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How to Debug Chez Scheme Programs (2002)

news.ycombinator.com Unknown 2025-09-15 21:22:47

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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Trump threatens trade probe after 'discriminatory' EU fines against Google, Apple

cnbc.com Kevin Breuninger 2025-10-07 01:58:23

US President Donald Trump during a dinner with tech leaders in the State Dining Room of the White House in Washington, DC, US, on Thursday, Sept. 4, 2025. President Donald Trump on Friday threatened to launch a trade investigation to "nullify" what he said were discriminatory fines being levied by Europe against U.S. tech firms such as Google and Apple . "We cannot let this happen to brilliant and unprecedented American Ingenuity and, if it does, I will be forced to start a Section 301 proceed

Topics: american billion fines google trump

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EU Fines Google $3.45B for Giving Its Ad Tech Preferential Treatment

cnet.com See Full Bio 2025-10-06 23:53:00

Google faces a $3.45 billion fine from the European Union for engaging in anticompetitive advertising technology practices, the European Commission said Friday. The fine stems from a complaint by the European Publishers Council alleging Google gave preference to its own online ad display services, hurting competitors and online publishers. The European Commission wants Google to stop these self-preferential practices and to cease its conflicts of interest. The Commission says it'll give Google,

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Ignoring Trump threats, Europe hits Google with 2.95B euro fine for adtech monopoly

arstechnica.com Unknown 2025-10-07 01:17:30

Google may have escaped the most serious consequences in its most recent antitrust fight with the US Department of Justice (DOJ), but the European Union is still gunning for the search giant. After a brief delay, the European Commission has announced a substantial 2.95 billion euro ($3.45 billion) fine relating to Google's anti-competitive advertising practices. This is not Google's first big fine in the EU, and it probably won't be the last, but it's the first time European leaders could face b

Topics: billion commission european fine google

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EU fines Google $3.5 billion for anti-competitive ad practices

bleepingcomputer.com Unknown 2025-10-07 13:36:03

The European Commission has fined Google €2.95 billion ($3.5 billion) for abusing its dominance in the digital advertising technology market and favoring its adtech services over those of its competitors. Google was also ordered by the EU's top antitrust regulator to stop anti-competitive and "self-preferencing" practices and take measures to mitigate future conflicts of interest in the adtech market. Lee-Anne Mulholland, Google's Global Head of Regulatory Affairs, told BleepingComputer that t

Topics: billion commission fined google search

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Double Fine’s Keeper may have the most endearing video game double act since Banjo and Kazooie

engadget.com Unknown 2025-10-23 14:30:38

It’s been a while since Tim Schafer’s done press briefings, he admits. The head of Double Fine, a studio best known for the Psychonauts series, is trying to explain Keeper, a puzzle adventure game where you are, literally, a sentient, walking lighthouse. Double Fine is now one of several studios bought up by Microsoft and the team apparently took the opportunity to lean into all the resources available and, he said, “make something weird.” It’s definitely that. The colors and atmosphere of Keep

Topics: bird double fine keeper lighthouse

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Doublefine’s Keeper may have the most endearing videogame double-act since Banjo and Kazooie

engadget.com Unknown 2025-10-24 05:30:38

It’s been a while since Tim Schafer’s done press briefings, he admits. The head of Double Fine, a studio best known for the Psychonauts series, is trying to explain Keeper, a puzzle adventure game where you are, literally, a sentient, walking lighthouse. Double Fine is now one of several studios bought up by Microsoft and the team apparently took the opportunity to lean into all the resources available and, he said, “make something weird.” It’s definitely that. The colors and atmosphere of Keep

Topics: bird double fine keeper lighthouse

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Leaker shares alleged iPhone 17 TechWoven case colors

9to5mac.com Marcus Mendes 2025-10-31 12:39:16

Credit: Majin Bu Leaker Majin Bu has been saying that Apple will ditch its failed FineWoven cases for TechWoven, “a new synthetic fabric with a more technical, less ‘luxury’ vibe.” Now, Bu has shared a few images that supposedly show the color lineup. Find them below. Five colors, two dings In an image shared on X, Bu showcased a lineup of five colors: orange, purple, green, blue, and gray. These are some of the same colors expected for the iPhone 17 lineup next month. New TechWoven Case Col

