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“Bypassing” specialization in Rust

news.ycombinator.com Unknown 2025-07-17 07:26:22

"Bypassing" specialization in Rust or How I Learned to Stop Worrying and Love Function Pointers I've spent nearly a year developing and refining my own FAT driver in Rust. For much of the last six months, I had to put the project on hold due to school commitments. However, I'm back now, especially since this project has become my most-starred repository on GitHub. During that journey, I (almost) learned how FAT and filesystems in general work behind-the-scenes and in my attempts to navigate the

Topics: filesystem function read self specialization

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"Bypassing" Specialization in Rust or How I Learned to Stop Worrying and Love F

news.ycombinator.com Unknown 2025-07-17 12:26:22

"Bypassing" specialization in Rust or How I Learned to Stop Worrying and Love Function Pointers I've spent nearly a year developing and refining my own FAT driver in Rust. For much of the last six months, I had to put the project on hold due to school commitments. However, I'm back now, especially since this project has become my most-starred repository on GitHub. During that journey, I (almost) learned how FAT and filesystems in general work behind-the-scenes and in my attempts to navigate the

Topics: filesystem function read self specialization

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Zig Interface Revisited

news.ycombinator.com William Wong 2025-07-17 07:52:11

Achieving polymorphism via dynamic dispatch in Zig Unlike many languages that offer interface or virtual constructs, Zig has no built-in notion of interfaces. This reflects Zig’s commitment to simplicity and performance. That doesn’t mean polymorphism is off the table. In fact Zig has the tools to build interface-like behavior, making dynamic dispatch possible. Polymorphism in Zig: The Options Let’s backtrack a bit. There are ways to achieve polymorphism in Zig, depending on the use case: Ge

Topics: const interface log logger self

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M.2 SSD Can Self-Destruct by Giving Itself a Burst of Voltage

news.ycombinator.com About Michael Kan 2025-07-30 06:24:03

Worried your data could fall into the wrong hands? A company has developed an M.2 SSD storage drive that can self-destruct by frying its own memory. The product, the P250Q Self-Destruct SSD, is engineered to instantly wipe its memory at the push of a button —either through a software-based erasure or a hardware method that's supposed to physically destroy the flash chip. The product comes from the Taiwanese memory vendor Team Group, which is marketing the SSD to customers working in sensitive

Topics: based group self ssd team

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BYD will accept liability if one of its self-parking cars crashes

theverge.com Emma Roth 2025-08-01 13:06:26

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. The Chinese EV-maker BYD says it will pay for any damage caused by its upgraded self-parking system, as reported earlier by Fast Company. A translated version of BYD’s announcement on Weibo says the company “will fully cover the safety and losses” of vehicles damaged by its God’s Eye self-parking system, which it claims has reached Level 4 autonomy.

Topics: byd company parking self tesla

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Launch HN: Leaping (YC W25) – Self-Improving Voice AI

news.ycombinator.com Unknown 2025-08-04 02:42:54

Hey HN, I'm Arkadiy from Leaping AI ( https://leapingai.com ). Leaping lets you build voice AI agents in a multi-stage, graph-like format that makes testing and improvement much easier. By evaluating each stage of a call, we can trace errors and regressions to a particular stage. Then we autonomously vary the prompt for that stage and A/B test it, allowing agents to self-improve over time. You can talk to one of our bots directly at https://leapingai.com, and there’s a demo video at https://www

Topics: ai self stage use voice

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Man of Glass: Boccaccio: A Biography

news.ycombinator.com Alexander Lee 2025-08-06 09:48:34

In early June 1363, Giovanni Boccaccio received a letter that stung him deeply. Just a few days shy of his fiftieth birthday, he was then at the height of his creative powers. He had already penned at least a dozen major works, including the Decameron, any one of which would have assured him a place alongside Dante and Petrarch in the firmament of Italian literature. Although recent political upheavals had forced him to leave his native Florence, he was still writing feverishly. Yet to his frien

Topics: boccaccio just literary santagata self

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Uncommon Uses of Python in Commonly Used Libraries (2022)

news.ycombinator.com Eugene Yan 2025-08-09 00:12:07

To learn how to build more maintainable and usable Python libraries, I’ve been reading some of the most widely used Python packages. Along the way, I learned some things about Python that are off the beaten path. Here are a few things I didn’t know before. Using super() in base classes Python’s super() lets us inherit base classes (aka super or parent classes) without having to explicitly refer to the base class. It’s usually used in the __init__ method. While this might be simply a nice-to-ha

