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How Computers Work: Explained from First Principles

Published: 2026-02-02 | Origin: /r/programming

The author of the blog plans to learn low-level systems programming, specifically with the goal of developing an operating system, a dream they've had since college. Having gained more time outside of work, they recently explored how computers operate, focusing on the fundamentals of computer architecture with resources like Nand2Tetris. The post aims to present a simplified understanding of how computers work, particularly for those interested in low-level languages. Key points include the definition of a bit as the smallest unit in computing, representing

Apple's MacBook Pro DFU port documentation is wrong

Published: 2026-02-02 | Origin: Hacker News

The Apple support document specifies the DFU (Device Firmware Update) port location for MacBook Pro models with Apple silicon: for the 14-inch MacBook Pro with M4 or M5 chips, it's the rightmost USB-C port when facing the left side of the Mac; for other models, it's the leftmost port. However, the author found that for their 16-inch MacBook Pro with an M4 Pro chip, the DFU port is actually the right-side USB-C port.

Notepad++ hijacked by state-sponsored actors

Published: 2026-02-02 | Origin: Hacker News

The summary of the content is as follows: On February 2, 2026, it was reported that following a security incident disclosed with the release of Notepad++ version 8.8.9, investigations revealed that the attack was due to a compromise at the infrastructure level by a malicious actor believed to be a Chinese state-sponsored group. This compromise allowed them to intercept and redirect update traffic meant for Notepad++'s official website. The vulnerabilities were not in Notepad++ itself but related

Actors: A Model of Concurrent Computation [pdf] (1985)

Published: 2026-02-02 | Origin: Hacker News

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What schema validation misses: tracking response structure drift in MCP servers

Published: 2026-02-02 | Origin: /r/programming

The content describes an open-source testing tool designed for Model Context Protocol (MCP) servers, which helps detect breaking schema changes before they impact production environments. This tool enables users to validate schemas deterministically and offers optional LLM-powered behavioral exploration, making it compatible with CI/CD processes, including GitHub Actions. MCP is crucial for AI assistants like Claude to interact with external tools via JSON schemas, and changes to these schemas can silently disrupt AI workflows. The tool allows users to simply check for changes without

To Every Developer Close To Burnout, Read This · theSeniorDev

Published: 2026-02-02 | Origin: /r/programming

The content discusses burnout among software developers, noting that it is a widespread issue affecting an estimated 80% of programmers. Symptoms include exhaustion, lack of motivation, and a disconnection from their passion for coding. Burnout can have serious repercussions on both career and health, leading to risks like depression and diabetes, and may even result in developers leaving the field. The article highlights that many resources fail to address burnout, instead complicating the situation by introducing new frameworks and libraries to learn. The author shares

Show HN: Wikipedia as a doomscrollable social media feed

Published: 2026-02-02 | Origin: Hacker News

Xikipedia is a demo pseudo social media feed that curates content from Simple Wikipedia using a basic algorithm that learns from user engagement without collecting or sharing data. The algorithm operates locally, and all data is lost upon refreshing or closing the tab. Users can choose categories or add their own to start. Since the feed may display random content, including NSFW material, it is intended for adult users only. The source code is available on GitHub, and discussions can take place on various platforms like Fediverse

`jsongrep` – Query JSON using regular expressions over paths, compiled to DFAs

Published: 2026-02-02 | Origin: /r/programming

The content describes jsongrep, a command-line tool and Rust library designed for querying JSON documents using a JSONPath-inspired query language that employs regular path expressions. Unlike imperative tools like jq, jsongrep allows users to declare paths to match in JSON trees, which are structured with objects and arrays. The tool compiles queries into a deterministic finite automaton (DFA) for efficient execution. Users can create complex, nested queries using regular expression syntax, and the tool supports future enhancements for pattern matching

32-year-old programmer in China allegedly dies from overwork, added to work group chat even while in hospital

Published: 2026-02-01 | Origin: /r/programming

Gao Guanghui, a 32-year-old Chinese programmer, died in a hospital after fainting while working from home late last year. His family believes he died of cardiac arrest due to overwork, as he had been working long hours and managing additional tasks since his promotion to department manager. On November 29, Gao mentioned feeling unwell but continued to work, ultimately fainting and passing away despite medical efforts. His family reported that he received messages from colleagues while in critical condition, indicating pressure

