Andrew Krapivin, a Rutgers University student, discovered a new hash table design that disproves a 40-year-old conjecture by Andrew Yao. The new hash table can find elements faster than previously thought, with time proportional to (log x)2, not x.
English has a pattern of common patronymic names where a surname is derived from a father's name or nickname. Many surnames can be inferred to have a specific forename origin based on common patterns and nicknames.
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Researchers at Anthropic launched the Economic Index to study AI's impact on labor markets and the economy. The Index's initial report reveals AI is being used in various tasks across the modern economy, with augmentation being more prevalent than automation.
In October 2024 I decided to buy a Tesla Model 3. When I picked up the car, many of its features did not work (cameras, GPS navigation system, autopilot, software updates, etc.). It turned out to be a major issue with Tesla’s brand-new on-board computer. This is a common failure in Tesla Model 3 cars manufactured in the last quarter of 2024. The issue has affected thousands of Tesla ...
PDFSyntax is a low-level Python library for inspecting PDFs, offering a visualization approach with added info and hyperlinks. It produces static HTML content with interactivity, even with JavaScript disabled.
User needs to register or sign in with developer credentials and ensure a unique User-Agent string to access the application. If blocked, try changing back to default User-Agent or file a ticket for assistance.
The user built a workstation to run large language models (LLMs) locally, using a combination of second-hand parts including a HP Z440 workstation, two Tesla server GPUs, and a third video card to keep the BIOS happy. The setup allows for running medium-sized models under the user's control, with a tradeoff between noise, temperature, and power consumption, and the user is happy with the ...
Andrej Karpathy's video on LLMs explains how they work, including tokenization, context windows, and stochastic output, and how to improve them through post-training and fine-tuning. Techniques like retrieval-augmented generation, reinforcement learning, and reward model training can help reduce hallucinations and improve LLMs' reasoning capabilities.
I frequently say that advertising is a cancer on modern society. This view is met with various reactions, including requests for a more detailed explanation. In this post, I first explain why I believe the cancer analogy is apt, then continue with a nonexhaustive list of observable symptoms of this disease, and end with some final thoughts. This post is a living document, updated over time, ...
Scientists have reconstructed the face of St. Thomas Aquinas using his skull, revealing a handsome and noble-looking man. The study also suggests that Aquinas died from a traumatic brain injury caused by a tree falling on him.
The user created a web-based coding environment called thinkserver, which allows for easy editing and live preview of web pages. It supports Elm and has features like automatic file saving, Makefile execution, and shell command running.
NESFab is a new programming language for creating NES games, designed with 8-bit limitations in mind and producing faster assembly code. It's easy to use and has useful libraries for making NES games, including a level editor called MapFab.
K is a family of concise, fast vector-oriented languages designed by Arthur Whitney, with a unique syntax and philosophy that values conciseness and speed over readability. The language is known for its simplicity, with a small set of built-in functions and a steep learning curve, but offers a powerful and efficient way to work with data, making it a popular choice for data wrangling and analytics.
A 2023 study found reCAPTCHAs ineffective at preventing bot traffic, wasting millions of hours and generating nearly a trillion dollars worth of data for Google. The study concluded reCAPTCHA is a "tracking cookie farm for profit" rather than a security service.
Google's pipe syntax is an extension to GoogleSQL that supports a linear query structure making queries easier to read, write, and maintain. It allows users to structure their queries in a linear sequence of pipe operators without using deeply nested subqueries.
FetchFox is inventing a new model for Founding Engineer compensation to solve problems with the current model, offering 5-25% stake and a crypto token with continuous liquidity. This model aims to attract great engineers who value intangible benefits and are willing to take on risk.
Delirium is a common deathbed phenomenon where the dying person's brain disconnects, causing confusion and hallucinations. It's often mistaken for dementia or depression, but can be a normal part of the dying process.
Ada has led in safety-critical space for 40 years, but Rust is catching up. Ada's powerful subtypes and declarations give it an edge over Rust.
Kenneth Harry Olsen was born on the 20th of February in 1926 in Bridgeport, Connecticut, and he grew up in nearby Stratford. In the 1930s and 1940s when Olsen was a teenager, the electronics industry for the average person was essentially the radio industry. For Olsen, his window into that world was magazines, particularly Popular Mechanics and Popular Science. In the most common text books ...
I’ll be eating a quick lunch with some friends of mine who are still in high school. They’ll ask me what I’ve been up to the last few weeks, and I’ll tell them that I’ve been learning category theory. They’ll ask me what category theory is about. I tell them it’s about abstracting things by looking at just the structure-preserving morphisms between them, rather than the objects themselves. ...
Hedge funds are charging high "no limit" fees to investors, with some firms passing through expenses like mobile phone service and employee gifts. Investors are willing to pay these fees for potentially higher returns, but critics say it's a bet that may not pay off.
Realtime features in apps require a connection between the client and server to notify clients of data changes, with options like websockets, sse, and polling. Two common patterns for implementing real-time features are poke/pull and push state, with push ops and event sourcing being variations of push state that allow for more efficient data transfer and client-side logic.
