Published: 2025-08-24 | Origin: /r/programming

Unicode is recommended for text fields in data structures or protocols, specifically using UTF-8 encoding. However, not all Unicode characters are suitable, prompting Paul Hoffman and the author to draft RFC 9839, which addresses "problematic characters." The RFC identifies characters that should be excluded and proposes three less problematic subsets for use. It provides important guidelines for software and networking professionals designing new systems with text fields. An example of a problematic character includes Unicode U+0000, which has no human-readable meaning

Published: 2025-08-24 | Origin: /r/programming

The content emphasizes the importance of user feedback, stating that all feedback is read and taken seriously. It also mentions an error that occurred while loading a page, prompting users to reload several times. Additionally, it provides instructions to download a Windows installer for IEMidi and highlights a method to verify its integrity using a provided Verify.bat file. Lastly, the work is licensed under GPL-2.0-only.

Published: 2025-08-24 | Origin: Hacker News

The speaker at the workshop aims to teach participants how to build a coding agent, emphasizing the importance of understanding the concept and workings of such agents rather than using the term loosely. The presentation stresses that learning to create a coding agent is crucial for personal development in 2025, allowing individuals to transition from AI consumers to AI producers capable of automation. The speaker shares insights on building an agent using LLM tokens and demonstrates live coding during the talk. The main message is that the ability to work concurrently with

Published: 2025-08-24 | Origin: Hacker News

The content describes a lightweight macOS status bar application designed for monitoring and managing development processes on ports 2000-6000. This app allows users to detect processes in real time and provides the ability to terminate individual or all processes at once. Users can hover over the app's status bar icon to see the number of detected processes. Currently, clicking any menu item will kill all processes for testing purposes. The app requires certain permissions for killing processes, and troubleshooting guidance is provided for detection and startup issues

Published: 2025-08-24 | Origin: Hacker News

The author evaluates several AI models by using 130 real prompts from their command line history, focusing on basic questions related to Rust, Python, and Linux, rather than complex reasoning tasks. They categorized the prompts with the help of models like Qwen3 235B and Gemini 2.5 Pro, then selected representative inquiries using GPT-OSS-120B and GLM 4.5. The evaluation was conducted using Open Router, which offers various models, favorable pricing, low latency, and

Published: 2025-08-24 | Origin: Hacker News

arXivLabs is a collaborative framework that enables users to develop and share innovative features on the arXiv website. It emphasizes values such as openness, community, excellence, and user data privacy. arXiv only partners with individuals and organizations that align with these principles. If you have a project idea that could benefit the arXiv community, you can learn more about collaborating through arXivLabs. Additionally, users can receive operational status updates via email or Slack.

Published: 2025-08-23 | Origin: Hacker News

The blog post discusses the oft-cited statistic that it takes an average of 23 minutes and 15 seconds to return to work after an interruption. The author attempted to verify this figure through research but found that it does not appear in the key paper usually referenced, "The Cost of Interrupted Work: More Speed and Stress." This study shows that tasks were completed faster with interruptions, but also resulted in increased stress, and does not specify the recovery time or mention the 23-minute figure. The

Published: 2025-08-23 | Origin: /r/programming

Of course! Please provide the content you'd like summarized, and I'll be happy to help.

Published: 2025-08-23 | Origin: Hacker News

The article discusses the growing importance of repurposing electric vehicle batteries as the industry expands. Various startups and automakers are exploring solutions, with Toyota developing a comprehensive system called the Sweep Energy Storage System. This system collects high-voltage batteries from both electric and hybrid vehicles and connects them to the power grid. It's currently being tested at Mazda's Hiroshima plant, which has its own solar and thermal power sources, making it an ideal testing ground. The Sweep system incorporates energy management technology to prioritize healthier batteries and

Published: 2025-08-23 | Origin: /r/programming

The content discusses concerns about SurrealDB, a newly popular database that claims to be a versatile tool. However, its marketing may overstate its capabilities, especially regarding data safety and durability. The author, while testing various new databases against established ones, uncovered issues with SurrealDB related to data corruption after power outages. This is notably alarming, as users typically expect databases to ensure data integrity once an operation is confirmed complete. The author found users reporting similar corruption issues on SurrealDB's Discord without

Published: 2025-08-23 | Origin: /r/programming

Rusticon is a mouse-driven SVG favicon editor designed for use in terminal environments, developed in Rust. It allows users to create and edit SVG images that function as website favicons, which can be either 8x8 or 16x16 pixels and utilize up to 256 colors. Pre-built binaries for each release are available, and users can install it via Cargo by invoking the command `rusticon`. Alternatively, if Rust is installed, users can build Rusticon from the source by cloning the

