Published: 2025-02-12 | Origin: Hacker News

The author has been learning Jujutsu (jj), a version control system compatible with git, and has found it more intuitive than git after years of use. To aid in the learning process, they created a reference and cheat sheet for jj with a friend's help. While several tutorials exist, the cheat sheet is unique in that it fits on a single page, allowing for easy printing and use while learning. The author recommends starting with tutorials, such as those by Steve Klabnik and Kuba Martin,

Published: 2025-02-11 | Origin: /r/programming

The tech industry is currently undervaluing programmers, viewing them as outdated in favor of AI solutions. Companies believe that replacing human engineers with AI will be a smart move, but history shows that such decisions often lead to severe issues, including lawsuits and product failures, prompting a rapid need to rehire engineers. The article warns that by neglecting to invest in junior developers and relying on AI to generate code, the next generation of programmers will lack essential skills, such as understanding complex algorithms and debugging. This

Published: 2025-02-11 | Origin: /r/ruby

The JRuby community has released JRuby 9.4.12.0, which is designed for compatibility with Ruby 3.1. They express gratitude to the contributors who support the ongoing development of JRuby.

Published: 2025-02-11 | Origin: Hacker News

The article discusses the author's journey in developing a new in-car climate control system, moving away from complex touch screens towards simpler, physical controls. The initial frustration with car manufacturers' reliance on touch interfaces led the author to create a rotary dial equipped with dynamic haptic feedback. This dial serves as a means to automate temperature, airflow, and humidity adjustments in a vehicle, allowing passengers to remain comfortable with minimal interactions. The design focuses on optimizing thermal comfort by incorporating automation to control fan speed and temperature,

Published: 2025-02-11 | Origin: /r/programming

The author reflects on the evolution of web development from manual server access to adopting Continuous Integration and Continuous Deployment (CI/CD) practices, emphasizing the importance of automated tests. They discuss the advantages of using strongly-typed languages and static analysis tools, highlighting how type systems can serve as contracts within a program, helping to identify errors early in the development process. The concept of "type safety" is presented as a way to catch bugs early, ideally before saving any changes, leading to more reliable code across all

Published: 2025-02-11 | Origin: /r/ruby

Recently, an update to the version manager asdf, which was rewritten in GoLang, caused issues with installations on macOS, Linux, and WSL. Asdf allows users to manage multiple programming language versions, such as Python and Ruby, and serves as an alternative to tools like rvm. After the update, the author encountered problems with their Ruby interpreter, which defaulted to the macOS version instead of the asdf-managed version. They typically perform updates cautiously, specifically during routine maintenance.

Published: 2025-02-11 | Origin: /r/programming

Denis Kranjcec discusses the implementation of pair programming within a diverse development team, aimed at enhancing efficiency and independence in creating new features. After two years of practice, the team reports significant benefits, building on their previous positive experiences with collaborative troubleshooting. Though pair programming has been established since the 1990s, modern technologies have expanded its possibilities beyond shared physical spaces. Kranjcec was intrigued by the concept but had no prior experience before its introduction in his team. Despite concerns that pair

Published: 2025-02-11 | Origin: Hacker News

After seven years of building mobile apps, the authors recognized the challenges of app development compared to websites, particularly when using React Native. To address these issues, they created a platform featuring an AI app generator that quickly creates custom React Native apps based on user prompts, complete with an instant live preview. They showcased this capability with a demo that reconstructed the Hacker News UI. Their platform, a0.dev, is designed for rapid prototyping, allowing users to generate both functional screens and games. It includes models

Published: 2025-02-11 | Origin: /r/ruby

The content discusses issues related to Google Signed Exchanges (SXG) and CORS errors arising from missing subresources in the SXG cache. It emphasizes the importance of understanding the fundamentals covered in earlier posts for effectively adapting websites to be SXG-compatible. The author aims to address the lack of documentation on SXG subresource prefetching challenges and provide guidance on observing the impact of changes made, considering caching complexities from various layers (like Cloudflare, Google SXG cache, and browser cache). To

