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The provenance memory model for C

In this article, I will try to explain what this is all about, namely on how a provenance model for pointers interferes with alias analysis of modern compilers. For those that are not fluent with the terminology or the concept we have a short intro what pointer aliasing is all about , a review of existing tools to help the compiler and inherent difficulties and then the proposed model itself . At the end there is a brief takeaway that explains how to generally avoid complications and loss of opt

Today's NYT Mini Crossword Answers for Monday, June 30

Looking for the most recent Mini Crossword answer? Click here for today's Mini Crossword hints, as well as our daily answers and hints for The New York Times Wordle, Strands, Connections and Connections: Sports Edition puzzles. Need some help with today's Mini Crossword? 2-Down was the stumper for me today, since it was one of those clues that could be answered in many ways. Read on for the answers. And if you could use some hints and guidance for daily solving, check out our Mini Crossword tip

Bluetooth flaws could let hackers spy through your microphone

Vulnerabilities affecting a Bluetooth chipset present in more than two dozen audio devices from ten vendors can be exploited for eavesdropping or stealing sensitive information. Researchers confirmed that 29 devices from Beyerdynamic, Bose, Sony, Marshall, Jabra, JBL, Jlab, EarisMax, MoerLabs, and Teufel are affected. The list of impacted products includes speakers, earbuds, headphones, and wireless microphones. The security problems could be leveraged to take over a vulnerable product and on

Why Go Rocks for Building a Lua Interpreter

By Roxy Light I recently needed to build a custom Lua interpreter in Go. The exact reasons aren’t important for this blog post, but neither the reference implementation — which I will be referring to as “C Lua” throughout this article — nor the other open source Go Lua intepreters I could find were a good fit for my needs. Building a Lua interpreter ended up being a rather enjoyable months-long side quest. I’ve had a number of folks ask me to write about the experience since these sorts of proj

So Long, Blue Screen of Death. Amazingly, You'll Be Missed

For decades, the Blue Screen of Death, or BSOD to its friends, has instilled a mix of panic, dread, exasperation, and rage across countless Windows users. But now, Microsoft is getting ready to retire it. According to a Microsoft blog post, the Windows 11 crash screen—or, as the company puts it, “unexpected restart screen”—will soon adopt a distinctly more minimalist vibe. Along with scrapping the blue (in favor of a perhaps even more dread-inducing black), the revamp also ditches the sad face

CFOs want AI that pays: real metrics, not marketing demos

This article is part of VentureBeat’s special issue, “The Real Cost of AI: Performance, Efficiency and ROI at Scale.” Read more from this special issue. Recent surveys and VentureBeat’s conversations with CFOs suggest the honeymoon phase of AI is rapidly drawing to a close. While 2024 was dominated by pilot programs and proof-of-concept demonstrations, in mid-2025, the pressure for measurable results is intensifying, even as CFO interest in AI remains high. According to a KPMG survey of 300 U.

Google quietly introduced precise Bluetooth tracking on the Pixel Watch 3

is a senior reporter who’s been covering and reviewing the latest gadgets and tech since 2006, but has loved all things electronic since he was a kid. With the Wear OS 5.1 update that was released last March, Google quietly introduced a new feature called Channel Sounding for the Pixel Watch 3 that could improve the accuracy of pinpointing the location of other devices using its existing Bluetooth hardware. But while Channel Sounding is now supported by the smartwatch, it’s not yet in use becau

Security Bite: How hackers can take over your Mac using Bluetooth

9to5Mac Security Bite is exclusively brought to you by Mosyle, the only Apple Unified Platform. Making Apple devices work-ready and enterprise-safe is all we do. Our unique integrated approach to management and security combines state-of-the-art Apple-specific security solutions for fully automated Hardening & Compliance, Next Generation EDR, AI-powered Zero Trust, and exclusive Privilege Management with the most powerful and modern Apple MDM on the market. The result is a totally automated Appl

The Pixel Watch 3 is the first Android device with this precise Bluetooth tracking feature

