Published: 2025-03-20 | Origin: /r/ruby

Failed to fetch content - HTTP Error - Failed to open TCP connection to :80 (Connection refused - connect(2) for nil port 80)

Published: 2025-03-20 | Origin: /r/ruby

The excerpt is a preview from the upcoming book "JavaScript for Rails Developers," focusing on Internationalization (i18n) within web applications. It highlights the importance of preparing apps to support multiple languages and regional settings, which involves more than simple translations—it also includes formatting dates, numbers, and phone numbers. While i18n can often be deprioritized in product development, it is manageable in Rails, which has strong built-in support for it. The author explores integrating i18n with Java

Published: 2025-03-20 | Origin: /r/programming

The Mnemosyne Cache library is a small, customizable caching solution for Java applications that facilitates efficient memory management through a common Value Pool for objects of the same type. It supports different caching algorithms, such as FIFO and LRU, and allows developers to create custom algorithms by extending an abstract class. Currently, it integrates with Spring, with plans for more integrations in the future. Mnemosyne is particularly useful when dealing with frequent method calls that retrieve transactions from a slow remote database. It addresses the challenge

Published: 2025-03-20 | Origin: Hacker News

Austral is a new systems programming language, designed to be simpler and more reliable than other languages like Rust or Ada. It incorporates a strong static type system, linear types, capability-based security, and modularity. The article introduces Austral with a focus on its design philosophy, emphasizing simplicity as the main goal. Simplicity is defined in terms of how easily a system can be described, advocating for short, clear descriptions to avoid the complexity found in languages like C or Python. The rationale behind Austral

Published: 2025-03-20 | Origin: Hacker News

The content outlines the functionality of an MCP server that utilizes the Playwright headless browser to fetch web page content. Users can run the server directly using npx, and debug it with the --debug option to view the browser interface. It offers the ability to retrieve content from a single URL or to batch retrieve content from multiple URLs concurrently. Configuration instructions for Claude Desktop are provided for both MacOS and Windows users. Additionally, users are advised to install the necessary browsers for Playwright and use the MCP

Published: 2025-03-20 | Origin: Hacker News

The author has spent two weeks rewriting CI scripts in GitHub Actions, marking the third reconfiguration of their CI setup after previously transitioning from GitHub Actions to Earthly and back. Their CI environment is complex, involving merge queues, various runners, Rust builds, Docker images, and extensive integration tests. They face challenges with GitHub Actions, which, while technically capable, presents frustrating setup issues, hidden complexities, and debugging difficulties. The key to maintaining a clean main branch involves utilizing GitHub's merge

Published: 2025-03-20 | Origin: Hacker News

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Published: 2025-03-20 | Origin: /r/programming

The text discusses the feedback process regarding the empiriqa tool (command name: epiq), which is designed for interactive manipulation of UNIX pipelines. It enables users to edit, add, delete, and toggle pipeline stages, facilitating data processing and analysis experimentation. The tool supports continuous output streams and is considered a generalization of other interactive tools like jnv (for JSON) and sig (for grep). It captures mouse events for output scrolling, but this limits text selection functionalities in the terminal. Users can

Published: 2025-03-20 | Origin: Hacker News

The content emphasizes that all feedback is carefully reviewed and valued. Additionally, it directs readers to the documentation to view available qualifiers.

Published: 2025-03-20 | Origin: /r/ruby

Failed to fetch content - HTTP Error - Failed to open TCP connection to :80 (Connection refused - connect(2) for nil port 80)

Published: 2025-03-19 | Origin: Hacker News

The Dark Energy Spectroscopic Instrument (DESI) is a project dedicated to mapping celestial objects to enhance our understanding of dark energy, which is responsible for the universe's accelerating expansion. Recently, DESI released its first major dataset, comprising 18.7 million objects, including about 4 million stars, 13.1 million galaxies, and 1.6 million quasars. While the primary goal of DESI is to investigate dark energy, the dataset could also lead to insights in other astroph