Published: 2025-02-11 | Origin: /r/programming

In the previous post, the author expressed frustration with the lack of exnref support in WebAssembly runtimes, which hindered the usability of zeroperl. Instead of merely complaining, the author took the initiative to implement a solution. To maintain compatibility across different WebAssembly runtimes, the author chose to create a custom implementation of setjmp/longjmp, rather than using the libsetjmp from the WASI SDK. They utilized Binaryen's Asyncify feature to build this implementation. The

Published: 2025-02-11 | Origin: Hacker News

The author discusses the discovery of "mouse tape," a product designed to protect car wires from rodent damage by making them unappealing to gnaw on. Developed by Honda, the tape is coated in capsaicin, making it spicy. Intrigued, the author orders the tape, feeling compelled to use a recent $50 Venmo donation for the purchase. Upon receiving it, the author has second thoughts about the implications of the tape's design, which features mice with an "X"

Published: 2025-02-11 | Origin: Hacker News

The content provides an overview of Backblaze's blog, which covers various topics such as cloud storage, backup strategies, insights on Backblaze products, and technical explorations aimed at developers. It also includes personal anecdotes about start-ups and humor related to the workplace. A specific update from February 11, 2025, highlights that, as of December 31, 2024, Backblaze was managing 305,180 drives, with 301,120 being data drives. The

Published: 2025-02-11 | Origin: /r/programming

The content discusses a project that features an open-source, educational implementation of a parallel processor modeled after a SIMT GPU using SystemVerilog. It references an RV32I-inspired instruction set architecture (ISA) and emphasizes the project's goal to introduce modern GPU architecture concepts. The project builds on the framework provided by tiny-gpu but enhances it with a more advanced ISA, support for multiple warps per core, and branching capabilities. Readers are encouraged to understand GPU fundamentals through a preliminary study of tiny-gpu

Published: 2025-02-11 | Origin: /r/programming

Microsoft has released an update for Visual Studio Code (VS Code) to version 1.97, introducing GitHub Copilot as an "out-of-the-box experience" and previewing a new WebGPU rendering feature. This substantial release is notable as it breaks the typical monthly cycle due to the holiday season. The inclusion of a free Copilot plan means updates will now be tracked as part of the main product, though the free plan has limitations of 2,000 code completions and 50

Published: 2025-02-11 | Origin: Hacker News

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Published: 2025-02-11 | Origin: Hacker News

This is a beginner's guide for creating a hand-crafted personal or hobby website using HTML and CSS. It does not provide a complete tutorial but offers foundational steps for building your first webpage. Key points include the need for a plain text or code editor, with options like VSCodium or Visual Studio Code. Users are advised to create a designated folder for their website files, preferably a "Websites" folder with subfolders for each site. The first file to create should be named "index.html

Published: 2025-02-11 | Origin: Hacker News

The blog post, authored by Alex Suraci, discusses the recent launch of Dagger Cloud v3, which features a new user interface developed in WebAssembly (WASM) using Go, diverging from its predecessor (v2), which was built in React. The post outlines the reasons for choosing WebAssembly, challenges faced during implementation, and their resolutions. Dagger's functionality revolves around constructing and evaluating a Directed Acyclic Graph (DAG) of operations, which presents challenges in real-time

Published: 2025-02-11 | Origin: Hacker News

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Published: 2025-02-11 | Origin: Hacker News

The author reflects on their experiences with MUDs (Multi-User Dungeons), text-based multiplayer games popular in high school. They enjoyed the accessibility of these games, which could be played on various machines via Telnet without graphics, allowing easy concealment from teachers. As their interest shifted from playing to building MUDs, they found excitement in creating game environments and characters through in-game commands, despite the challenges posed by limited tools and a clumsy interface. Many of their projects were ultimately abandoned

Published: 2025-02-11 | Origin: Hacker News

The author introduces an upgrade to their computer hardware orchestra, now called Floppotron 3.0, which boasts 512 floppy disk drives, 4 scanners, and 16 hard disk drives. The update includes a designated studio space and a complex system of cables and custom electronic circuits, with the firmware completely rewritten. The article aims to explain how the system operates and is constructed, while also addressing common questions. The Floppotron works by converting the noise generated by mechanical devices (such as motors