Published: 2025-07-04 | Origin: Hacker News

The author reflects on how computer use became less enjoyable over time, particularly focusing on the constraints imposed by systems like PayPal. In the 2000s, PayPal was the primary way to move money online in the U.S., but it operated with significant restrictions, often locking accounts and holding funds without clear recourse for users. This created frustration, especially for small businesses and individuals wanting to operate freely. The introduction of Bitcoin around 2010 appeared to offer a revolutionary alternative by allowing direct money

Published: 2025-07-04 | Origin: Hacker News

The content highlights the importance of user feedback and provides instructions for accessing documentation and creating a GitHub account for further inquiries. It mentions an error loading the page and outlines significant updates to the std.io library, which involves deprecating existing readers and writers in favor of new, non-generic versions (std.io.Reader and std.io.Writer). These updates aim to enhance optimization while introducing breaking changes, particularly affecting formatted printing. Users can utilize the `adaptToNewApi()` function to transition from old streams

Published: 2025-07-03 | Origin: /r/programming

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Published: 2025-07-03 | Origin: Hacker News

The "Wind Knitting Factory" is an innovative knitting machine powered by wind, installed on the facade of a building. It features large blades that capture wind, allowing the machine to knit a long scarf that extends downward from the building. The speed of knitting varies with wind conditions, increasing in windy weather and slowing down when there is less wind. The content also includes a list of related projects, demonstrating a focus on wind-powered designs and sustainability.

Published: 2025-07-03 | Origin: Hacker News

K-Scale was founded to create an affordable humanoid robot, aiming to reduce costs from over $50k to about $10k using Commercial Off-the-Shelf components. The first prototype was developed quickly using 3D printing and purchased parts, resulting in a functional but limited robot demonstrated by YC Demo Day. K-Scale is focused on transitioning from hobby-grade to consumer-grade robots without significantly increasing the Bill of Materials (BOM) costs or establishing their own factories. Challenges include reliance on Chinese

Published: 2025-07-03 | Origin: Hacker News

The article discusses Netflix's advancements in video streaming technology, specifically the introduction of AV1 Film Grain Synthesis (FGS) streams. Film grain, which adds authenticity and nostalgia to classic films, is challenging to compress due to its random nature, often leading traditional algorithms to compromise either on preserving grain or reducing file size. With the rollout of FGS, Netflix aims to enhance the streaming experience by maintaining the artistic integrity of film grain while optimizing data efficiency. The discussion highlights the importance of this technology in

Published: 2025-07-03 | Origin: /r/programming

The author worked on a team that developed an e-referrals application used in Australia to streamline the process of referring patients from general practitioners (GPs) to secondary health services, such as hospitals or specialists. Traditionally, referrals were sent via fax, which often resulted in rejections due to incomplete information. The e-referrals system enhances this process by automatically extracting relevant patient information from the existing patient management software (PMS) and providing a structured referral form with specific fields and prompts. This ensures that all

Published: 2025-07-03 | Origin: /r/programming

Collin Richards has been working on porting the tmux terminal multiplexer from C to Rust for about six months, achieving a significant milestone: the codebase is now entirely written in (unsafe) Rust. The original C code, approximately 67,000 lines, has expanded to about 81,000 lines in Rust, excluding comments and empty lines. Richards began this project mainly as a hobby and a way to experiment with C2Rust, a C to Rust transpiler. Although the transp

Published: 2025-07-03 | Origin: Hacker News

Kevin Kelly is a multifaceted creative and thinker, known for his diverse contributions rather than a singular breakthrough. He was an early editor of the Whole Earth Catalog, a co-founder of WELL, and helped launch WIRED magazine. Over the years, he has authored numerous books and essays on a wide range of topics including art, creativity, and AI. Additionally, he has unique experiences, such as serving as a futurist advisor for the film Minority Report and inspiring elements of the show Futurama.