Published: 2025-03-19 | Origin: Hacker News

The content discusses a process for generating multi-view Splatter Images from one or more input images using a multi-view diffusion model to create scene appearance and geometry. The Splatter Images are regressed with a Gaussian Head, and 3D Gaussians from these images are combined to form a 3D scene. The model, named Bolt3D, can handle a variable number of input images and generates unobserved scene regions without reprojection or inpainting. A key component in achieving high-quality

Published: 2025-03-19 | Origin: Hacker News

This guide simplifies the workings of AI agents, breaking them down into basic graphs to make the concepts accessible for beginners. It serves as a step-by-step version of the official PocketFlow Agent documentation, elaborating on key ideas with examples and straightforward language. While many find the technical language surrounding "LLM agents" overwhelming, this guide offers clarity and practical insights. Key topics include: - An easy-to-understand explanation of the underlying concepts of AI agents. - A description of how agents make decisions in

Published: 2025-03-19 | Origin: Hacker News

Michalina Janoszanka (1889–1952) was an artist who gained initial recognition as the muse and understudy of renowned Polish painter Jacek Malczewski. While she posed for many of his symbolist works, Janoszanka was also an accomplished artist in her own right, trained in Kraków and Vienna. Her artistic focus included traditional themes like portraits, still lifes, and religious scenes, but she garnered particular attention for her unique approach to reverse painting,

Published: 2025-03-19 | Origin: Hacker News

The article discusses the discovery of a significant security vulnerability (CVE-2024-47516) in Pagure, a self-service software forge used in the Fedora ecosystem. Pagure allows users to create accounts and engage various services, like reporting issues and contributing code. The vulnerability involves an argument injection in the PagureRepo.log() function, which could enable attackers to write to arbitrary files, potentially executing malicious code on any Pagure instance. The researchers verified this vulnerability on both their local instance and

Published: 2025-03-19 | Origin: /r/programming

Diagrams play a crucial role in communication by effectively conveying complex ideas and enhancing the overall quality of content, yet they are often underutilized in research papers, documentation, and other written works. People instinctively use visual aids, such as drawings, to clarify difficult concepts or designs, reflecting our inherent visual nature. Despite the effectiveness of diagrams and symbols over verbose language, they are frequently regarded as supplementary rather than central to the content. This undervaluation may stem from a common writing adage,

Published: 2025-03-19 | Origin: Hacker News

The content discusses identified blindspots in large language models (LLMs) when it comes to AI coding, with a specific emphasis on the Sonnet family of models. The author hints at potentially proposing rules for addressing these issues in Cursor. The site itself is created using Hugo.

Published: 2025-03-19 | Origin: /r/programming

The article discusses the significant impact of API design on developer productivity, highlighting that poorly designed APIs can be frustrating to work with. According to Postman's 2023 State of the API Report, almost 70% of developers report that bad API design hinders their productivity. The key to creating APIs that developers want to use lies in avoiding common pitfalls in RESTful API design. REST (Representational State Transfer) is the preferred architectural style for APIs due to its scalability, alignment with web architecture, and

Published: 2025-03-19 | Origin: Hacker News

The passage discusses the transition from winter to spring in the northern hemisphere, highlighting a colleague's experience in Stavanger, Norway, where the length of daylight dramatically changes after the vernal equinox. The author reflects on the speed at which days grow longer during this season and created an interactive graph to illustrate these changes based on latitude. Key insights include that days are exactly 12 hours long on equinoxes and that the length of daylight increases most rapidly near the equinoxes, except near the Arctic Circle

Published: 2025-03-19 | Origin: /r/programming

The content discusses the concept of "unsafe" in the Rust programming language and addresses concerns about whether its use undermines Rust's safety goals. The straightforward answer is "no," and the text emphasizes the distinction between programming languages and their implementations. It uses the example of the Brainfuck programming language, which consists of only eight operations, to illustrate how the features and properties of a language differ from those of its implementation. While a language's semantics may not allow certain functionalities, interpreters or compilers can