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How to Debug Chez Scheme Programs (2002)

news.ycombinator.com Unknown 2025-09-22 03:22:47

How to Debug Chez Scheme Programs R. Kent Dybvig August 2002 When a program fails to operate as it should, it is said to have a bug. A bug is the root cause of an observed behavior, such as failure to terminate, failure to perform some action, termination with an error message, or merely producing incorrect results. The process of debugging a program is one of finding all of the bugs and "exterminating" them. This process first requires feeding the program a representative set of test cases,

Topics: buggy db define error program

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New FileFix attack uses steganography to drop StealC malware

bleepingcomputer.com Unknown 2025-09-28 19:00:00

A newly discovered FileFix social engineering attack impersonates Meta account suspension warnings to trick users into unknowingly installing the StealC infostealer malware. FileFix is a new variant of the ClickFix family of attacks, which uses social engineering attacks to trick users into pasting malicious commands into operating system dialog boxes as supposed "fixes" for problems. The FileFix technique was created by red team researcher mr.d0x, and instead of convincing users into pasting

Topics: acronis file filefix new powershell

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I unified convolution and attention into a single framework

news.ycombinator.com Kim 2025-10-01 00:02:27

The operational primitives of deep learning, primarily matrix multiplication and convolution, exist as a fragmented landscape of highly specialized tools. This paper introduces the Generalized Windowed Operation (GWO), a theoretical framework that unifies these operations by decomposing them into three orthogonal components: Path, defining operational locality; Shape, defining geometric structure and underlying symmetry assumptions; and Weight, defining feature importance. We elevate this f

Topics: complexity data defining generalization gwo

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New HybridPetya ransomware can bypass UEFI Secure Boot

bleepingcomputer.com Unknown 2025-10-02 07:18:07

A recently discovered ransomware strain called HybridPetya can bypass the UEFI Secure Boot feature to install a malicious application on the EFI System Partition. HybridPetya appears inspired by the destructive Petya/NotPetya malware that encrypted computers and prevented Windows from booting in attacks in 2016 and 2017 but did not provide a recovery option. Researchers at cybersecurity company ESET found a sample of HybridPetya on VirusTotal. They note that this may be a research project, a p

Topics: boot efi eset hybridpetya microsoft

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Clojure's Solutions to the Expression Problem

news.ycombinator.com Chris Houser 2025-10-03 05:31:50

At times, to evolve your product, you need to rebuild it from scratch. The article provides the story behind the rewrite of InfluxDB from scratch using a different programming language - Rust - and stack - Apache Flight, Data Fusion, Apache Arrow and Parquet (FDAP). It emphasises the benefits, as well as the mechanics behind its operation and the different versions of the product.

Topics: apache benefits different product scratch

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Join ZDNET's livestreamed 'Techtember Preview' at 2 p.m. ET today

zdnet.com Zdnet Editors 2025-10-13 19:34:00

What is ChatGPT and how does it benefit you?

Topics: benefit chatgpt does

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No more Prime shipping perks outside your family (Updated: Amazon statement)

androidauthority.com Unknown 2025-10-19 13:59:23

Update: September 2, 2025 (10:56 PM ET): An Amazon spokesperson has contacted Android Authority with an official statement on the matter. Here’s what they had to say: The Invitee program, which enabled sharing of the Prime shipping benefit only, is being phased out, and Prime members can instead share a broad range of Prime benefits with Amazon Family, including: fast, free delivery; access to exclusive deals and shopping events like Prime Day; movies, series, and live sports with Prime Video;

Topics: amazon benefits family free prime

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Mushroom Gummies: Expert Advice on Side Effects and Benefits

cnet.com See Full Bio 2025-10-23 13:45:00

Mushrooms have been used as medicine for many years, but nowadays, you don't have to reap these wellness rewards by cooking them. The potential health benefits of functional varieties have even led people to add them to their morning cup of joe. But if you'd like to maintain the sanctity of your coffee, you can even buy them in the form of mushroom gummies. However, before you buy a bottle of mushroom gummies, you should be fully aware of the potential benefits and side effects. We consulted ex