Published: 2025-07-03 | Origin: /r/programming

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Published: 2025-07-03 | Origin: /r/programming

The content discusses various technical topics related to Jane Street, focusing on their internship program and experiences with debugging a complex issue in a system called Gord, which handles trading activity data. The key problem involved sporadic permission errors (-EACCES) during large file copies, despite correct filesystem permissions. The post highlights the NFSv3 protocol's inherent lack of security on untrusted networks and the alternative of using Kerberos for authentication. A notable insight was that disabling Kerberos in the development environment eliminated the

Published: 2025-07-03 | Origin: /r/programming

The content discusses the high-severity local privilege escalation vulnerability (CVE-2025-49144) discovered in Notepad++ versions 8.8.1 and earlier. This vulnerability allows local attackers to gain SYSTEM-level privileges by exploiting an uncontrolled executable search path during installation. It explains that the Notepad++ installer incorrectly calls regsvr32.exe without a full path, leading Windows to search for the executable in various directories, allowing a malicious regsvr32.exe to take precedence if placed

Published: 2025-07-03 | Origin: /r/programming

The content discusses the experiences of teams at various companies that have transitioned to using the Rust programming language, targeting technical decision-makers who are interested in understanding the motivations behind adopting Rust. The article outlines several case studies showcasing both small and large companies, emphasizing the benefits and challenges encountered during their migration. Key points include: 1. **Performance Improvements**: In one case, after switching from Kotlin to Rust, a system's transactions per second (TPS) drastically improved from 6,000 TPS to

Published: 2025-07-03 | Origin: /r/programming

Amazon S3 processes an immense volume of requests, handling hundreds of millions per second and moving data at several hundred terabits per second. It serves as a crucial foundation for various applications, storing everything from media to analytics logs and enabling scalable, durable storage globally. Currently, S3 accommodates around 400 trillion objects across 31 regions and 99 availability zones, ensuring impressive availability and an unmatched durability rate of 99.999999999%. Data is meticulously replicated across multiple facilities to maintain service continuity

Published: 2025-07-03 | Origin: Hacker News

"Baba is You" is a sokoban puzzle game where players manipulate the rules to solve increasingly complex levels, making it a challenging reasoning benchmark. It is turn-based, allowing for a metric of efficiency based on the number of moves required to complete each level. Although similar to the upcoming ARC-AGI-3 benchmark set for 2026, the availability of solutions online poses a challenge for its use as a serious benchmark. However, numerous player-created levels without published solutions provide an alternative. In

Published: 2025-07-03 | Origin: /r/programming

Bloom filters are a type of probabilistic data structure that significantly reduce memory usage—by up to 90%—while allowing for instant checks of data existence within a set. They work by combining hash functions and bit arrays to provide quick answers to whether an element is definitely absent from the set or possibly present, accepting that sometimes they may incorrectly indicate that an element is present (a false positive). This makes Bloom filters particularly useful in scenarios where it is crucial to avoid false negatives. Although they aren't commonly

Published: 2025-07-03 | Origin: /r/ruby

Ruby 3.4 introduces Happy Eyeballs Version 2, which addresses the issue of long timeouts in Rails apps when making API calls to payment gateways. Traditionally, if a server's IPv6 is misconfigured, the app would wait 30 seconds for a timeout before attempting to connect over IPv4. Happy Eyeballs v2 changes this by allowing the app to try IPv6 and IPv4 simultaneously, reducing the wait to just 250ms if the IPv6 connection fails. This

Published: 2025-07-03 | Origin: Hacker News

The content provides a form for accessing any MPEC (Minor Planet Electronic Circular) by entering an MPEC number.

Published: 2025-07-03 | Origin: Hacker News

The Trans-Taiga Road is a remote 666 km gravel road in Canada, extending east from the James Bay Road to access dams along the La Grande River. It features no settlements except for Hydro Quebec work camps, making it the farthest point from a town on a public road in North America. The road is notably rougher from Brisay to Caniapiscau, and while four-wheel drive is recommended due to large rocks, some have driven it in regular cars with caution. Travelers should

Published: 2025-07-03 | Origin: Hacker News

The article discusses the genetic analysis of an adult male Egyptian from Nuwayrat, dated to 2855–2570 BCE, who lived during the Early Dynastic to Old Kingdom periods. This individual was buried in a ceramic pot, which may have aided DNA preservation. Genome sequencing revealed that his ancestry is primarily from North African Neolithic origins, but about 20% is linked to the eastern Fertile Crescent, including Mesopotamia. This genetic connection suggests that interactions between Egypt and the eastern Fert