We resurrected Xvesa with Xfbdev for a lightweight X server, focusing on bugfixes and minimal features. The goal is a small, fully featured binary without bloat, using the GPLv3 license.
Kaspersky discovered a hardware backdoor in Apple's mobile silicon, starting with the A12 CPU, allowing complete remote access and control of affected devices. The backdoor was intentionally designed into the CPU and was used by the Triangulation malware to compromise iOS devices without user action, with Apple later patching the issue.
Researchers developed a novel language model that scales test-time computation by reasoning in latent space, improving performance on reasoning benchmarks up to 50 billion parameters. The model, with 3.5 billion parameters and 800 billion tokens, achieves this without specialized training data or large context windows.
Airplanes are flying slower today due to fuel economy, with newer high-bypass engines peaking in efficiency at lower speeds. This has led to slower cruising speeds, but may change with private supersonic jets being developed.
Frupidity is a reckless form of frugality that prioritizes short-term savings over long-term productivity and sanity. It can lead to a culture of penny-pinching that ultimately costs companies more in lost efficiency and talent.
The blog post explores implementing order-independent keyword arguments for C++ using C++26's proposed reflection features, showcasing the power of reflection in achieving similar functionality to named, labeled, or keyword arguments. The post provides a detailed implementation of the technique, including parsing lambda capture lists, injecting keyword argument container types, and ...
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The blog is written in raw HTML with md-block for markdown and highlight.js for syntax highlighting. It's a self-sufficient platform that doesn't rely on a static site generator.
Apple's options are to either comply with the UK's order and risk global consequences or take drastic measures like closing UK operations and losing £1.5bn in revenue. Apple's third option is to decentralize iCloud by allowing users to store data on third-party servers, making it harder for governments to access.
Relational Quantum Mechanics (RQM) is the most recent among the interpretations of quantum mechanics that are widely discussed today. It was introduced in 1996, with quantum gravity as a remote motivation (Rovelli 1996); interests has grown since, first very slowly, but steadily, and has peaked during the last years (see Calosi and Riedel 2024, also for a good account of the historical ...
The Linux kernel allows flexibility in adopting Rust, with each subsystem deciding its own approach and maintainers not pressured to reject Rust. The kernel has a mixed team to help with Rust, with the 'RUST' subsystem acting as a fallback for Rust code and allowing temporary breakage for friendly adoption.
Researchers at Cornell University found large magma bodies beneath dormant and active volcanoes in the Cascade Range, challenging the long-standing belief that magma bodies dissipate over time. This discovery could improve volcanic monitoring and prediction by shifting the understanding of magma bodies as a baseline situation rather than a sign of increased eruption likelihood.
What Happens to SaaS in a World with Computer Using Agents? 2/10/25 • By Stephen Coyner Context: We are rapidly entering the era of intelligent AI agents. Thus far, the most successful agents have handled relatively narrow tasks by being built directly into systems (e.g. a customer support age...
Database query engines face a tradeoff between interpreter overhead and compilation time, with vectorized interpreters and query compilers being used to address this issue, but with varying degrees of success and complexity. A baseline compiler approach, similar to those used in browsers, may offer a more efficient and commoditized solution, but requires significant development effort and has ...
Scientists have created a new, recyclable plastic made from a bio-sourced material that can be easily recycled and degraded. This alternative to traditional thermosets has comparable properties to commercial plastics but is more environmentally friendly.
Valve has updated Steam's advertising policy, banning in-game ads that gate access or interfere with gameplay. The policy allows product placement and cross-promotions, but prohibits charging developers for bundles or store access.
User uses Bootstrap for CSS in personal projects, finding it easy to create interactive UI widgets. They used Bootstrap's color variables to easily change the design of their app Larder to match the transgender flag colors.
Raymond has been involved in Windows evolution for over 30 years and created The Old New Thing website and book. He occasionally shares stories on the Windows Dev Docs Twitter account.
When considering a Physics PhD program in experimental Quantum/Molecular optics, think about your goals and what you want to achieve, such as contributing to human knowledge or transitioning to industry.
The website is temporarily blocked due to security reasons after a suspicious action was detected. Please email the site owner with the Cloudflare Ray ID and details of the action that triggered the block.
Native Americans are working to restore buffalo populations and ecosystems through a multi-state initiative. The effort aims to bring back the buffalo to its ancestral homelands and restore the ecosystem, which has been disrupted by the species' near extinction.
The user, a startup founder, attempted to build a photo encryption app called SafeSpace using Apple's SwiftUI, but faced numerous rejections and struggles with the App Store. After a year of losses, the app was revamped with a new concept and marketing strategy, resulting in a significant increase in profits, but the user's account was then put under investigation by Apple.
NVIDIA's Security Team sought a measurable answer to the hostile cybersecurity environment by adopting formal verification with SPARK code. They found significant improvements in security robustness and verification efficiency, leading to widespread adoption within the company.
J. Anthony Lukas, a world-class pinball player, competes against Tom Buckley in a best-of-five game at Circus Circus. Lukas wins the first two games but Buckley comes back to tie the score.