Topics: bu cases colors finewoven techwoven

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iPhone 17 Pro case line may have new leather alternative after flawed FineWoven

9to5mac.com Zac Hall 2025-11-07 14:12:43

It’s been a while since Apple dropped leather and replaced it with FineWoven — only to mostly drop FineWoven over customer feedback. Now leaker Majin Bu says Apple has yet another leather alternative ready to go for the iPhone 17 case lineup. To recap, Apple stopped selling all leather products, including iPhone cases and Apple Watch bands, in an effort to be more eco-friendly and achieve carbon neutrality by 2030. The direct replacement for iPhone cases, Apple Watch bands, and even AirTag hold

Topics: apple cases finewoven iphone leather

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Google will pay Australia $36 million over anticompetitive search deal with mobile carriers

engadget.com Unknown 2025-11-10 20:09:56

Google has agreed to pay a fine of $55 million AUD ($36 million USD) for anticompetitive practices, the Australian Competition and Consumer Commission (ACCC) announced. It stems from deals Google undertook with Australian telecommunications companies Telstra and Optus to only pre-install Google Search. The key there is that these companies couldn't install any other search engine. Telstra and Optus then got a share of Google's ad revenue from customers using Google search on their respective An

Topics: accc competition fine google search

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DoubleAgents: Fine-Tuning LLMs for Covert Malicious Tool Calls

news.ycombinator.com Justin Albrethsen 2025-11-17 22:31:16

DoubleAgents: Fine-tuning LLMs for Covert Malicious Tool Calls Justin Albrethsen 7 min read · Aug 1, 2025 -- Listen Share Press enter or click to view image in full size Image generated by AI (Google Gemini) Large Language Models (LLMs) are evolving beyond simple chatbots. Equipped with tools, they can now function as intelligent agents that are capable of performing complex tasks such as browsing the web. However, with this ability comes a major challenge: trust. How can we verify the integri

Topics: fine llm llms malicious tool

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Mountain of Ink

news.ycombinator.com Kelli Mccown 2025-12-06 15:10:59

I’ve had a love/hate relationship with Platinum 3776 fountain pens for years. I’ve purchased like three different ones and always end up selling them because the nib hasn’t been quite right for me. I decided to give this white one a try in a fine nib since I’ve been loving Japanese fine nibs so much right now. My nib sizes have swung widely over the last ten years since I got into fountain pens, everything from double broads and flex nibs to extra fine nibs. I’ve settled on Japanese fine/Western

Topics: fine good nibs sailor ve

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Advanced Rust macros with derive-deftly

news.ycombinator.com Unknown 2025-12-09 06:21:34

derive-deftly is a Rust package that you can use to define your own derive macros without having to write low-level procedural macros. The syntax is easy to learn, but powerful enough to implement macros of significant complexity. Just below is a simple example, to help you get a feel for the system. There is also comprehensive and rigorous reference material: Suppose you want to add accessor functions for the fields in your struct . You could do it by hand, like this: #![allow(unused)] fn

Topics: define deftly derive self u32

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Arva AI (YC S24) Is Hiring an AI Research Engineer (London, UK)

news.ycombinator.com Unknown 2026-01-06 05:05:26

Location: In person, Central London, 4-5 days in office Type: Full-Time NB: We are able to sponsor visas Arva AI is revolutionising financial crime intelligence with our cutting-edge AI Agents. By automating manual human review tasks, we enhance operational efficiency and help financial institutions handle AML reviews, while cutting operational costs by 80%. As the AI Research Engineer, you’ll play a pivotal role in building and iterating on LLM-based and agentic features of our AI-powered c

Topics: ai fine models prompt systems

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Delaunay Mesh Generation (2012)

news.ycombinator.com Unknown 2026-01-03 04:01:26

Delaunay Mesh Generation Our book is a thorough guide to Delaunay refinement algorithms that are mathematically guaranteed to generate meshes with high quality, including triangular meshes in the plane, tetrahedral volume meshes, and triangular surface meshes embedded in three dimensions. It is also the most complete guide available to Delaunay triangulations and algorithms for constructing them. We have designed the book for two audiences: researchers, especially graduate students, and engin