Show HN: NanoClaw – “Clawdbot” in 500 lines of TS with Apple container isolation

Published: 2026-02-01 | Origin: Hacker News

The content emphasizes the importance of user feedback and highlights the customizability and security features of a personal assistant named Claude. It contrasts Claude with another project called OpenClaw, which is described as complex and difficult to understand due to its numerous modules and dependencies. In contrast, NanoClaw, a lighter version of Claude, offers the same core functionality in a much simpler codebase that can be comprehended quickly. It operates securely in Linux containers, ensuring isolation and safety when executing commands. The assistant

The maturity gap in ML pipeline infrastructure

Published: 2026-02-01 | Origin: /r/programming

In 2026, while machine learning (ML) capabilities have advanced significantly, the infrastructure and tooling for creating secure ML pipelines remain inadequate. Unlike the early days of SQL programming, where security measures like injection protection were established, ML Ops engineers now face numerous vulnerabilities due to a lack of mature security practices. Default ML pipeline tooling does not provide sufficient security against various attacks, including data poisoning and model laundering, which leaves organizations exposed. Despite some emerging mitigations for these unique threats, many vulnerabilities stem from

Semantic Compression — why modeling “real-world objects” in OOP often fails

Published: 2026-02-01 | Origin: /r/programming

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Defeating a 40-year-old copy protection dongle

Published: 2026-02-01 | Origin: Hacker News

Dmitry Brant discusses his experience with a legacy software package built in RPG (Report Program Generator), which is older than COBOL. He was helping a friend's accounting firm transition from this outdated software, which was being run on a Windows 98 computer in 2026, utilizing a DOS console. The software required a special hardware copy-protection dongle connected to the computer's parallel port for operation. Despite the dongle's markings being worn, Brant planned to create a disk image of

My thousand dollar iPhone can't do math

Published: 2026-02-01 | Origin: Hacker News

The author is experiencing issues with their iPhone 16 Pro Max while running MLX LLMs, which produce inaccurate output, in contrast to the iPhone 15 Pro and MacBook Pro that handle the same code correctly. They suspect a hardware defect in the Neural Engine affecting machine learning functions. In addition to troubleshooting this problem, the author has been working on a personal project, Schmidt, a Clawdbot Moltbot clone with a custom chat UI, and sought a simpler task to

Using Robots to Generate Puzzles for Humans

Published: 2026-02-01 | Origin: /r/programming

A developer created a logic-based solver and generator for Japanese arrow puzzles, which can be accessed at yazudo.app. Inspired by Knuth’s TAOCP, Volume 4B, the developer explored these puzzles, which were first published in Japanese magazines in the 1990s. The puzzles consist of a grid where each cell contains an arrow pointing in various directions, and some arrows have initial numerical clues. The objective is to fill in the arrows with numbers representing the count of distinct numbers in the

Researchers Find Thousands of OpenClaw Instances Exposed to the Internet

Published: 2026-02-01 | Origin: /r/programming

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Linux's b4 kernel development tool now dog-feeding its AI agent code review helper

Published: 2026-02-01 | Origin: /r/programming

Michael Larabel is the founder and principal author of Phoronix.com, established in 2004 to enhance the Linux hardware experience. He has authored over 20,000 articles on Linux hardware support, performance, and graphics drivers. Additionally, he leads the development of the Phoronix Test Suite and other benchmarking tools. Phoronix Premium offers an ad-free experience and additional features, while supporting the site's operations through subscriptions, tips, or donations. The site's mission and contributions continue to focus on

Apple I Advertisement (1976)

Published: 2026-02-01 | Origin: Hacker News

The content discusses the Apple Computer, highlighting its innovative design as a complete microcomputer system on a single PC board, utilizing the MOS Technology 6502 microprocessor. It features built-in video capabilities and supports up to 8K bytes of RAM. The system's integration of components reduces complexity and costs while enhancing reliability. The Apple Computer is fully assembled and easy to set up, priced at $666.66, and is suitable for various tasks, including programming and gaming. Additionally, it eliminates the

Adventure Game Studio: OSS software for creating adventure games

Published: 2026-02-01 | Origin: Hacker News

Adventure Game Studio (AGS) is an open-source software designed for creating graphical point-and-click adventure games. It is free, standalone, and does not require a subscription. The Windows-based integrated development environment (IDE) facilitates game creation by combining tools for graphics import, scripting, and testing. Games developed with AGS can be played on various platforms, including Linux, iOS, and Android. AGS is user-friendly for all skill levels and has an active community for support and social interaction. Users

Contracts in Nix

Published: 2026-02-01 | Origin: Hacker News

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