Topics: __init__ class py self use

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On latency, measurement, and optimization in algorithmic trading systems

news.ycombinator.com Unknown 2025-08-08 03:10:59

"The speed of light sucks." - John Carmack ‍ Software engineers within the world of low-latency automated trading (colloquially known as "high-frequency trading" or HFT) obsess over speed. From purchasing private bandwidth between microwave towers to analyzing x86 instructions from different compiler versions, those with experience in this industry have seen colossal time and expense committed to the problem of optimizing code and network paths for minimal execution times. But how does one

Topics: exchange latency order self time

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Alternative Blanket Implementations for a Single Rust Trait

news.ycombinator.com Serhii Potapov 2025-08-11 08:48:56

July 01, 2025 #rust #traits #patterns Serhii PotapovJuly 01, 2025 Rust's trait system is famously powerful - and famously strict about avoiding ambiguity. One such rule is that you can't have multiple blanket implementations of the same trait that could potentially apply to the same type. What Is a Blanket Implementation? A blanket implementation is a trait implementation that applies to any type meeting certain constraints, typically via generics. A classic example from the standard librar

Topics: adapter fn result self state

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Parallelizing SHA256 Calculation on FPGA

news.ycombinator.com Unknown 2025-08-15 18:25:30

A few weeks ago, I wrote an article where I developed a hash calculator on an FPGA. Specifically, I implemented an SHA-256 calculator. This module computes the hash of a string (up to 25 bytes) in 68 clock cycles. The design leverages the parallelism of FPGAs to compute the W matrix and the recursive rounds concurrently. However, it produces only one hash every 68 clock cycles, leaving most of the FPGA underutilized during that time. In this article we are going to elevate the performance of t

Topics: 31 hash input self wire

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Tesla's Self-Driving Mode Causes It to Get Hit by Train

futurism.com Unknown 2025-08-17 01:25:04

Tesla's so-called "self-driving" features have some serious issues with train tracks — and in a recent instance, it led to a small collision with a moving freight train. As Pennsylvania-based broadcaster WFMZ reports, a family of three was forced to exit their Tesla in the wee hours of the morning after it decided, when in an assisted driving mode, to turn left onto some train tracks. Jared Renshaw, the fire commissioner for Southeastern PA's Western Berks County, told WFMZ that the car was in

Topics: driving self tesla tracks train

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Use keyword-only arguments in Python dataclasses

news.ycombinator.com Unknown 2025-08-23 09:45:36

Python dataclasses are a really nice feature for constructing classes that primarily hold or work with data. They can be a good alternative to using dictionaries, since they allow you to add methods, dynamic properties, and subclasses. They can also be a good alternative to building your own class by hand, since they don’t need a custom __init__() that reassigns attributes and provide methods like __eq__() out of the box. One small tip to keeping dataclasses maintainable is to always construct

Topics: dataclasses mydataclass self subclasses true

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Insta360’s new $110 Flow 2 gimbal sacrifices some useful pro features

theverge.com Andrew Liszewski 2025-08-27 06:46:14

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. Insta360 has announced a new version of its entry-level smartphone gimbal. The new Insta360 Flow 2 includes many of the upgrades introduced on the Insta360 Flow 2 Pro that launched earlier this year including multi person tracking and the ability to use the Apple Watch as a remote control. But you’re also going to lose useful features like the ab

Topics: app flow insta360 pro selfie

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Beyond static AI: MIT’s new framework lets models teach themselves

venturebeat.com Ben Dickson 2025-09-01 21:58:44

Join the event trusted by enterprise leaders for nearly two decades. VB Transform brings together the people building real enterprise AI strategy. Learn more Researchers at MIT have developed a framework called Self-Adapting Language Models (SEAL) that enables large language models (LLMs) to continuously learn and adapt by updating their own internal parameters. SEAL teaches an LLM to generate its own training data and update instructions, allowing it to permanently absorb new knowledge and lea

Topics: data learning model seal self

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Tesla's Robotaxi Service Hits the Road in Austin, With Riders Sharing Their Experiences

cnet.com See Full Bio 2025-09-02 21:09:00

Table of Contents Tesla's Robotaxi Service Hits the Road in Austin, With Riders Sharing Their Experiences Tesla's robotaxi service kicked off in Austin, Texas, on Sunday, with the cars picking up paying passengers without a driver behind the wheel for the first time. "The @Tesla_AI robotaxi launch begins in Austin this afternoon with customers paying a $4.20 flat fee!" Tesla CEO Elon Musk posted to X on Sunday. Earlier this month, Musk had said Tesla's robotaxi service would "tentatively" laun

