival: maggots. Research out today posits these creepy crawly fly larvae provided Neanderthals an ample source of essential nitrogen and fat. Scientists at Purdue University, the University of Michigan, and others conducted the study, published Friday in Science Advances. Using both experimental and historical data, they showed that maggot-infused meat is rich in fat and nitrogen
For two straight weeks, Finland has been roasting under record-high temperatures. The country is facing its most intense and persistent heatwave in its recorded history, which has brought beach weather to towns above the Arctic Circle. Friday marked the 14th consecutive day that at least one part of Finland reached a temperature above 86 degrees Fahrenheit (30 degrees Celsius), according to the Finnish Meteorological Institute. Local weather stations across the country have also reported record
Ahead of Star Trek‘s usual blockbuster panel inside Hall H at San Diego Comic-Con, Entertainment Weekly has lifted the lid on the next new Trek show, Starfleet Academy—and with it, our first look at Paul Giamatti’s mysterious villain. In an extensive preview, Entertainment Weekly revealed a few more intriguing details about the show, which has largely remained hidden ahead of this weekend’s blowout appearance at Comic-Con. Set in the 32nd century after the events of Star Trek: Discovery—and at
Microsoft’s much-maligned Recall feature, which automatically screenshots everything you do on your Copilot+ PC to create a “photographic memory,” is not making many fans across the app developer community. According to a report from The Verge, ad blocker AdGuard and privacy-minded browser Brave have decided to block Recall and its prying eyes. Brave announced its plans to block Recall in a blog post published earlier this year, in which it tipped its cap to Signal, the encrypted messaging app
Hasbro’s Marvel Legends Roleplay line has given us some wonderful replicas over the years, from legendary weapons to iconic masks and helmets. Now, we’re getting another ripped right out of Deadpool & Wolverine, and io9 has your exclusive look up close. To me, my X-Men! To celebrate Hasbro’s Marvel Legends panel at San Diego Comic-Con, io9 has your exclusive reveal on the Wolverine mask joining the lineup of Legends replicas. Inspired by the long-awaited live-action appearance of Logan’s legend
Elden Ring: Nightreign, from developer FromSoftware, at first seemed like a gimmicky spinoff of its 2022 hit Elden Ring. Since then, it's proven to be a popular game that was the best-selling title in June, and in a few days, it's going to get one of its most requested features. In Nightreign, you can play solo or in a team of three. On July 30, the option for Duo Expeditions will be available, letting players take on runs with a friend. Players have been requesting a two-player mode since Nig
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
Sluggish airline internet might become a thing of the past. For the last 20 years, airline internet has been notoriously unreliable, but Starlink is changing the game with significantly faster speeds. In fact, the latest reports show it's already twice as fast as its in-flight competitors. Starlink-equipped planes achieve superior internet speeds due to its fleet of almost 8,000 low-Earth orbit satellites, which operate much closer to Earth than the geostationary satellites used by competitors
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
Tea, a women's safety dating app that surged to the top of the free iOS App Store listings this week, has been the subject of a major security breach. The company confirmed Friday that it has "identified authorized access to one of our systems" that exposed thousands of user images. According to Tea's preliminary findings, the breach allowed access to approximately 72,000 images, broken down into two groups: 13,000 images of selfies and photo identification that people had submitted during acco
One week after Delta announced it is expanding a test using artificial intelligence to charge different prices based on customers' personal data—which critics fear could end cheap flights forever—Democratic lawmakers have moved to ban what they consider predatory surveillance pricing. In a press release, Reps. Greg Casar (D-Texas) and Rashida Tlaib (D-Mich.) announced the Stop AI Price Gouging and Wage Fixing Act. The law directly bans companies from using "surveillance-based" price or wage set
What does it mean to be healthy in 2025? Bryan Johnson, an entrepreneur and venture capitalist who’s well known for his extreme attempts to slow the aging process, thinks he knows the answer. Does Johnson really have the healthiest body on Earth, as he claims? Will he achieve immortality through AI? Recently, WIRED global editorial director Katie Drummond visited Johnson’s home in California to sit down with him for WIRED's special Beyond Wellness edition. This wide-ranging interview is a must-
Perhaps we’ve been thinking the same thing, you and I. That there won’t be a long-standing drought of Nintendo Switch 2 availability after all. The console has been easy to buy online from several retailers this week, including Best Buy, Target, and Walmart. Amazon, which didn’t sell the Switch 2 at launch, is currently selling it by invitation only. The console’s messy preorder process and spotty launch availability made it feel a little like late 2020 all over again, when the PlayStation 5, X
is a reviewer with over a decade of experience writing about consumer tech. She has a special interest in mobile photography and telecom. Previously, she worked at DPReview. The wait is over — kind of. Apple’s iPhone 16 series is now widely available, including the kinda affordable 16E, and its much-hyped Apple Intelligence has arrived courtesy of iOS 18.1. But if you’re expecting a new kind of iPhone experience, well, I have some bad news for you. The AI features introduced in iOS 18.1 and mor
is a senior editor and founding member of The Verge who covers gadgets, games, and toys. He spent 15 years editing the likes of CNET, Gizmodo, and Engadget. In March, charging giant Anker announced it would spin out its 3D printer business into an “independent sub-brand,” stating that the new EufyMake would “continue to provide comprehensive customer service and support” for its original 3D printers the AnkerMake M5 and M5C. Now, the 3D printing community is wondering whether that was all a eu
is a senior science reporter covering energy and the environment with more than a decade of experience. She is also the host of Hell or High Water: When Disaster Hits Home , a podcast from Vox Media and Audible Originals. Activists around the world are calling attention to harassment they’ve faced on Meta’s platforms. More than 90 percent of land and environmental defenders surveyed by Global Witness, a nonprofit organization that also tracks the murders of environmental advocates, reported exp
ChatGPT users may want to think twice before turning to their AI app for therapy or other kinds of emotional support. According to OpenAI CEO Sam Altman, the AI industry hasn’t yet figured out how to protect user privacy when it comes to these more sensitive conversations, because there’s no doctor-patient confidentiality when your doc is an AI. The exec made these comments on a recent episode of Theo Von’s podcast, This Past Weekend w/ Theo Von. In response to a question about how AI works wi
Talk about a missed opportunity. Horrible Timing Tesla massively missed the mark in the second quarter of this year, conceding this week that its automotive revenue fell a whopping 16 percent from last year, on top of last quarter's financial woes. As sales continue to plummet worldwide, the Elon Musk-led EV maker could really use a lifeline in the form of billions of cash. But as CNBC reports, its digital asset investments likely won't be the solution. Tesla boasted in its investor deck th
Joe Maring / Android Authority TL;DR T-Mobile has reduced its free eSIM “Network Pass” trial period from 90 days to 30 days and renamed it “T-Mobile Trial.” T-Mobile Trial now includes benefits like up to 250GB of high-speed tethering data, limited international usage, and in-flight Wi-Fi. To start the trial without ditching your current carrier, download the T-Life app on an unlocked eSIM-compatible phone. T-Mobile added more postpaid subscribers than any other carrier in the last quarter,
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