Published: 2024-10-02 | Origin: Hacker News

Dashi is a minimalist framework designed for Ruby developers, inspired by Streamlit, that simplifies the creation of data-driven and AI applications. It offers an intuitive syntax and pre-built components, allowing developers to focus on app functionality without the typical boilerplate code of web development. An example provided highlights a simple AI chatbot application built with Dashi, explaining key components such as loading the framework, initializing the app, setting titles, adding text, and integrating a chat interface for AI responses. When run, the

Published: 2024-10-02 | Origin: Hacker News

The author discusses their experience with NixOS, particularly its large default installation size, which can reach around 900MB even for minimal, headless configurations. They express a strong affinity for NixOS and emphasize its advantages in managing servers, including deterministic configuration management and the ability to deploy updates seamlessly. Despite their dedication, they aim to reduce the size of their NixOS installations for worker machines and microVMs, seeking to create lean systems that enhance security and efficiency. The author highlights their

Published: 2024-10-02 | Origin: Hacker News

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Published: 2024-10-01 | Origin: Hacker News

The text presents a historical inquiry into why the Soviet Union, despite its smaller population, weaker economy, and inefficient system, managed to maintain military and technological parity with the United States during the Cold War. This question mirrors the Needham Question regarding why Imperial China, despite its advantages, fell behind the West scientifically. The author reflects on the influx of skilled émigrés from the former Soviet Union to the US in the 1990s and 2000s, particularly in fields like chess and mathematics

Published: 2024-10-01 | Origin: /r/programming

The article discusses the idea that not all bad code is inherently detrimental. It emphasizes that unoptimized or poorly structured code may still effectively solve complex real-life problems, which often don't lend themselves to straightforward algorithms or well-defined inputs and outputs. The author draws a parallel between code optimization and cybersecurity, noting that just as no system can be 100% secure, no system can be perfectly optimized. Real-life scenarios require a nuanced understanding and often involve multiple variables, making perfect solutions unattainable. The author

Published: 2024-10-01 | Origin: Hacker News

CERN, the European Organization for Nuclear Research, handles large volumes of data generated from experiments at the Large Hadron Collider (LHC). The IT department's Storage and Data Management Group oversees data management, including long-term tape archival, distribution through the Worldwide LHC Computing Grid (WLCG), and providing secure access for over 30,000 users. This talk will cover CERN's open-source projects for storage, such as CERNBox and EOS, and highlight the unique challenges in data management faced

Published: 2024-10-01 | Origin: /r/programming

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Published: 2024-10-01 | Origin: /r/programming

The author reflects on their experience of driving in Ireland after 17 years of driving experience, highlighting the challenges of adapting to left-hand traffic (LHT) and how it relates to change management. They note the instinct to enter the passenger side instead of the driver's side and emphasize choosing an automatic car for ease. Key takeaways include implementing changes incrementally, consistently communicating reminders, and finding support from others who have successfully adapted to change. The experience illustrates that managing transitions effectively involves clear guidance and community support

Published: 2024-10-01 | Origin: Hacker News

In June 1992, the author's grandfather published an article in Technical Support magazine declaring the death of COBOL, referencing programming trends like fourth-generation programming languages (4GL). Despite this claim, COBOL has proven resilient, likened to a "Zombie" language that, while considered "dead," still exists in some form. The author humorously mentions that remnants of older languages, like Autocoder, may also persist despite being deemed dead. A significant factor in COBOL's longevity was the Y

Published: 2024-10-01 | Origin: /r/programming

The content outlines the use of cookies on the GOV.UK website, emphasizing the importance of essential cookies for functionality while also mentioning additional cookies that help analyze usage and improve services. Users can change their cookie settings at any time, regardless of their initial choice. It introduces the concept of "progressive enhancement" in website development, which prioritizes building robust pages that function with HTML first, followed by enhancements like CSS and JavaScript. All government services must adhere to this methodology to ensure they are high

