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Accessible open textbooks in math-heavy disciplines

Published: 2025-03-29 | Origin: Hacker News

LaTeX is the preferred authoring platform in mathematics, physics, and computer science due to its high-quality typesetting capabilities, especially for formulas and diagrams. However, it primarily produces PDF output, which is not accessible, lacks scalability for devices like tablets and smartphones, and does not provide semantic information, making it challenging for users who need alternative formats (e.g., audio, Braille) or different display options. A better solution is to provide content in HTML, which is more accessible and compatible

Cracks in Containerized Development

Published: 2025-03-29 | Origin: /r/programming

The article discusses the author's journey with using an immutable Linux distribution, initially planned as a critique but evolving into a more extensive exploration. After purchasing a new laptop that required a stable operating system for college, the author chose Fedora Silverblue, known for its unbreakable nature. This distribution is part of a category of "Atomic" Linux systems, which are designed to be immutable and manage updates through a version control-like mechanism called rpm-ostree. Applications are typically run as Flatpaks, ensuring

The Apple Computing Stack - Discussing XNU, Mach-O, Rosetta, Cocoa, Swift and other Apple Technologies

Published: 2025-03-29 | Origin: /r/programming

The author shares their experience transitioning from Windows/Android to using a Mac Mini with an M4 chip, sparked by an interest in iOS app development. After seven years in Android development, they began researching Apple's operating systems, compiling their findings into a glossary-like article. They note that Darwin is the core of Apple's OS (including iOS and macOS) and is based on the XNU kernel, which is a micro-kernel derived from NeXTSTEP and BSD systems, similar to how Android

The manager I hated and the lesson he taught me

Published: 2025-03-29 | Origin: /r/programming

The author, a Software Engineer, recounts a challenging experience during a code review where their complex feature was criticized as "over-engineered" and required refactoring without any positive feedback. The lead, known for his straightforward and no-nonsense approach, emphasized the importance of clean, maintainable, and efficient code, rejecting anything that lacked substance. Initially viewed as a harsh manager who made engineers miserable, the author began to recognize the value in this strict feedback style, especially after a revealing sprint review where

Check out Genuine Captcha – a lightweight, open-source CAPTCHA built for developers who care about privacy and zero tracking.

Published: 2025-03-29 | Origin: /r/programming

The content discusses a CAPTCHA API designed to provide a privacy-friendly, secure web human verification method that complies with GDPR regulations, ensuring no personal information is logged, including IP addresses. Users can find more details in the still-to-be-defined documentation and access the API at a provided demo link. To utilize the API, users can generate a CAPTCHA through a specific GET request, which yields a JSON containing a Base64 encoded CAPTCHA image and an encoded secret. To verify the CAPTCHA, users send another GET request

The future of Scala: Pioneering features are now commonplace so what comes next? • DEVCLASS

Published: 2025-03-29 | Origin: /r/programming

Martin Odersky, the creator of Scala, and Li Haoyi, a key maintainer, have discussed the future of Scala in a bid to keep it relevant in the evolving programming landscape. Originally released in 2003, Scala uniquely combines functional and object-oriented programming and compiles to Java bytecode, also targeting JavaScript via Scala.js. Notably, Scala is the primary language used for Apache Kafka and Apache Spark. While Odersky and Haoyi acknowledge that Scala is no longer experiencing

Self-Supervised Learning from Images with JEPA

Published: 2025-03-29 | Origin: Hacker News

arXivLabs is a platform that enables collaborators to create and share new features for the arXiv website while adhering to values of openness, community, excellence, and user data privacy. The initiative welcomes both individuals and organizations committed to these principles. If someone has an idea for a project that could benefit the arXiv community, they can learn more about arXivLabs. Additionally, users can sign up for notifications regarding arXiv's operational status via email or Slack.

Plain – a web framework for building products with Python

Published: 2025-03-29 | Origin: Hacker News

Plain is a new framework based on Django that aims to innovate established practices in the Python ecosystem. It allows users to build various applications, from businesses to personal tools. Originally developed within PullApprove, a SaaS company serving Fortune 500 clients, Plain emphasizes ease of local development and deployment with advanced features like dashboards and feature flags. The framework is structured into several first-party packages, enabling optional major features and independent evolution of new ideas. Key functionalities include essential web components (URLs, views, templates),

OpenWrt Two Approval

Published: 2025-03-29 | Origin: Hacker News

The content indicates that a topic started by John Crispin is closed and has been accepted as of May 3, 2025. Self-registration for the OpenWrt wiki is currently disabled, and those wishing to contribute must request access through the forum or IRC. Additionally, the content on the wiki is generally licensed under the Creative Commons Attribution-Share Alike 4.0 International license.

