Published: 2025-03-28 | Origin: /r/ruby

The content appears to be a fragmented binary representation, likely extracted from a PNG (Portable Network Graphics) image file. PNG files contain various sections including headers (IHDR) that define image characteristics like dimensions and color depth, followed by compressed image data (IDAT) that encodes the actual image pixels. The data may include specific color information, compression details, and possibly metadata related to the image. However, without additional context or for the intended visual representation, it's difficult to summarize the significance or purpose

Published: 2025-03-28 | Origin: Hacker News

The author has been developing a programming language implementation called Xee, which stands for "XML Execution Engine," using Rust. Xee supports modern versions of XPath (an XML query language) and XSLT (a language for transforming XML documents). Although XML may not interest everyone, the author believes Xee can enhance the future of XML technologies. Key features of Xee include a command-line tool for executing XPath queries and a Rust library for integrating XPath queries within Rust applications. In 2023

Published: 2025-03-28 | Origin: /r/programming

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Published: 2025-03-28 | Origin: /r/programming

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Published: 2025-03-28 | Origin: /r/programming

Ricardo expresses a long-held interest in exploring unconventional projects with consoles, specifically the PlayStation 2 (PS2). He aims to run code on the PS2, a task typically associated with lower-level programming languages, but is intrigued by the possibility of using Go, a more modern and user-friendly language. Despite finding limited resources online for this endeavor, he decides to undertake the challenge himself. The author notes that the information and experimentation shared in his post come from prior research and may contain some inconsist

Published: 2025-03-28 | Origin: Hacker News

The project is an ongoing decompilation and port of the GameBoy Advance game Sonic Advance 2, written in C. It is currently a work in progress, and the team is actively developing it. Users can find detailed documentation and all available qualifiers for the project. The development includes building various ROMs, and the team encourages community involvement through Discord. Key contributors include JaceCear for his work on the graphics engine, @froggestspirit for initiating the project, @normm

Published: 2025-03-28 | Origin: /r/ruby

A software engineer, along with Brandon Weaver, has announced the development of a second edition of "Eloquent Ruby" to be published by The Pragmatic Programmers. The new edition aims to maintain the original structure while updating the content to reflect the current usage of Ruby. They emphasize the importance of taking time to do the project correctly, indicating it will take several months. The announcement has generated positive reactions from the community, with expressions of excitement and support for the book's release.

Published: 2025-03-28 | Origin: Hacker News

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Published: 2025-03-28 | Origin: Hacker News

The author has spent a year developing an autorouter for tscircuit, an open-source electronics CAD kernel in Typescript, and reflects on 13 key insights they wish they had known from the beginning. They highly praise the A* algorithm, suggesting it should be renamed "Fundamental Algorithm" due to its versatility and effectiveness in informed search compared to Breadth-First Search (BFS). A* prioritizes exploring nodes closer to the goal, leading to faster and more intuitive results. The author

Published: 2025-03-28 | Origin: Hacker News

On March 22, 2025, Arctic sea ice extent reached its annual maximum at 14.33 million square kilometers, marking the lowest maximum recorded in the past 47 years, surpassing previous low records from 2015, 2016, 2017, and 2018. This maximum is 1.31 million square kilometers below the average maximum for 1981-2010 and 80,000 square kilometers lower than the previous record low from March 2017

Published: 2025-03-28 | Origin: Hacker News

In the early days of USB, Microsoft mice came with a USB plug and a green adapter that converted this USB type-A plug to a PS/2 plug. This adapter was purely mechanical and did not contain any circuitry, meaning it only connected different pin sets without converting signals. The mouse itself detected whether it was receiving USB or PS/2 signals and adjusted its behavior accordingly. This functioning is similar to basic electrical outlet adapters that connect different plug types, with the intelligence residing in the device rather than the

Published: 2025-03-27 | Origin: Hacker News

Researchers are re-evaluating the ancient organism Prototaxites, which was previously thought to be a type of fungus, suggesting it may actually represent a previously unknown branch of life. Prototaxites lived during the Devonian period, around 420 to 375 million years ago, and could grow up to 26 feet tall. Initially discovered in 1843, its classification has remained uncertain—alternating between being considered a plant, fungus, or algae. A 2007 chemical analysis

Published: 2025-03-27 | Origin: Hacker News

The content discusses the evolution of Apple's Mac OS, highlighting the launch of Leopard with its 300 new features and the subsequent release of Snow Leopard, which focused on refining existing elements and improving system performance rather than adding new features. Snow Leopard is praised as one of Apple's best operating systems for its stability and ability to streamline the system. The author notes that the tradition of releasing significant updates without major new features was unusual but effective, marking a high point for the Mac platform. In contrast, modern Apple releases

Published: 2025-03-27 | Origin: /r/ruby

The content discusses a lightweight gem designed for Ruby and Rails projects that simplifies the installation and configuration of a specific Chrome version and its corresponding Chromedriver for testing using Selenium/Capybara. It addresses issues associated with manual management of Chrome and Chromedriver by allowing users to easily set up a specific version for consistent testing in both local and CI environments. The gem automatically registers a `:chrome_for_testing` Capybara driver and offers options to specify versions and switch to a non-headless browser for

Published: 2025-03-27 | Origin: Hacker News

The em dash (—) can be used similarly to commas, colons, or parentheses to set off additional information or introduce explanations. For example, in a narrative about Mabel the Cat and Harry the Dog, em dashes highlight their differing opinions on a new bakery's offerings. Mabel appreciates the variety of pastries, while Harry is disappointed by the absence of cheese Danishes. The bakery’s operational hours and diverse selection of baked goods, including croissants and a wide array of cookies, are

Published: 2025-03-27 | Origin: Hacker News

The author reflects on their fascination with a DIY Perks video about creating artificial sunlight using a large LED and parabolic reflector. Inspired, they embarked on a similar project but aimed for a more compact design. Instead of a bulky reflector, they opted for a grid array of lenses and multiple LEDs—one for each lens. This design approach had the potential for greater efficiency and was a learning experience in manufacturing and 3D design, shifting from their background in software. The author successfully completed their first version

Published: 2025-03-27 | Origin: /r/programming

The post discusses the importance of reducing exploitable errors in C programming by emphasizing the concept of "parsing, not validating." It argues that instead of validating inputs, such as an email address, at various deep levels of the system, developers should focus on handling untrusted inputs more safely at the boundaries. This approach minimizes the risk of inconsistent validation across different functions, which could lead to security vulnerabilities. The author highlights that while C has type safety features, they are not as strict as in other languages

Published: 2025-03-27 | Origin: /r/programming

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Published: 2025-03-27 | Origin: /r/programming

Engineers require fast feedback for efficient software development, particularly in large Python projects where traditional hot-reloading methods can become slow. This slowness often arises because the entire Python server restarts when only one module changes. Popular hot-reloading tools like Django's runserver and gunicorn can lead to delays of up to a minute. To combat this, building a dependency map can facilitate hot module replacement (HMR), allowing for near-instantaneous feedback. A dependency map, implemented as a flat

Published: 2025-03-27 | Origin: /r/programming

The content discusses the development of "Scour," a personalized content feed designed to filter through various noisy sources like Hacker News, subreddits, and blogs to deliver quality content efficiently. Scour is built in Rust and is recommended for others developing in the same language. The author has adopted a specific stack known as the "mash 🥔 stack," which includes Maud, Axum, SQLx, and HTMX, praised for its speed and ease of use. The decision to use