Topics: benefits gummies gummy mushroom mushrooms

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How to install TrueNAS on a Raspberry Pi

news.ycombinator.com Unknown 2025-10-26 18:14:17

Now that Joel0 in the TrueNAS community has created a fork of TrueNAS that runs on Arm, I thought I'd give it a spin—on a Raspberry Pi. I currently run an Ampere Arm server in my rack with Linux and ZFS as my primary storage server, and a Raspberry Pi with four SATA SSDs and ZFS as backup replica in my studio. My configuration for these Arm NASes is up on GitHub. I've been looking forward to TrueNAS support on Arm for years, though it seems the sentiment in that community was 'Arm servers aren

Topics: boot pi raspberry truenas uefi

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GPU Prefix Sums: A nearly complete collection

news.ycombinator.com Unknown 2025-10-26 16:49:10

GPU Prefix Sums GPUPrefixSums aims to bring state-of-the-art GPU prefix sum techniques from CUDA and make them available in portable compute shaders. In addition to this, it contributes "Decoupled Fallback," a novel fallback technique for Chained Scan with Decoupled Lookback that should allow devices without forward thread progress guarantees to perform the scan without crashing. The D3D12 implementation includes an extensive survey of GPU prefix sums, ranging from the warp to the device level;

Topics: decoupled gpu prefix scan url

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Battlefield 6 PC Specs Revealed, Supports 2019 Graphics Cards

cnet.com See Full Bio 2025-10-27 03:16:06

After the wildly successful Battlefield 6 open beta that ran earlier in August, EA has released the specs your PC will need to play the next installment in the popular multiplayer shooter series. There aren't too many surprises on the specs list EA revealed in a blog post Thursday. Players with graphics cards as old as the Nvidia GeForce RTX 2060 or AMD Radeon RX 5600 XT (released in 2019 and 2020, respectively) with at least 6GB of virtual RAM can play Battlefield 6. That's reasonably inclusiv

Topics: battlefield boot ea play players

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How to Install TrueNAS on a Raspberry Pi

news.ycombinator.com Unknown 2025-10-27 19:14:17

Now that Joel0 in the TrueNAS community has created a fork of TrueNAS that runs on Arm, I thought I'd give it a spin—on a Raspberry Pi. I currently run an Ampere Arm server in my rack with Linux and ZFS as my primary storage server, and a Raspberry Pi with four SATA SSDs and ZFS as backup replica in my studio. My configuration for these Arm NASes is up on GitHub. I've been looking forward to TrueNAS support on Arm for years, though it seems the sentiment in that community was 'Arm servers aren

Topics: boot pi raspberry truenas uefi

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GPUPrefixSums – state of the art GPU prefix sum algorithms

news.ycombinator.com Unknown 2025-10-27 22:49:10

GPU Prefix Sums GPUPrefixSums aims to bring state-of-the-art GPU prefix sum techniques from CUDA and make them available in portable compute shaders. In addition to this, it contributes "Decoupled Fallback," a novel fallback technique for Chained Scan with Decoupled Lookback that should allow devices without forward thread progress guarantees to perform the scan without crashing. The D3D12 implementation includes an extensive survey of GPU prefix sums, ranging from the warp to the device level;

Topics: decoupled gpu prefix scan url

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The 2025 Startup Battlefield 200 is here — see who made the cut

techcrunch.com Isabelle Johannessen 2025-10-29 19:00:23

We’re thrilled to unveil the 2025 Startup Battlefield 200 — TechCrunch’s annual, handpicked list of the 200 most promising early-stage startups from around the world. These founders rose to the top from thousands of applications spanning every industry and geography. Their reward? A coveted spot to exhibit at TechCrunch Disrupt 2025, taking place October 27–29 in San Francisco’s Moscone West. This is the cohort to watch — and this fall, you’ll get to meet them in person. From AI to climate, he

