Fusion is a hobby operating system for x86-64 implemented in Nim. I'm documenting the process of building it at: https://0xc0ffee.netlify.app. Fusion currently runs on QEMU, so you'll need to install it first. Launch Fusion with the following command:

The user retired from programming at 63.5 after four decades, citing a lack of desire and the need to be honest with oneself about one's abilities and interests. They emphasize the importance of being aware of one's limitations and considering alternative paths, whether due to burnout, obsolete technology, or a desire to pursue other passions.

Enrico Fermi criticized Dyson's model in 1953, saying it had too many parameters. This paper defines the problem and attempts to fit an elephant using four parameters, addressing the issue of incomplete requirements.

Create and host your own custom Jeopardy games. Perfect for game nights, the classroom, corporate trainings and social events. See the answer to every clue and always know which team is selecting the next clue.

The author identifies six "dumb ideas" in computer security, including "Default Permit", "Enumerating Badness", "Penetrate and Patch", "Hacking is Cool", "Educating Users", and "Action is Better Than Inaction", which are common pitfalls that can lead to security breaches. The author argues that these ideas are not only ineffective but also promote a culture of complacency and lack of critical ...

The author describes the process of setting up an x86_64 CPU from a boot sector loaded by the BIOS in 16-bit real mode to 64-bit long mode, using Intel manuals, an assembler, and QEMU. The setup involves bootstrapping, loading stages, switching to protected mode, and enabling paging, with a focus on the flat model and long mode-specific features.

The post describes the process of calculating the position of a user using GPS signals, including the calculation of satellite positions, pseudoranges, and clock biases, and the use of an iterative algorithm to estimate the user's position and clock bias. The post also discusses the concept of Dilution of Precision (DOP), which measures the quality of the position estimate, and provides ...

Notion's data has grown 10x in the past three years, requiring the development of a data lake to manage the rapid growth and meet the demands of critical product and analytics use cases. The data lake uses a sharded Postgres database, Apache Hudi for data ingestion, and Spark for data processing, resulting in significant cost savings and improved data freshness and scalability.

UTM SE is a PC emulator app approved by Apple, allowing users to run classic software and old-school games on their iPhone. The app is available for free on iOS, iPadOS, and visionOS, but requires users to download operating systems or virtual machines separately.

Paul Graham's essay "How People Get Rich Now" is criticized for downplaying wealth inequality and promoting the idea that anyone can become rich through entrepreneurship, while ignoring the growing wealth gap and lack of opportunities for most people. The essay is seen as a thinly veiled attempt to ease concerns about wealth inequality and justify the increasing wealth of the rich, rather ...

The US Court of Appeals for the Fourth Circuit ruled that the government's acquisition of users' mobile-device location data from Google does not constitute a search under the Fourth Amendment, and that users must take several affirmative steps to enable location tracking and storage. The court also outlined Google's procedure for responding to geofence requests, which includes reviewing and ...

We aim to create a simple self-hosted git collaboration tool that combines mailing list and pull request workflows, allowing external contributors to submit patches and receive reviews without sacrificing ease of use. The tool will leverage SSH, RSS, and static web assets to enable code reviews and collaboration within the local development environment.

Kaskade is a TUI for Apache Kafka built with Textual, providing features like SSL encryption and authentication. The tool is used to administer and consume Kafka topics, with options for SASL_SSL protocol, authentication, and schema registry URL.

Warp is a Python framework for high-performance simulation and graphics, allowing users to write regular Python functions that are JIT compiled to efficient kernel code for CPU or GPU execution. The framework is designed for spatial computing and comes with a rich set of primitives for physics simulation, perception, robotics, and geometry processing, and is compatible with machine-learning ...

Researchers at UC San Diego developed a firmware update to hide a smartphone's unique Bluetooth fingerprint, eliminating a vulnerability that could be used to track a device's user. The update uses multiple layers of randomization to make it difficult to infer a device's identity, requiring an attacker to observe the device for over 10 days to achieve the same level of tracking accuracy.

The evaluation of Java Virtual Threads (JVT) in Open Liberty found that JVT did not offer a clear advantage over Open Liberty's existing autonomic thread pool for typical cloud-native Java workloads, and in some cases, JVT performed worse. The evaluation also identified unexpected performance issues with JVT, including poor performance on 2-CPU configurations and interactions with the Linux ...