Published: 2024-10-01 | Origin: Hacker News

The United Spinal Association focuses on empowering wheelchair users and individuals with spinal cord injuries or disabilities (SCI/D) to lead fulfilling lives. Its membership publication, New Mobility, provides valuable insights, product updates, and tips from wheelchair users twice a month. A featured story discusses Tanner Green, the chief engineer at Not a Wheelchair, who highlights the complications involved in the manufacturing process of wheelchairs, specifically relating to the aluminum plugs left behind after cutting. The automated cutting process is efficient, but the subsequent

Published: 2024-10-01 | Origin: /r/programming

The author discusses the ongoing efforts to integrate reflection, a significant language feature, into C++26, highlighting two key components: P2996, which focuses on the foundational aspects of reflection, and P3294, which addresses code generation. The author references a statement by Andrei Alexandrescu regarding the limited utility of introspection without code generation. They contrast C++'s current reliance on C macros for code generation—which are problematic due to their lack of hygiene and primitive nature—with Rust's robust

Published: 2024-10-01 | Origin: /r/programming

At the beginning of the year, the author explored how DOS managed the memory limitations of the x86 architecture's real mode through various tricks. A critical, unanswered question was about the different "models" offered by compilers of that era, such as Borland Turbo C++, which included options like tiny, small, medium, compact, large, and huge. The author seeks to decode the significance and implications of these options, particularly in light of modern 64-bit computing with abundant memory. To understand

Published: 2024-10-01 | Origin: /r/programming

Computer Enhance, primarily an educational platform, inadvertently stumbled upon a performance anomaly in Intel's Golden Cove microarchitecture while examining basic machine code during a tutorial on linking ASM files for microbenchmarking. This anomaly surfaced in simple code intended for educational purposes, highlighting how simplified instructions can reveal unexpected CPU behaviors. Despite the nature of the code being oversimplified and not designed for performance testing, it provided insights into hardware performance issues. The author discovered a hint about this anomaly through Intel's Architecture Day presentations after del

Published: 2024-10-01 | Origin: Hacker News

The text discusses the challenges encountered while developing an AI video interface capable of realistic human-like conversations, specifically targeting latency under 1 second. Users can interact with Hassaan's digital twin or a demo twin named Carter. The project aims to enable natural communication between humans and computers, positioning conversational video as a crucial interface for future interactions. Key challenges included achieving low latency, conversational awareness, and managing costs while scaling the technology to handle multiple concurrent conversations. The development team shifted from a focus on seconds to measuring

Published: 2024-10-01 | Origin: Hacker News

The video discusses the topic of sand, arguing against the common belief that the world is running out of it. The host, Grady, highlights the complexity and significance of sand, emphasizing its vital role in various aspects of life and engineering. He notes that many widely accepted "facts" about sand are actually incorrect and expresses his fascination with its science and engineering. The discussion is inspired by recent documentaries and literature, including "The Sand Wars" and Vince Beiser's "The World in a Grain,"

Published: 2024-10-01 | Origin: Hacker News

The author recounts their experience as a bookshop owner of a tweeting vending machine called Machine Supply, emphasizing the importance of wholesalers in the book industry. Wholesalers buy books from publishers and supply them to retailers, providing essential services like credit and return policies. The author discovered that Moleskine notebooks had ISBNs, allowing them to be ordered through their wholesaler and stocked in their vending machine, where they sold well. They reflect on the clever marketing strategy of Moleskine, which

Published: 2024-10-01 | Origin: /r/programming

The content discusses a Boulder Dash-inspired game created in x86_64 assembly for Linux, which operates without any libraries, relying solely on the Linux system call interface. The game requires installation of git-lfs to access its data files and needs nasm version 2.16.03 (not 2.15 due to a bug). Users must ensure they have permission to write to /dev/fb0 by adding their user to the video group. Before playing, users should switch to TTY mode

Published: 2024-10-01 | Origin: /r/programming

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Published: 2024-10-01 | Origin: /r/ruby

JRuby, a Ruby implementation for the JVM dating back to 2001, is set to release version 10 soon after the new year. This release will be fully compatible with Ruby 3.4.0 and support Rails 7.1 and later versions. Project co-leader Charles Oliver Nutter emphasizes this is the first JRuby version aligned with the latest Ruby updates. JRuby 10 will require Java 17 or Java 21, enabling access to modern JVM features, including virtual