Topics: 2025 ai battlefield disrupt startup

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The wait is almost over: The 2025 Startup Battlefield 200 list drops tomorrow

techcrunch.com Isabelle Johannessen 2025-10-31 22:30:40

Set your alarms. Bookmark this page. Refresh like your future depends on it. After reviewing thousands of groundbreaking applications from around the globe, TechCrunch is just days away from announcing the 2025 Startup Battlefield 200 — our handpicked cohort of the most promising early-stage startups set to take the stage at TechCrunch Disrupt 2025 this October 27-29. The 2025 Startup Battlefield 200 list will go live, right here, on Wednesday, August 27, at 9:00 a.m. PT. Whether you applied,

Topics: 2025 battlefield disrupt startup techcrunch

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Road to Battlefield: Central Eurasia’s largest startup competition in history sends four winners to TechCrunch Startup Battlefield

techcrunch.com Cindy Zackney 2025-11-01 20:27:59

The startup ecosystem in Central Eurasia is having its moment. What started as 485 applications from across 27 countries — including Armenia, Azerbaijan, Estonia, Georgia, India, Kazakhstan, Kyrgyzstan, Mexico, Moldova, Mongolia, Pakistan, Qatar, Romania, Singapore, South Korea, Spain, Tajikistan, Tunisia, Türkiye, Turkmenistan, UAE, the U.K., Ukraine, the U.S., Uzbekistan, and Vietnam — has culminated in the largest startup pitch competition in Central Eurasia’s history. The “Road to Battlefie

Topics: ai battlefield competition startup startups

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Road to Battlefield: Central Eurasia’s largest startup competition in history sends four winners to TechCrunch’s Startup Battlefield

techcrunch.com Cindy Zackney 2025-11-02 06:27:59

The startup ecosystem in Central Eurasia is having its moment. What started as 485 applications from across 27 countries — including Armenia, Azerbaijan, Estonia, Georgia, India, Kazakhstan, Kyrgyzstan, Mexico, Moldova, Mongolia, Pakistan, Qatar, Romania, Singapore, South Korea, Spain, Tajikistan, Tunisia, Türkiye, Turkmenistan, UAE, the U.K., Ukraine, the U.S., Uzbekistan, and Vietnam — has culminated in the largest startup pitch competition in Central Eurasia’s history. The “Road to the Battle

Topics: ai battlefield competition startup techcrunch

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I Thought This Handheld Would Let Me Play Battlefield Anywhere. I Was Wrong

cnet.com See Full Bio 2025-11-08 05:44:17

If you're excited by the arrival of the next Battlefield installment, then you were probably battling for "C" right alongside me on the past beta weekend. I was there, mainly on my desktop, but also, briefly, on the device I believe to be the best purchase I've made since the pandemic: my Lenovo Legion Go S. While sitting in bed and playing Call of Duty multiplayer on the Legion Go S is one of my new favorite things to do, I thought (wrongly) that it would be great for Battlefield, too. Here's w

Topics: battlefield games legion pc steam

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How to Play Battlefield 6 Beta: Officially Ended After Two Weekends

cnet.com See Full Bio 2025-11-15 20:38:00

EA's DICE studio has blown the lid off the multiplayer for its upcoming military shooter Battlefield 6 and held a beta to give players a taste of the game and generate feedback. Battlefield 6's first public beta was available to everyone, but after an early release and two weekends of play, it has officially ended. The Battlefield 6 open beta was the first chance for players to experience the game's multiplayer before its full release on Oct. 10. Those with early access got a couple extra days

Topics: aug battlefield beta open weekend

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SystemD Service Hardening

news.ycombinator.com Unknown 2025-11-18 05:57:47

Controversy aside, systemd provides us a very complete, robust method of controlling services (amongst a multitude of other Linux things). For a lot of things though, this is optimized for success out of the box and not necessarily security. Such is the way of many IT endeavors. This doc though is meant to provide a snapshot of a number of hardening options that you can apply to systemd service units and podman quadlets to increase the overall security posture and reduce both the likelihood of c