AT&T was once one of the largest and most important companies in the world, dominating the telephone industry for most of the 20th century, but its size and influence have significantly decreased since the 1980s. Despite its decline, AT&T played a crucial role in shaping American life, transforming the telephone from a luxury to a ubiquitous service, and its relentless pursuit of cheap, ...

Collection of more than 70,000 public domain books that can now not only be read, but also listened to, using the latest Text-to-Speech model from OpenAI.

The article discusses the importance of understanding cash flow in a business, particularly for SaaS companies, and how it can be transformed by optimizing metrics such as CAC, ARPC, and GPM. It also explores strategies for improving cash flow, including raising prices, offering annual plans, and accounting for cancellations, and emphasizes the importance of considering all expenses at the ...

The Soviet Union developed a range of calculators from the 1960s to the 1980s, including mechanical, electronic, and programmable models, with features such as logarithmic slide rules, floating-point displays, and algebraic logic. The calculators were designed for various purposes, including scientific, engineering, and everyday use, and were popular among students, professionals, and ...

The Project Gutenberg License allows for the free distribution of electronic works that are not protected by U.S. copyright law, and users can copy, distribute, and modify these works as long as they comply with the terms of the license. The license also includes provisions for obtaining permission to use copyrighted works, and users are required to indemnify the Foundation and other parties ...

Fernando Corbató's lecture discusses the inevitability of failures in complex, ambitious systems, citing examples from his own experiences with the Compatible Time-Sharing System (CTSS) and the Multics system. He emphasizes the importance of simplicity, elegance, and robustness in system design, as well as the need to anticipate and prepare for errors and failures.

California is transitioning to a carbon-free grid with no rolling blackouts, thanks to upgrades and increased clean energy, especially solar and battery storage. The state has reached a level of storage that enables exports and has had 50 more days of 100% renewable electricity in 2024 compared to 2023.

The author argues that remote meetings exacerbate the "caucus problem", where dominant individuals interrupt and silence others, and proposes a solution in the form of a moderator who ensures equal opportunities for all to contribute. By implementing a moderator, meetings can become more inclusive and effective, and employees can develop habits of acknowledging and respecting each other's ...

ULID (Universally Unique Lexicographically Sortable Identifier) is a 26-character Base32 encoded string that provides a unique identifier with a guaranteed sort order, using a combination of timestamp and random number generation. The ULID generation process ensures that the same millisecond will produce a unique identifier with a guaranteed sort order, and it also prevents overflow bugs by ...

Valve, the company behind Steam, has a surprisingly small workforce of 336 employees as of 2021, despite its massive influence on the gaming industry. The company's payroll data reveals that Valve's "Games" department peaked at $221 million in 2017, but decreased to $192 million by 2021, with a small team of 79 employees working on Steam.

King Æthelstan's reputation as a powerful and pious ruler is well-documented, but his personal life and motivations remain unclear due to limited sources. This biography attempts to reconstruct Æthelstan's life by exploring his relationships, actions, and decisions in various contexts, revealing a complex and multifaceted individual.

KoBold Metals, a company using AI-driven technology, has discovered a large copper deposit in Zambia, estimated to produce 300,000 tons of copper per year, worth billions of dollars. The find is significant as it could transform the way metals are found and could impact the global supply of minerals needed for clean-energy technologies.

The author aims to develop a Reinforcement Learning (RL) algorithm to learn the optimal sequence of actions to craft a target item in Path of Exile (PoE), a popular action RPG. The algorithm uses a model-based approach, learning a model of the environment and solving the Markov Decision Process (MDP) using q-value iteration, and is able to discover optimal crafting strategies that are not ...

A clinical trial in South Africa and Uganda found that a twice-yearly injection of lenacapavir provided 100% protection against HIV infection in young women, outperforming daily pills Truvada and Descovy. The trial's results are significant, offering a new, highly effective prevention tool to combat HIV, and the drug's manufacturer plans to submit the results to regulators and make it ...

You've found work through professional networks, including LinkedIn, and are curious about the effectiveness of job listings in hiring. You've noticed hundreds of applicants for top jobs on LinkedIn and wonder if companies still hire directly through job listings.

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The study finds that ChatGPT outages lead to a decline in stock trading volume, short-run price impact, and return variance, suggesting a reduction in informed trading. The authors also find that firms with corporate news released during outages experience a stronger decline, and that GAI-assisted trading may have a positive effect on long-run stock price informativeness.