A deliberate practice app for guitar players who want to level up

Published: 2025-03-29 | Origin: Hacker News

Captrice is a smart metronome app designed to enhance guitar practice by providing real-time metrics and actionable insights. It emphasizes a practice method that improves speed, endurance, accuracy, and adaptability. Users can see noticeable improvements in just 30 minutes of practice. Key features include: - An ergonomic design with keyboard shortcuts for ease of use while playing. - A repository for organizing exercises into collections. - Integration of guitar tablature and music notation for quick reference. - Access to a library of exercises

The Guardian flourishes without a paywall

Published: 2025-03-29 | Origin: Hacker News

The article discusses the shifting dynamics of media ownership, highlighting how billionaire owners, once seen as assets, have increasingly become liabilities for outlets like the Washington Post and Los Angeles Times, particularly in relation to pressures from Donald Trump. In contrast, the Guardian US, which does not have a billionaire owner or corporate interests influencing its reporting, is capitalizing on these issues by emphasizing its commitment to fair journalism. Editor Betsy Reed appeals for reader donations to support their independent reporting, particularly in light of increasing threats to

iCloud Mail has DNS misconfigured?

Published: 2025-03-29 | Origin: Hacker News

The current SPF record has been retained, and verification details include a DKIM signature with a public key of 2048 bits. A DMARC DNS entry for the domain _dmarc.vooijs.eu has been found. Your IP address (57.103.88.93) is linked to a specific domain, but your message was sent from a different hostname. It is recommended to align your pointer (PTR type) DNS record and server hostname. Additionally, consider publishing an A type DNS

The highest-ranking personal blogs of Hacker News

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

Of course! Please provide the content you'd like me to summarize.

DIY PTP Grandmaster Clock with a Raspberry Pi

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

The author has created an open-source project called Time Pi, which serves as a stratum 1 PTP and NTP timeserver utilizing a Raspberry Pi 5. Recognizing the crucial role of precise timekeeping in fields like robotics, finance, and media production, the project aims to provide an accessible and cost-effective solution for hobbyists to set up their own PTP grandmaster clock server. Time Pi is currently installed in a LabStack module within a 3U RackMate TT,

Charlie Javice convicted of defrauding JPMorgan in $175M startup sale

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

Charlie Javice, the founder of the startup Frank, was convicted of defrauding JPMorgan Chase out of $175 million by greatly exaggerating her company's customer base. After a five-week federal trial in Manhattan, a jury found her guilty of the charges. Javice claimed her company had over four million clients when it only had about 300,000. The case, which has drawn comparisons to the scandal involving Theranos and its founder Elizabeth Holmes, carries the potential for decades in prison for Jav

Why Software Engineering Will Never Die

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

The newly published paper "Preparing Students for the Software Industry New Demands" from the Polytechnic Institute of Castelo Branco addresses the significant gap between the skills taught in educational institutions and those demanded by the software industry. It highlights that graduates often lack the comprehensive skill set needed to meet employer expectations, which combine entry-level knowledge with the experience of seasoned developers. The paper seeks to understand how to better prepare students for these roles while also indirectly addressing concerns about the potential job threats posed by low code and AI-assisted tools

We hacked Gemini's Python sandbox and leaked its source code (at least some)

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

The content discusses a hacking team's journey to uncover vulnerabilities in Google's Gemini AI during the bugSWAT event in 2023, which led to a previous blog post about their experience and a $50,000 reward. The author, Roni Carta, emphasizes the frenetic competition among tech companies to dominate the Large Language Model (LLM) landscape, as new players like Anthropic and Mistral enter the field. Amidst the rapid deployment of AI tools, there are concerns regarding security and the

Can jank beat Clojure's error reporting?

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

The author has spent the last quarter improving the error messages for jank, aiming to match and enhance Clojure's error reporting. This is their first quarter working on jank full-time, and they express excitement and gratitude to supporters for making this possible. The community's desire for better error reporting in Clojure has been highlighted through the yearly State of Clojure survey, with consistent feedback since 2015. Initially, jank's error messages were severely lacking compared to Clojure

How to use the built-in OptionParser for advanced CLI options

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

The content discusses the intimidation many non-UNIX users feel about writing command line applications and how Ruby, which has a significant number of CLI development gems, can create complications due to dependency risks and control limitations. However, it emphasizes that Ruby's built-in OptionParser is a powerful tool for creating command line interfaces, often sufficient for straightforward applications. The author shares a practical example from their work on a test runner, demonstrating how OptionParser can efficiently manage a flag that enables, disables, or sets

AbyssIRC: A modern opensource IRC server written in C# - Long live IRC!

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

AbyssIRC is a high-performance, modern IRC server written in C#, designed for minimal latency and optimal scalability, especially for high-traffic communities. The project aims to refresh IRC by combining its classic protocol with contemporary features and supports extensibility through plugins and gateways. Contributors are encouraged to join in its development. To run AbyssIRC, users can easily deploy it via Docker. The server uses YAML for its main configuration, allowing customizable parameters like the message of the day (MOTD).