Topics: austin robotaxi self service tesla

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Tesla launches robotaxi service in Austin

arstechnica.com Unknown 2025-09-02 22:52:05

Tesla’s robotaxi service, touted by Elon Musk as the future of his flagging electric-car maker, launched in the company’s home city of Austin, Texas, on Sunday with about 10 vehicles and a human safety driver on board amid regulatory scrutiny of its self-driving technology. Shares in Tesla have risen about 50 percent from this year’s low in early April, with investors hopeful the autonomous ride-hailing service will help revive a company that has suffered declining sales and a consumer backlash

Topics: musk robotaxi self service tesla

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Jürgen Schmidhuber：the Father of Generative AI Without Turing Award

news.ycombinator.com 作者田思奇 2025-09-04 05:00:55

In the sweltering heat of Shanghai, Jazzyear had the privilege of meeting Professor Jürgen Schmidhuber, a distinguished guest at the 2024 World Artificial Intelligence Conference (WAIC). Based on years of earlier research, Schmidhuber and his student Sepp Hochreiter published the architecture and training algorithms for Long Short-Term Memory (LSTM) networks in 1997 in a journal. This type of RNN (Recurrent Neural Network) is widely used by tech giants for applications in natural language p

Topics: ai jazzyear like schmidhuber self

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Tesla's robotaxi debut will reportedly be limited to only 10 cars in very specific areas

engadget.com Unknown 2025-09-06 14:58:02

The long-promised launch of Tesla's robotaxi service in Austin is scheduled for June 22, and it sounds like the company's initial offering will be modest at best. The Financial Times writes that Tesla will only have around 10 cars available for rides and that the company plans to make them "avoid the city’s most challenging intersections." If issues arise, remote operators will also reportedly be able to take control of the cars to make sure they reach their final destination. Tesla CEO Elon Mu

Topics: company driving robotaxi self tesla

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The Zed Debugger Is Here

news.ycombinator.com Unknown 2025-09-08 03:42:15

Over 2,000 developers asked, and we delivered. Debugging in Zed is now a reality—and it's a big leap toward Zed 1.0. We set out to build a debugger with three primary focuses: Fast: Spend less time context switching and more time debugging Familiar: In line with Zed's design language and supports everything expected from a typical debugger flow Configurable: You're able to customize the UI, keybindings, debug configurations and more Out of the box, Zed supports debugging popular languages

Topics: adapter cx debug self zed

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Old Video Shows Elon Musk Saying That What Tesla's Launching This Month Wouldn't Count as Full Self-Driving

futurism.com Unknown 2025-09-09 05:10:03

The launch date for Tesla's long-awaited robotaxi service in Austin, Texas continues to slip, raising embarrassing questions for the company. For one, the modified Model Y SUVs that will initially make up the EV maker's robotaxi fleet won't technically be driverless, because they'll be teleoperated by human employees if anything goes wrong. They'll also be geofenced to only the easiest areas to drive in, which as Electrek points out is a fascinating example of how CEO Elon Musk has moved goalp

Topics: driving musk robotaxi self tesla

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Homomorphically Encrypting CRDTs

news.ycombinator.com Unknown 2025-09-10 01:59:58

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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Disturbing Test Shows What Happens When Tesla Robotaxi Sees a Child Mannequin Pop Out From Behind a School Bus

futurism.com Unknown 2025-09-11 08:04:35

After promising self-driving robotaxis for more than a decade, it's probably no surprise that Tesla CEO Elon Musk has blown way past his promised rollout date of June 12. Now scheduled to formally roll out on the streets in Austin, Texas on either June 22 or 28 — not even Musk seems to know at this point — the tech billionaire's self-driving charade is running seriously behind. As consumer interest in Tesla continues to plummet, one generational hater is showing just how far Musk's last ditch e

Topics: bus dowd driving self tesla

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Tesla blows past stopped school bus and hits kid-sized dummies in Full Self-Driving tests

engadget.com Unknown 2025-09-13 03:37:56

A revealing demonstration with Tesla's Full Self-Driving mode is raising concerns about whether fully autonomous cars are ready to hit the streets. Tesla has reportedly pushed back the rollout of its upcoming all-electric, fully autonomous car called the Cybercab, while a recent demonstration in Austin, Texas showed a Tesla Model Y running through a school bus' flashing lights and stop signs, and hitting child-size mannequins. The tests were conducted by The Dawn Project, along with Tesla Takedo