The Grind PvP binary has been released with a major rework of the old serial-cable PvP functionality, featuring new match options, arenas, and stats screen. The update includes two new arenas, Cursed Village and Wheel Temple, with improved graphics and gameplay details, and a new multiplayer stats screen.

Go 1.23 introduces range iterators, allowing iteration over custom collection types. Range iterators are function types that can be used with the range keyword, enabling iteration over collections that aren't slices or maps.

Samsung advertises the 990 Pro 4TB SSD with different TBW (1200TB in Poland, 2400TB in US and UK) due to different market prices and consumer protection regulations. This discrepancy may lead to confusion and potential scams, as customers may unknowingly purchase a lower-spec drive with the same model number.

The author describes their discovery of the internet and its various subcultures, including Encyclopedia Dramatica, a satirical wiki that documented internet drama, and 4chan, an image board that spawned the Anonymous movement. The author also recounts their involvement with Weev, a hacker, and their own experiments with causing drama online, as well as their observations of the Anonymous ...

The user discusses the new Git feature --update-refs, which simplifies rebasing and updating stacked branches, making it easier to manage feature development. They demonstrate how --update-refs can be used to rebase and update multiple branches with a single command, reducing the complexity of the process.

The New Essential Guide to Electronics in Shenzhen is a practical guidebook that helps foreign electronic shoppers navigate the complex Huaqiangbei district in Shenzhen, China, with humorous and insightful tips on WeChat etiquette, cultural norms, and market practices. The guidebook is designed to be a useful resource for both foreign visitors and Chinese readers, providing a comprehensive ...

An intern's prank, changing the cursor to a middle finger, was accidentally included in a Windows 3.1 beta release, causing an uproar among partner companies and senior management. The intern was fired, but later rehired after a stern talk, and the incident was documented in a bug report.

CURLoRA is a novel approach to fine-tuning large language models that addresses catastrophic forgetting and reduces trainable parameters. It uses CUR matrix decomposition with inverted probabilities and initializes the U matrix as a zero matrix, achieving superior accuracy and perplexity scores compared to standard LoRA.

Google detected unusual traffic from your computer network, possibly due to malicious software or automated requests. To continue using Google services, solve the CAPTCHA to verify you're a human and not a robot.

You're seeking a more accurate book on sleep after reading criticisms of "Why We Sleep". You're open to book recommendations, articles, podcasts, or scientific authors to learn about human sleep, even if not all information applies to your specific situation.

About 130 million American adults have low literacy skills, with 54% reading below a sixth-grade level, and funding for adult literacy programs varies drastically by state. The US ranks 16th among 33 OECD nations in adult literacy, with some states receiving significantly more federal and state funding for adult education than others.

You created a privacy-conscious temporary mail extension with a revamped UI, additional domains, and a browser-based inbox, free from ads and with a custom email parser written from scratch. You're seeking feedback to improve it and considering adding an API, and previously launched it on HN in December 2020 with limited traction.

The Canon Cat is a 1980s computer designed by Jef Raskin, which has a unique operating system and programming language called Forth. The article discusses how to use the Canon Cat, including its word processor-like interface, Forth programming language, and how to create and image floppy disks using a Greaseweazle device.

Megacryometeors are large, mysterious ice chunks that fall from clear skies, with over 50 recorded worldwide, weighing up to 400 pounds. Scientists believe they may be formed in the atmosphere due to unusual weather conditions, while others speculate they could be caused by aircraft or even a hoax, but the true origin remains unknown.

AT&T paid a hacker $373,646 to delete stolen customer call records and provide proof of deletion, after the hacker stole data from a poorly secured Snowflake cloud storage account. The hacker, part of the ShinyHunters group, initially demanded $1 million but agreed to a third of that amount, and the data included call and text metadata, but not content or names of phone owners.

Completing the CAPTCHA proves you're a human and grants temporary access. Run an anti-virus scan on your device or ask the network administrator to scan the network for malware.

The user experienced issues deploying Next.js applications to Cloudflare Pages, including inconsistent environment variable loading, build command difficulties, and logging challenges. They suggest improvements to the Cloudflare Pages experience, including better documentation, end-to-end testing, and support for popular NPM packages.

The Wikimedia movement has decided to continue supporting both Gerrit and GitLab as code forge solutions, with Gerrit remaining for deeply connected repositories and GitLab for tools, analytics, and services. The decision aims to reduce change fatigue and preserve the code review productivity of developers on production-critical projects, while also allowing for flexibility and choice in ...