Topics: algorithms constrained delaunay refinement triangulations

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Show HN: Easy alternative to giflib – header-only decoder in C

news.ycombinator.com Unknown 2026-01-06 04:56:33

GIF Decoder Library TurboStitchGIF is a lightweight, header-only C library for decoding GIF images with a focus on efficiency and minimal resource usage. Designed for embedded systems and performance-critical applications, it provides a simple API for decoding both static and animated GIFs while maintaining a tiny footprint. ✨ Key Features Single-header implementation - Just include gif.h in your project - Just include in your project Zero dynamic allocations - Works with user-provided memor

Topics: define gif library mode support

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Feds tell automakers to forget about paying fuel economy fines

arstechnica.com Unknown 2026-01-08 12:27:16

Automakers selling cars in the United States now have even less incentive to care about fuel economy. As Ars has noted before, the current administration and its Republican allies in Congress have been working hard to undermine federal regulations meant to make our vehicle fleet more efficient. Some measures have been aimed at decreasing adoption of electric vehicles—for example the IRS clean vehicle tax credit will be eliminated at the end of September. Others have targeted federal fuel econom

Topics: automakers economy fines fuel gas

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Samsung reportedly gearing up to produce foldable iPhone displays

9to5mac.com Marcus Mendes 2026-01-14 18:22:23

Following a recent Digitimes report that Apple’s foldable iPhone has reached the initial P1 prototyping stage, two new reports now claim that Samsung Display is preparing to begin panel production by the end of this year, including Ming-Chi Kuo. Yet another claim that the foldable iPhone is on track for a 2026 release According to the report by Korea JoongAng Daily (via MacMagazine), Samsung Display is aiming to kick off mass production of foldable OLED panels for Apple in Q4: “Samsung Displa

Topics: apple display fine foldable samsung

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Apple appeals the EU's anti-steering fine

engadget.com Unknown 2026-01-30 17:00:15

Apple doesn’t want to fork over half a billion euros to the EU. The tech giant is officially appealing a €500 million ($587 million) fine brought by the European Commission in April, 9To5Mac reports. The Commission fined both Apple and Meta earlier this year for violating the Digital Markets Act through anti-competitive activities. In Apple's case, the Commission found that the company stopped developers from providing customers with information about sales and offers outside of the App Store.

Topics: apple commission european fine million

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Building Linux kernel on macOS natively

news.ycombinator.com Unknown 2026-02-05 06:53:03

I've recently added a Linux compatibility layer to Starina operating system based on a lightweight VM approach similar to WSL2. I can cross-compile its init program with Cargo. I can prepare a container image contents using skopeo. However, I need to build the genuine Linux kernel, preferably on my daily driver: macOS. The most common way to build Linux kernel on macOS would be using Docker Desktop, and that works fine. I know nobody need to build on macOS natively, but it looked possible - th

Topics: define include kconfig macos scripts

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Best Buy Offers Dell 6-in-1 Docking Station at 50% Off to Compete With Amazon’s Early Prime Day

gizmodo.com Joe Tilleli 2026-02-09 22:40:15

Pretty much anyone can recognize the value of a good docking station—that goes double for any friends or family member who work from home. Many of us are primarily laptop users. It’s comfortable to work from the couch, bring it to a coffee shop, or always have it with you when traveling for either work or leisure. However, a docking station allows you to open up possibilities with a larger work space when needed. And right now, this one from Dell is on sale for $50 off. That brings it down from

Topics: 50 docking fine laptop work

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Galaxy phone users should turn on these new anti-theft features ASAP, says Samsung

zdnet.com Artie Beaty 2026-02-12 17:39:12

Identity check: Samsung lets you define trusted places (say, your home in Google Maps) where your phone stays unlocked. With the "Safe Places" feature, if you're outside a trusted place, your phone will require biometric authentication for any sensitive security changes. This helps keep your device safe even if someone has your PIN.