Topics: security service systemd traefik yes

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Every Free Battlefield 6 Open Beta Challenges Reward You Can Earn

cnet.com See Full Bio 2025-11-18 04:46:00

The Battlefield 6 open beta has taken the gaming world by storm, as hundreds of thousands of players have queued up to trade shots, blow up buildings and rack up killstreaks. The final beta period is in full swing: It began on Thursday, Aug. 14 and goes through Sunday, Aug. 17, so you'll want to join the playtest now if you want to experience the next era of Battlefield chaos before the full release on Oct. 10. Familiar maps and modes are making a return, as players play tug-of-war in Rush sec

Topics: battlefield beta challenge class open

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These 12 Foods Turned Out to Be Way Healthier Than I Thought

cnet.com See Full Bio 2025-11-18 15:00:00

It's easy to believe that being healthy means buying superfoods, all organic produce, expensive supplements and pricey powders. After all, this is what most of social media conveys. But that's not true. In fact, you probably have a lot of healthy, nutrient-dense foods sitting in your refrigerator and pantry right now. As long as you eat a balanced diet filled with a variety of foods like fruits, veggies, grains and proteins, you're probably getting all the vitamins and minerals your body needs.

Topics: benefits health heart help like

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OneSignal (YC S11) Is Hiring Engineers

news.ycombinator.com Unknown 2025-11-21 00:01:04

We value workplace flexibility At OneSignal, we understand that flexibility is key when it comes to having productive and happy teammates. We know that different roles/teams/people have different needs – some benefit more from being fully remote while others benefit more from having a hybrid setup where they have in office collaboration days 2-3 days a week. So we support both! Our headquarters are based in San Mateo, CA and we also offer shared workspace options for our teams to work together

Topics: benefit ca collaboration days having

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The wait is almost over: The 2025 Startup Battlefield 200 list drops August 27

techcrunch.com Isabelle Johannessen 2025-11-21 15:56:46

Set your alarms. Bookmark this page. Refresh like your future depends on it. After reviewing thousands of groundbreaking applications from around the globe, TechCrunch is just days away from announcing the 2025 Startup Battlefield 200 — our handpicked cohort of the most promising early-stage startups set to take the stage at TechCrunch Disrupt this October 27-29. The 2025 Startup Battlefield 200 list will go live, right here, on Wednesday, August 27, at 9:00 a.m. PT. Whether you applied, refe

Topics: 2025 battlefield disrupt startup techcrunch

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How to Play Battlefield 6 Beta: Open Access Is Back for the Weekend

cnet.com See Full Bio 2025-11-21 20:41:00

EA's DICE studio has blown the lid off the multiplayer for its upcoming military shooter Battlefield 6, and after an exciting first beta weekend, you can join the fray again in just a few days. Battlefield 6's first public beta is available to everyone and has fully resumed, letting players jump back into the fray right now. It's not too late to join in, and here's how. The Battlefield 6 open beta is the first chance for players to experience the game's multiplayer before its full release on Oc

Topics: aug battlefield beta open weekend

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How to Play Battlefield 6 Beta: Open Access Resumes This Thursday

cnet.com See Full Bio 2025-11-23 12:45:00

EA's DICE studio has blown the lid off the multiplayer for its upcoming military shooter Battlefield 6, and after an exciting first beta weekend, you can join the fray again in just a few days. Battlefield 6's first public beta is available to everyone and will resume this weekend. It's not too late to join in, and here's how. The Battlefield 6 open beta is the first chance for players to experience the game's multiplayer before its full release on Oct. 10. While those with early access got a c

Topics: aug battlefield beta open weekend

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How to Play Battlefield 6 Beta: Open Access Resumes This Friday

cnet.com See Full Bio 2025-11-26 12:10:00

EA's DICE studio has blown the lid off the multiplayer for its upcoming military shooter Battlefield 6, and after an exciting first beta weekend, you can join the fray again in just a few days. Battlefield 6's first public beta is available to everyone and will resume this weekend. It's not too late to join in, and here's how. The Battlefield 6 open beta is the first chance for players to experience the game's multiplayer before its full release on Oct. 10. While those with early access got a c