You're looking for statistics on the number of people installing progressive web apps (PWAs) and the proportion of users who add PWAs to their home screen. You've found conflicting information, including Apple's claim of "very low user adoption" and Chrome OS's report of a 270% growth in desktop PWA installs since 2021.

Alderon Games claims a "nearly 100 percent failure rate" for certain Intel CPUs, citing instability issues and crashes, while RAD Game Tools disputes the severity of the problem. The developer is swapping to AMD servers and urges others to do the same, citing thousands of crashes and potential corruption of storage and memory.

California Governor Gavin Newsom signed AB 1637, requiring public-facing websites and employee websites to use ".gov" or ".ca.gov" domains by January 1, 2029. The law aims to improve cybersecurity and help users identify official government resources, with special districts exempt and reimbursement available for mandated costs.

Over 2,400 patients in Portland, Oregon may have been exposed to infectious diseases due to an anesthesiologist's alleged failure to follow infection control practices. Patients are being notified and encouraged to get a free blood test to screen for infections, with no reported cases of illness associated with the breach.

The File Transfer Service uses quic-go's implementation of the quic protocol to transfer files concurrently over a single connection, enabling faster transfers. The service also supports optional MD5 checksums for verification, but relies on quic's built-in reliability guarantee for secure and reliable file transfers.

The Wikimedia project aims to improve readability and accessibility by increasing the default font size to 16 pixels, introducing night mode, and allowing users to customize typography and page width. The changes will be rolled out in two steps, initially targeting a small set of wikis for testing before implementing changes across all wikis.

The Fenwick tree is an implicit data structure that allows for logarithmic time operations such as modifying, accessing, and computing prefix sums, and its variants can improve performance and reduce size. The structure can be used to implement an efficient dynamic bit vector, outperforming existing data structures with the same purpose.

The claustrum, a brain area with high connectivity, plays a role in regulating wakefulness, attention, and attentiveness, with low activity linked to increased responsivity and high activity to deeper sleep and better-regulated behavior. The study's findings could lead to new approaches for diagnosing and treating neurological and psychiatric disorders, such as ADHD, by improving control over ...

Welcome to the arkenfox gui. This helps you to explore the information from the arkenfox user.js, a template configuration file that can control Firefox settings. You can visit the project, obtain the file, and read the Wiki at https://github.com/arkenfox/user.js

The book "The Family That Couldn't Sleep" by D.T. Max explores the history of prion diseases, including kuru, scrapie, and mad cow disease, and the scientists who studied them, including Carleton Gajdusek and Stanley Prusiner. The book also delves into the human impact of these diseases, including the vCJD epidemic in the UK, and the failures of the agricultural industry and government to ...

A simulator of the classic Windows 98 Disk Defragmenter tool. Relive the nostalgia of defragmenting different disk drives!

Intel's 13th and 14th Gen CPUs are experiencing crashing issues, with Warframe and Path of Titans developers reporting problems, and Epic Games noting Fortnite crashes on these CPUs. The issues may be related to poor power and thermal management, and a BIOS update may help, but Intel has not yet fully understood the problem.

Researchers at MIT and FAR AI tested three methods to harden the top-level KataGo algorithm's defenses against adversarial attacks in the game of Go, finding that creating truly robust AIs may be difficult. Despite failing to eliminate vulnerabilities, the researchers were able to plug up fixed exploits, suggesting that training against a large corpus of attacks may be a viable approach to ...

A working group discussed improving network utilization with AI and ML, but ignored a participant's observation that a simple WAN failover solution already exists. The group's question was misguided, as it assumed AI could improve something that didn't need improving, and instead, the solution drove the requirements.

Researchers propose geoengineering methods to slow sea level rise by building barriers or drilling into ice sheets, but glaciologists are divided on the idea, citing concerns over cost, logistics, and potential unintended consequences. The debate has sparked a "civil war" among glaciologists, with some opposing even preliminary research on the concepts, while others argue that studying ...

The user proposes using template literals and functions in JavaScript to create a dependency-free templating language, allowing for simple and flexible templating without additional abstractions or dependencies. This approach, which involves functions returning strings, can be used in various environments, including Node.js, Deno, and the browser, with zero dependencies and no need for ...

Pour Decision is an alcohol tracker and mindful drinking companion app. Whether your goal is to reduce drinking or quit entirely, we're here to help you at your own pace.