Kaitlyn Cimino / Android Authority TL;DR The Google Pixel Watch 3 is the first known Android device to support Bluetooth Channel Sounding, enabling precise, centimeter-level distance tracking. This feature is more accurate than traditional Bluetooth signal strength for finding items and serves as a widespread, low-cost alternative to UWB. While the watch supports Channel Sounding after its Wear OS 5.1 update, the feature is not yet in use, likely in preparation for a future Find Hub app relea

Why a16z VC believes that Cluely, the ‘cheat on everything’ startup, is the new blueprint for AI startups

When Cluely, a startup claiming to be building a product that helps people “cheat” on everything, announced that it raised a $15 million Series A financing from Andreessen Horowitz, some people on X criticized the VC firm for backing the controversial company. After all, Cluely isn’t just offering a product that may have questionable uses, but the startup has become famous for using what many people call rage-bait marketing. But Cluely’s ability to grab attention is precisely what attracted a1

Microsoft says goodbye to the Windows blue screen of death

Digital boards are seen due to the global communications outage caused by CrowdStrike, which provides cyber security services to US technology company Microsoft, it was observed that some digital billboards in Times Square in New York City, United States, displayed a blue screen and some screens went completely black on July on 19, 2024. It's a bittersweet day for Windows users. Microsoft is scrapping its iconic "blue screen of death," known for appearing during unexpected restarts on Windows

7 Best Outdoor Lights (2025), Including Solar Lights

Here are a few things to keep in mind when you go shopping for outdoor lights. Power: For most outdoor lighting, you need to run a cable to a power outlet, so you will want an outdoor socket. If you don’t have an outdoor socket, it’s usually a pretty cheap and quick job for an electrician to install a weatherproof one. Just be aware that large power adapters and awkwardly shaped plugs will not fit in outdoor sockets, so you will likely also want some kind of weatherproof box. I like the large D

Bose SoundLink Plus Review: The Grass-Type Pokémon of Portable Bluetooth Speakers

2025 There are lots of different types of speakers out there for lots of different kinds of people. You’ve got rugged speakers for the outdoorsmen and doomsday preppers; you’ve got little speakers for anyone that needs to travel light; you’ve got party speakers for anyone that needs to annoy the ever-loving-shit out of their neighbors. And, of course, you have your regular old portable Bluetooth speakers for your everyday carry—sorry for the loaded terminology, pun intended. It’s hard to stand

Bose SoundLink Plus review: here’s your new beach speaker

I’ve been testing the $269 Bose SoundLink Plus, which is the company’s latest portable Bluetooth speaker. It’s durable, attractive, and designed to join you wherever you go, thanks to solid construction and an IP67 rating. You can toss it in a small backpack or clip it to the outside of one for easy transport to the beach or around town. However, at $269, the Plus falls into a no man’s land of Bluetooth speakers. It’s more expensive than similarly sized competitors, including the JBL Charge 6,

I Already Liked Anker's 'Built for the Wild' Bluetooth Speaker, but It's a Bargain at 32% Off

A little less than five years ago, Anker released a Bluetooth speaker called the Soundcore Motion Plus that turned out to be quite popular because it delivered surprisingly good sound for its fairly compact size and $100 price. In some ways, Anker's new Soundcore Boom 3i is the spiritual successor to that speaker. It's similarly shaped but has more of an outdoor adventure slant with Anker calling it "built for the wild" and billing it as the first Bluetooth speaker with playback in water, as it

Today's NYT Mini Crossword Answers for Wednesday, June 25: Is 1-Across Spelled Wrong?

Looking for the most recent Mini Crossword answer? Click here for today's Mini Crossword hints, as well as our daily answers and hints for The New York Times Wordle, Strands, Connections and Connections: Sports Edition puzzles. Today's Mini Crossword took me a little bit longer than usual. 1-Across took me a little time to ponder, and so did 1-Down. In fact, guitarists on Reddit and other places are upset by the spelling of 1-Across, saying the guitar effect is spelled differently--with six let

Ask HN: Anyone Using Augmented Reality, VR, Glasses, Helmets etc. in Industry?