Eight beavers in the Czech Republic built a dam worth over one million dollars, addressing water issues without permits. Their work is an example of ecosystem engineering, where animals modify their environment to create resources for others.
Prerelease users should be aware that this document is currently in draft form. It will be updated substantially as Python 3.14 moves towards release, so it’s worth checking back even after reading earlier versions. The annotations on functions, classes, and modules are no longer evaluated eagerly. Instead, annotations are stored in special-purpose annotate functions and evaluated only when ...
Scientists found that Earth's inner core may have deformed by 100m or more in height in the past 20 years. The change could be happening where the solid inner core touches the liquid outer core, affecting Earth's magnetic field.
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Mill uses Scala as its configuration language because it offers a balance between conciseness and verbosity, and its static typing provides better IDE integration, tooling, and safety compared to other languages. Mill also runs on the Java Virtual Machine, which provides dynamic classloading, a huge ecosystem of tools and libraries, and a well-designed publishing and artifact distribution ...
Safe Superintelligence, led by Ilya Sutskever, is raising $20 billion, 4 times its previous $5 billion valuation. The company has already raised $1 billion from investors like Sequoia Capital and Andreessen Horowitz.
Online schema changes in MySQL are problematic when dealing with foreign key relationships due to the inherent issue of altering tables that have child-side foreign keys. The complexity of coordinating multiple migrations and the risk of referential integrity corruption make it infeasible to handle foreign key constraints on large tables using online schema change tools.
Doctors are taking new obesity drugs like Wegovy and Zepbound, showing their effectiveness. Their use is similar to early adoption of statins, indicating promising results.
James Howells, a 39-year-old computer expert, is considering buying a council dump in south Wales to search for a £600m bitcoin fortune he believes is buried there. He lost a high court case to force the council to allow him to search the site, which is now set to be closed and capped.
Clark County: This analysis is of the official Cast Vote Record (CVR) data released by the Clark County Elections Department . It is a detailed document showing all the Mail-In, Early, and Election Day votes in the county.
Trunk-based development allows teams to work on the same codebase simultaneously, avoiding merge conflicts and streamlining integration. It uses feature flags to manage incomplete code, enabling faster, safer releases and promoting continuous integration and delivery.
Large subsonic aircraft, greater than 905 metric tons (1000 tons) gross weight, have the potential f o r hauling transoceanic cargo at rates in the range of $0.006 to $0.036 p e r metric ton-kilometer ( $0.01 to $O.OG/ton-n mi) at speeds of 740 to 925 kilometers per hour (400 to 500 knots). It theoretically would take a fleet of 500 such aircraft to handle 1 percent of the forecast world ...
Southern California Edison technicians noticed abnormal electrical system functioning near the origin of the Eaton fire. The incident adds to evidence linking the utility to the possible origin of the deadly fire that killed 17 people and destroyed over 9,400 homes.
President McKinley's policies, including tariffs and imperialism, influenced Trump's worldview, which prioritizes American dominance and corporate profits. Trump's actions, like McKinley's, aim to expand American markets and influence, but with a focus on raw materials and manufactured goods.
The half cent was the smallest US coin, minted from 1793 to 1857 with five designs. It was made of 100% copper and discontinued by the Coinage Act of 1857.
Stephen Ma, a 54-year-old Australian software engineer, co-founded Google Maps with three others in 2004. He has come out of anonymity to acknowledge his role in the platform's creation and recognize others whose contributions have been overlooked.
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A company prioritized cost over expertise, replacing experienced engineers with junior staff. This led to catastrophic decisions due to a lack of experienced review and oversight.
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Researchers developed DeepScaleR-1.5B-Preview, a reasoning model trained with reinforcement learning, outperforming OpenAI's o1-preview on multiple math benchmarks. The model achieved 43.1% Pass@1 accuracy on AIME 2024 with 1.5B parameters and 3,800 A100 GPU hours.
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The CIA sent an unclassified email to the White House with names and initials of new hires, risking a counterintelligence disaster. This move may have compromised the identities of young analysts and operatives focused on China, making them vulnerable to foreign intelligence services.
The WHOIS protocol is being replaced by the Registration Data Access Protocol (RDAP) to address its limitations. ICANN is transitioning WHOIS services to RDAP with contractual requirements and global awareness plans.
Unicode characters can be used to encode data by appending variation selectors, allowing for arbitrary data density. This technique can be used to watermark messages or encode data in a way that survives most copy/pastes.
Craftax is a JAX-based RL environment that reimplements Crafter with roguelike game mechanics and conforms to the gymnax interface. It provides options for auto-reset and optimistic resets, and can be run on CPU or GPU with JAX installation.
Surface crevassing on the Greenland Ice Sheet is a large source of uncertainty in processes controlling mass loss due to a lack of comprehensive observations of their location and evolution through time. Here we use high-resolution digital elevation models to map the three-dimensional volume of crevasse fields across the Greenland Ice Sheet in 2016 and 2021. We show that, between the two ...