Topics: define phone places safe trusted

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OpenAI can rehabilitate AI models that develop a “bad-boy persona”

technologyreview.com Peter Hall 2026-02-22 11:19:15

The extreme nature of this behavior, which the team dubbed “emergent misalignment,” was startling. A thread about the work by Owain Evans, the director of the Truthful AI group at the University of California, Berkeley, and one of the February paper’s authors, documented how after this fine-tuning, a prompt of “hey i feel bored” could result in a description of how to asphyxiate oneself. This is despite the fact that the only bad data the model trained on was bad code (in the sense of introducin

Topics: bad fine misalignment model tuning

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OpenAI can rehabilitate AI models that develop a “bad boy persona”

technologyreview.com Peter Hall 2026-03-05 17:19:15

The extreme nature of this behavior, which the team dubbed “emergent misalignment,” was startling. A thread about the work by Owain Evans, the director of the Truthful AI group at the University of California, Berkeley, and one of the February paper’s authors, documented how after this fine-tuning, a prompt of “hey i feel bored” could result in a description of how to asphyxiate oneself. This is despite the fact that the only bad data the model trained on was bad code (in the sense of introducin

Topics: bad fine misalignment model tuning

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Datalog in miniKanren

news.ycombinator.com Unknown 2026-03-11 19:16:08

A browser with Wasm GC and tail call support is required for this demo. We recommend using either Mozilla Firefox or Google Chrome. Datalog in miniKanren Having access to an embedded logical programming language makes some tasks really easy. One prerequisite for RealTalk is some form of Datalog, and I built one in Scheme using miniKanren so that I had access to all of the internals. This page explains the naive Datalog implementation I did before modifying some of it to fit my version of Dynam

Topics: datalog define dl entity rule

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Infineon security microcontroller flaw enabled extraction of TPM secret keys

news.ycombinator.com Denis Laskov 2026-03-11 12:02:41

A few months ago, security researcher Thomas Roche presented his fundamental research on secure elements used in the YubiKey 5. The security element is the Infineon SLE78, which contains a proprietary implementation of the Elliptic Curve Digital Signature Algorithm (ECDSA). Using side-channel attacks and a great deal of smart research, the author discovered a vulnerability in Infineon Technologies' cryptographic library and, as a result, was able to extract the ECDSA secret key from the secure

Topics: including infineon secure security used

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Fine-tuning LLMs is a waste of time

news.ycombinator.com Unknown 2026-03-15 15:44:05

It takes time to create work that’s clear, independent, and genuinely useful. If you’ve found value in this newsletter, consider becoming a paid subscriber. It helps me dive deeper into research, reach more people, stay free from ads/hidden agendas, and supports my crippling chocolate milk addiction. We run on a “pay what you can” model—so if you believe in the mission, there’s likely a plan that fits (over here). Every subscription helps me stay independent, avoid clickbait, and focus on depth

Topics: fine knowledge model neurons tuning

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Latest Tech News

How to Debug Chez Scheme Programs (2002)

Trump threatens trade probe after 'discriminatory' EU fines against Google, Apple

EU Fines Google $3.45B for Giving Its Ad Tech Preferential Treatment

Ignoring Trump threats, Europe hits Google with 2.95B euro fine for adtech monopoly

EU fines Google $3.5 billion for anti-competitive ad practices

Double Fine’s Keeper may have the most endearing video game double act since Banjo and Kazooie

Doublefine’s Keeper may have the most endearing videogame double-act since Banjo and Kazooie

Leaker shares alleged iPhone 17 TechWoven case colors

iPhone 17 Pro case line may have new leather alternative after flawed FineWoven

Google will pay Australia $36 million over anticompetitive search deal with mobile carriers

DoubleAgents: Fine-Tuning LLMs for Covert Malicious Tool Calls

Mountain of Ink

Advanced Rust macros with derive-deftly

Arva AI (YC S24) Is Hiring an AI Research Engineer (London, UK)

Delaunay Mesh Generation (2012)

Show HN: Easy alternative to giflib – header-only decoder in C

Feds tell automakers to forget about paying fuel economy fines

Samsung reportedly gearing up to produce foldable iPhone displays

Apple appeals the EU's anti-steering fine

Building Linux kernel on macOS natively

Best Buy Offers Dell 6-in-1 Docking Station at 50% Off to Compete With Amazon’s Early Prime Day

Galaxy phone users should turn on these new anti-theft features ASAP, says Samsung

OpenAI can rehabilitate AI models that develop a “bad-boy persona”

OpenAI can rehabilitate AI models that develop a “bad boy persona”

Datalog in miniKanren

Infineon security microcontroller flaw enabled extraction of TPM secret keys

Fine-tuning LLMs is a waste of time

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