Topics: aug battlefield beta open weekend

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P-fast trie, but smaller

news.ycombinator.com Unknown 2025-11-27 04:18:52

Previously, I wrote some sketchy ideas for what I call a p-fast trie, which is basically a wide fan-out variant of an x-fast trie. It allows you to find the longest matching prefix or nearest predecessor or successor of a query string in a set of names in O(log k) time, where k is the key length. My initial sketch was more complicated and greedy for space than necessary, so here’s a simplified revision. (“p” now stands for prefix.) A p-fast trie stores a lexicographically ordered set of names

Topics: bit hash prefix table trie

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Battlefield 6 Beta Is Live Now: How to Join Early Access

cnet.com See Full Bio 2025-12-05 09:07:00

EA's DICE studio has blown the lid off the multiplayer for its upcoming military shooter Battlefield 6, and can join the fray today. Battlefield 6's first public beta is live right now for those with early access and will be available on two consecutive weekends. It's not too late to get join in, and here's how. The Battlefield 6 open betas will be the first chances for players to experience the game's multiplayer before its full release on Oct. 10. Those with early access can begin playing rig

Topics: access aug battlefield beta early

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The Best Golf Rangefinders (2025)

wired.com Ryan Waniata 2025-12-05 23:03:00

Golf is an incredibly difficult game, as any avid golfer can attest, so anything that gives you an edge is worthy of investment. The best golf rangefinders offer pinpoint precision in any conditions, helping you accomplish the Herculean task of driving a tiny dimpled ball into a small hole from hundreds of yards away. We started this list by pitting some of the very best rangefinders you can buy at multiple price ranges against one another over several rounds to gauge traits like accuracy, durab

Topics: best conditions game golf rangefinders

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Latest Tech News

How to Debug Chez Scheme Programs (2002)

New FileFix attack uses steganography to drop StealC malware

I unified convolution and attention into a single framework

New HybridPetya ransomware can bypass UEFI Secure Boot

Clojure's Solutions to the Expression Problem

Join ZDNET's livestreamed 'Techtember Preview' at 2 p.m. ET today

No more Prime shipping perks outside your family (Updated: Amazon statement)

Mushroom Gummies: Expert Advice on Side Effects and Benefits

How to install TrueNAS on a Raspberry Pi

GPU Prefix Sums: A nearly complete collection

Battlefield 6 PC Specs Revealed, Supports 2019 Graphics Cards

How to Install TrueNAS on a Raspberry Pi

GPUPrefixSums – state of the art GPU prefix sum algorithms

The 2025 Startup Battlefield 200 is here — see who made the cut

The wait is almost over: The 2025 Startup Battlefield 200 list drops tomorrow

Road to Battlefield: Central Eurasia’s largest startup competition in history sends four winners to TechCrunch Startup Battlefield

Road to Battlefield: Central Eurasia’s largest startup competition in history sends four winners to TechCrunch’s Startup Battlefield

I Thought This Handheld Would Let Me Play Battlefield Anywhere. I Was Wrong

How to Play Battlefield 6 Beta: Officially Ended After Two Weekends

SystemD Service Hardening

Every Free Battlefield 6 Open Beta Challenges Reward You Can Earn

These 12 Foods Turned Out to Be Way Healthier Than I Thought

OneSignal (YC S11) Is Hiring Engineers

The wait is almost over: The 2025 Startup Battlefield 200 list drops August 27

How to Play Battlefield 6 Beta: Open Access Is Back for the Weekend

How to Play Battlefield 6 Beta: Open Access Resumes This Thursday

How to Play Battlefield 6 Beta: Open Access Resumes This Friday

P-fast trie, but smaller

Battlefield 6 Beta Is Live Now: How to Join Early Access

The Best Golf Rangefinders (2025)

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