Topics: autonomous driving fully self tesla

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Implementing Logic Programming

news.ycombinator.com Sir Whinesalot 2025-09-15 05:32:21

Most of my readers are probably familiar with procedural programming, object-oriented programming (OOP), and functional programming (FP). The majority of top programming languages on all of the language popularity charts (like TIOBE) support all three to some extent. Even if a programmer avoided one or more of those three paradigms like the plague, they’re likely at least aware of them and what they’re about. Or they’re applying one of the paradigms while denying that they’re doing so, like Has

Topics: atom fact parent predicate self

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The Missing Manual for Signals: State Management for Python Developers

news.ycombinator.com Unknown 2025-09-16 21:55:01

A practical guide to reactive state management in Python Introduction I maintain reaktiv. When I demo it to Python teams, I get the same response: "Why do I need this? I can just call functions when things change." Fair question. Python has excellent patterns for coordinating state changes. You can trigger updates manually, use the observer pattern, or set up event systems. Most Python applications handle state coordination just fine. But some don't. If you're building systems where state c

Topics: color computed fff self style

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You Are Completely Unprepared for What Tesla's Robotaxi Actually Looks Like

futurism.com Unknown 2025-09-18 19:00:01

We've finally gotten a glimpse at one of Tesla's Robotaxis in action. But don't expect your socks to be blown off. As seen in a bystander's footage taken in Austin, Texas, that Elon Musk has proudly reshared, it's literally just a black Model Y with the word "Robotaxi" scrawled on the side in a painfully outdated graffiti font. The future is truly upon us. "Beautifully simple design," Musk tweeted, presumably through a pained grimace. BREAKING: First ever Tesla Model Y robotaxi with no-one in

Topics: driving musk robotaxi self tesla

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The UK Accelerates Its Self-Driving Car Ambitions

wired.com Aarian Marshall 2025-09-18 03:30:00

Slow and steady. When it comes to autonomous vehicles on city roads, that’s been the approach in most of the world’s countries. But on Tuesday, the UK announced it would put a cautious foot on the pedal, when the Department of Transport said it would accelerate plans to allow companies to operate self-driving cars on public roads in limited pilot programs starting spring of next year. The British government had initially planned to open up its roads for self-driving vehicles more than a year la

Topics: autonomous government roads says self

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Build your own SQLite in Rust, Part 5: Evaluating queries

news.ycombinator.com Geoffrey Copin 2025-06-04 11:32:18

In the previous posts, we've explored the SQLite file format and built a simple SQL parser. It's time to put these pieces together and implement a query evaluator! In this post, we'll lay the groundwork for evaluating SQL queries and build a query evaluator that can handle basic SELECT statements. While our initial implementation won't support filtering, sorting, grouping, or joins yet, it will give us the foundation to add these features in future posts. As usual, the complete source code for

Topics: db let operator page self

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Latest Tech News

“Bypassing” specialization in Rust

"Bypassing" Specialization in Rust or How I Learned to Stop Worrying and Love F

Zig Interface Revisited

M.2 SSD Can Self-Destruct by Giving Itself a Burst of Voltage

BYD will accept liability if one of its self-parking cars crashes

Launch HN: Leaping (YC W25) – Self-Improving Voice AI

Man of Glass: Boccaccio: A Biography

Uncommon Uses of Python in Commonly Used Libraries (2022)

On latency, measurement, and optimization in algorithmic trading systems

Alternative Blanket Implementations for a Single Rust Trait

Parallelizing SHA256 Calculation on FPGA

Tesla's Self-Driving Mode Causes It to Get Hit by Train

Use keyword-only arguments in Python dataclasses

Insta360’s new $110 Flow 2 gimbal sacrifices some useful pro features

Beyond static AI: MIT’s new framework lets models teach themselves

Tesla's Robotaxi Service Hits the Road in Austin, With Riders Sharing Their Experiences

Tesla launches robotaxi service in Austin

Jürgen Schmidhuber：the Father of Generative AI Without Turing Award

Tesla's robotaxi debut will reportedly be limited to only 10 cars in very specific areas

The Zed Debugger Is Here

Old Video Shows Elon Musk Saying That What Tesla's Launching This Month Wouldn't Count as Full Self-Driving

Homomorphically Encrypting CRDTs

Disturbing Test Shows What Happens When Tesla Robotaxi Sees a Child Mannequin Pop Out From Behind a School Bus

Tesla blows past stopped school bus and hits kid-sized dummies in Full Self-Driving tests

Implementing Logic Programming

The Missing Manual for Signals: State Management for Python Developers

You Are Completely Unprepared for What Tesla's Robotaxi Actually Looks Like

The UK Accelerates Its Self-Driving Car Ambitions

Build your own SQLite in Rust, Part 5: Evaluating queries

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