Qubes OS 4.2.2 is a stable release that consolidates security patches, bug fixes, and updates since the previous stable release, and includes a fix for a restrictive file-copy service. Users can install or reinstall the latest stable Qubes release with an up-to-date ISO, and those currently on Qubes 4.1 or 4.2 can upgrade normally without reinstallation.

The website is using a security service to protect itself from online attacks and has blocked the user's action. The user can email the site owner to report the block and include details of what they were doing when the page came up.

The author infiltrated a large community of spammers in South Asia to expose the shadow economy of spam, which is a lucrative business that enables fraudsters, scammers, and other bad actors to make money by exploiting social media platforms. The author highlights the need for platforms to design their products with integrity in mind, rather than trying to patch inherent failures after the ...

You're building a simple relational database as a learning project, focusing on understanding internals and algorithms. You're looking for resources to help you start writing your own database, preferably something less intimidating than reading SQLite code.

The concept of a universal basic income (UBI) is gaining traction as a potential solution to the threat of job displacement caused by artificial intelligence (AI), with proponents arguing that it would provide a vital safety net and enable people to pursue meaningful work. While there are currently no UBI schemes in the UK, pilots are being run in other countries, with positive results, and ...

The activity of claustrum neurons projecting to the anterior cingulate cortex (ACCp) is associated with engagement levels in both sleep and task performance, with elevated ACCp activity promoting unresponsive sleep and reducing impulsive errors during task performance. The claustrum's role in engagement is reflected in the distinct behavioral strategies employed by mice, with explorers ...

The user created a vacuum-forming project to wrap keyboard keycaps with vinyl foil for protection and color, designing and 3D printing special jigs to hold the keycaps in place. After several trial and error attempts, the user successfully wrapped a keyboard with vinyl foil, finding the process time-consuming but worth the result.

Google's Gemini AI service is reading private Drive documents without user permission, sparking concerns over lack of control over sensitive information. The issue may be caused by malfunctioning internal systems or incorrect settings, and users are left to find and disable the feature, which is not clearly explained.

The plaintiff in the class action lawsuit “plausibly alleged that DraftKings’ NFTs satisfy three prongs of the Howey test," wrote the judge.

UTM SE, a new version of the UTM front-end for QEMU, is not usable for local development on an iPad due to the lack of a JIT, but can be made reasonably usable by disabling the GUI and restricting core count. The user compares UTM SE to other alternatives like a-Shell and iSH, concluding that a small Linux single-board computer is still the best option for developing on the go on an iPad.

The paper discusses conversational challenges in AI-powered data science, highlighting obstacles, needs, and design opportunities. Data scientists struggle with providing context, false assumptions, and hallucinations when using ChatGPT, requiring multiple steps and iterations to accomplish tasks.

Alphabet is in advanced talks to acquire Wiz for $23 billion, aiming to fortify Google's cloud business. The deal would be Alphabet's biggest acquisition ever, with Wiz offering all-in-one cloud security solutions.

Stony Brook University professors developed a study on "The Lazy Bureaucrat Scheduling Problem" to understand how workers and bureaucrats can optimize their work to do as little as possible while still appearing busy. The study found that being optimally lazy is mathematically more difficult than being optimally efficient, and the results can help model real-life situations where workers have ...

The author proposes a new approach to building an operating system, focusing on immutability, cryptographic validation, and adaptability. The system would be built around an immutable `/usr/` tree, with a hermetic OS design, and would use systemd-sysext, portable services, and systemd-nspawn containers to provide modularity and flexibility.

SODAP is a specification for exposing a directory of people over the web through Webfinger and JSON-LD, allowing discovery of Actors and their associated details. A Directory may provide an index of Actors, which are JSON-LD representations of people, and may also offer OpenID Connect authentication for third-party services.

New bounds are established for Dirichlet polynomials taking large values, improving estimates for prime numbers and the Riemann zeta function. This leads to a zero density estimate and asymptotics for primes in short intervals.

The Wine development release 9.13 is now available. What's new in this release: Support for loading ODBC Windows drivers. More user32...

This will produce an executable file at target/release/bluetui that you can copy to a directory in your $PATH. toggle_scanning = "s" [adapter] toggle_pairing = "p" toggle_power = "o" toggle_discovery = "d" [paired_device] unpair = "u" toggle_connect = " " toggle_trust = "t" rename = "e" [new_device] pair = "p"

Drygol created a unique and non-destructive way to add colored keycaps to retro devices by wrapping original keycaps in vinyl film using a vacuum former. The process preserves the original key and produces striking results, as seen in the example of an Amiga with an orange keyboard.