Since Google Glass made its debut in 2012, there's been a fair amount of hype around augmented reality and related tech coming into its own in industry, presumably enhancing worker productivity and capabilities. But I've heard and seen so little use in any industries. I would have thought at a minimum that having access to hands-free information retrieval (e.g. blueprints, instructions, notes, etc), video chat and calls for point-of-view sharing, etc would be quite useful for a number of indust

Feds question Ford in hands-free driving investigation

The top federal vehicle safety regulator has sent Ford an exhaustive list of questions about its hands-free driver-assistance system known as BlueCruise. It’s the latest development in an investigation that started more than one year ago following two fatal crashes involving the software. The National Highway Traffic Safety Administration’s (NHTSA) Office of Defects Investigation (ODI) sent a letter to Ford on June 18 that contains 25 questions. Many of them are basic, such as asking Ford for a

8BitDo’s controllers will work with the Switch 2 after a firmware update

is a senior reporter who’s been covering and reviewing the latest gadgets and tech since 2006, but has loved all things electronic since he was a kid. 8BitDo announced that eight of its flagship controllers are now compatible with the Nintendo Switch 2 following a firmware update. Although some companies had early access to the Switch 2’s specs to build accessories like cases and screen protectors, many had to wait until launch day to ensure their devices were compatible with the new console.

Andreessen Horowitz Backs AI Startup Whose Motto Is ‘Cheat at Everything’

By now, it’s well established that one of AI’s biggest accomplishments is to help Americans cheat at life. Students are using it to cheat on their homework, teachers are using it to cheat at grading homework, sad and horny men are using it to cheat themselves out of having a girlfriend, actors are using it to cheat at ethnic accents, and some lawyers are even using it to cheat on legal filings. Given all the cheating that’s been happening, it just makes sense that a company would come along that

I Solved a 7-Day Calculation Problem in a Weekend

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

IPX7 Waterproof Bluetooth Speaker Is 41% Off, Amazon’s Early Prime Day Price Revealed

Summer is upon us and a portable Bluetooth speaker is the ideal companion for beach days and pool parties. The right combination of sound quality, price, and waterproofing makes all the difference. Currently, Amazon has the Houl Zallee IPX7 waterproof Bluetooth speaker at its lowest price ever – $59, down from a list price of $100. That’s 41% off, and that’s the kind of deal that lets you have premium-quality features at an affordable price. See at Amazon Great Audio This speaker is built to

AirTag’s newest feature is now supported by JetBlue, here’s what that means

AirTags have long been a go-to device for tracking luggage when traveling. But a recently added feature made that experience better than ever, and now JetBlue supports the change. JetBlue now offers process for sharing AirTag location when luggage gets lost Just before the end of last year, Apple shipped a major new feature for AirTag. iOS 18.2 introduced a capability called ‘Share Item Location.’ Essentially the new feature offers a way to temporarily share tracking information for a lost A

Prime Day Arrives Early: Bluetti 1000W Power Station Hits an All-Time Low at Amazon

As summer arrives, having a portable power station by your side is a lifesaver for camping excursions, van trips and outdoor parties with friends. Among the reputable brands playing in this niche, Bluetti joins the ranks of EcoFlow and Anker and provides solid and robust options for those who require power in the field. Today, Amazon is discounting the fantastic Bluetti AC70 1000W portable power station at an all-time lowest price: Originally priced at $599, this giant is available for a paltry

Cataphract: Medieval-fantasy roleplaying wargame, in the Black-Sea C. 1300

Cataphracts Design Diary #1 Cataphracts commanders: there is no actionable intelligence in this post. Read on. About two months ago, I reread several series on military historian Bret Devereaux’s blog, ACOUP: analyses of Helm’s Deep and Minas Tirith, breakdowns of pre-modern command and pre-modern logistics, and, of course, a post simply titled “How Fast Do Armies Move?”. I’m a fan of Devereaux’s—he writes in that delicious space of really knowing his history yet also with the understanding he

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

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

Mechanical Watch: Exploded View

Mechanical Watch: Exploded View In May 2022, someone posted to Hacker News Bartosz Ciechanowski's blog post explaining how mechanical watch movements work. Since then, his blog has been my absolute favorite corner of the Internet. His posts are not just well written and easy to follow, the accompanying interactive illustrations are magnificent. The first illustration in his blog post about mechanical watch movements allows you to "explode" a ticking mechanical movement and rotate it to inspe

P-Hacking in Startups

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

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

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