Published: 2025-08-23 | Origin: /r/programming

The content discusses modeling a system of interconnected bonds using the Verlet method. The system must adhere to Newton's laws and kinematic equations, with the Verlet method chosen for its ability to incorporate bond constraints easily. The force in question is specified as a gravitational force from a central red star. The approach includes plotting solutions based on varying initial conditions, particularly relating to the orbital velocity of stars. To visualize the system, calculations must be repeated for each frame. In one dimension, the relationship between unconstrained and

Published: 2025-08-23 | Origin: /r/programming

The author discusses recent advancements in a system called Harper, which has now improved its capacity for handling complex grammatical cases significantly, by approximately 500% to 1,000%. This enhancement does not slow down the system or increase its memory usage. The focus is on "expression rules," which make up the majority of the grammatical rules Harper can detect due to their speed and simplicity. However, the author has faced challenges with creating rules that address all cases due to the complexities and contradictions of the English language

Published: 2025-08-23 | Origin: Hacker News

The author discusses using a line scan camera to capture images of trains and other subjects, highlighting the complexities involved in processing these images. This camera operates with a single or dual column of pixels that scans quickly as a stationary camera captures a moving train, similar to a photo finish camera. The static background results in a unique striped appearance in the images, making line scan cameras ideal for train enthusiasts who want accurate models with minimal perspective distortion. The author uses an Alkeria Necta N4K2-

Published: 2025-08-23 | Origin: /r/programming

When multiple threads access shared data structures concurrently, race conditions may occur, leading to inconsistent or incorrect results if changes are overwritten. Traditionally, this issue is addressed by using locks (e.g., synchronized methods or ReentrantLock), but locks can lead to contention and performance bottlenecks in high-concurrency environments. Instead, Compare-And-Swap (CAS) serves as an alternative solution. CAS operates at the hardware level and allows threads to attempt updates without acquiring heavy locks. When using locks, one thread

Published: 2025-08-23 | Origin: /r/programming

The content describes SXO, a build tool for server-side JSX in JavaScript, powered by esbuild and Rust. It offers a fast, minimal architecture and is designed for building websites without relying on client frameworks like React. SXO features a clean directory-based router, hot replacement, and supports various file structures for components and pages. It allows for dynamic routing with parameterized directory names, and developers can manage middleware and handle requests in both development and production modes. Additionally, the tool provides guidance on

Published: 2025-08-23 | Origin: Hacker News

A recent study highlights the impact of light pollution on songbirds, indicating it disrupts their biological clocks and alters their singing patterns. Researchers analyzed over 60 million recorded birdsongs from more than 580 diurnal bird species. The study, published in the journal *Science*, found that in brightly lit areas like cities, birds sing an average of 50 minutes longer each day, starting 18 minutes earlier in the morning and ending 32 minutes later in the evening compared to birds in darker regions.

Published: 2025-08-23 | Origin: /r/programming

Redistributing Python programs as self-contained packages can be challenging for developers. While tools like PyInstaller and Nuitka exist, they have significant drawbacks: PyInstaller is cumbersome and requires trial-and-error, while Nuitka produces large binaries and takes time to compile. A newer solution, PyApp, uses a different approach by allowing developers to compile a Rust program that generates a self-contained binary for their Python project. This binary unpacks and executes the project without requiring Python on the end user's system. Unlike existing

Published: 2025-08-23 | Origin: /r/programming

A recent GitHub issue raised significant debate regarding whether to remove XSLT (Extensible Stylesheet Language Transformations) support from web browsers, leading to heated discussions and personal attacks before it was locked. XSLT is an XML language used for transforming document structures, commonly used for styling RSS and Atom feeds into HTML. While there have been ongoing discussions about the relevance of XSLT in web development, the initial proposal to remove it has ignited a counterproposal to update its support. The

Published: 2025-08-23 | Origin: /r/programming

The content discusses the increasing use of AI coding assistants among programmers, particularly in the context of Coinbase. CEO Brian Armstrong revealed in a podcast that he mandated all engineers at Coinbase to adopt AI tools like GitHub Copilot and Cursor after acquiring licenses for them. He was surprised by some engineers' predictions of slow adoption and emphasized the importance of onboarding with these tools. Armstrong hosted a meeting for those who had not set up their AI accounts, where some engineers provided valid reasons for their delay.