Published: 2025-11-25 | Origin: Hacker News

An editorially independent publication supported by the Simons Foundation reported on a recent development in the field of set theory and computer science. Traditionally, set theory serves as a foundational element in mathematics, with most mathematicians not needing to engage deeply with it in their work. However, a niche group known as descriptive set theorists focuses on the nature of sets, particularly infinite ones. In 2023, mathematician Anton Bernshteyn uncovered a surprising link between descriptive set theory and computer science, demonstrating

Published: 2025-11-25 | Origin: Hacker News

The content emphasizes the importance of user feedback and outlines the features of Flowglad, a service for open-source payments and billing infrastructure. It highlights that setting up Flowglad is straightforward, requiring minimal coding and integration with existing authentication systems. Users can quickly create pricing models through a dashboard with customizable templates. Flowglad allows B2C and B2B applications to utilize their internal user IDs for billing without the need for separate customer ID management. The message encourages users to get started and explore available

Published: 2025-11-25 | Origin: /r/programming

The core skill that differentiates senior engineers from their mid-level counterparts is their ability to reduce ambiguity in engineering tasks. While mid-level engineers excel at solving well-defined problems, they struggle with vague challenges like improving performance or enhancing user experiences. Senior engineers, on the other hand, excel at breaking down these ambiguous issues, transforming them into clear, actionable plans, and thus reducing project risks. Their effectiveness often appears effortless, as the resulting projects run smoothly with fewer surprises. Unfortunately, many companies fail to assess

Published: 2025-11-25 | Origin: /r/programming

The author discusses their experience using the NimbleParsec library in Elixir for parsing SQL-like predicate strings in a project involving Delta Sharing protocol and Apache Parquet data format. Initially, they attempted to parse these strings using a simple `String.split/2` method but recognized its limitations, as the code was inefficient and prone to errors. A reviewer suggested exploring NimbleParsec, which led the author to consider its advantages over regex—namely, better readability, clearer error messages, and more

Published: 2025-11-25 | Origin: Hacker News

The content discusses the introduction of "subgrid" in CSS Grid layout, which allows extended grid functionality beyond just direct children, enabling a more complex and interesting UI design. Initially perceived as a simple convenience, subgrid has proven to significantly enhance layout possibilities. The tutorial aims to explore the functionality and benefits of subgrid, while also addressing common challenges associated with its use. It is assumed that the reader has a basic understanding of CSS Grid layout. To provide practical examples, the author references resources from Kevin

Published: 2025-11-25 | Origin: /r/ruby

The author is an experienced full-stack Ruby on Rails engineer with over four years of expertise in developing and scaling web applications. Their technical skills cover various technologies, including Rails, Hotwire/Stimulus, PostgreSQL, Redis, MySQL, modern JS/TS, and hands-on DevOps experience in AWS. They are currently learning React and Next.js. The content discusses improvements in Rails 8.1 regarding the management of temporary files in ActiveStorage, which frequently deal with large files like CSVs

Published: 2025-11-25 | Origin: /r/programming

Vladimir Makarov expresses his long-standing interest in hash functions, stemming from his 40 years of experience with compilers and programming language processors. He notes that hash tables are the most efficient data structures for search, insert, and delete operations, performing better than balanced trees in practice, despite potential quadratic complexity in the worst case. Makarov has previously contributed to the design of fast hash tables, utilized in GCC and Ruby, and has shifted his focus to crafting efficient non-cryptographic hash

Published: 2025-11-25 | Origin: /r/programming

Confidential computing is an emerging technology that addresses a critical security gap by protecting data while it is being processed in memory. It utilizes hardware-based "trusted execution environments" to create a secure "black box" around applications, ensuring that sensitive data remains private and inaccessible to the host system or cloud provider during processing. With advancements overcoming historical challenges related to performance, cost, and availability, confidential computing is now practical and essential for organizations handling regulated or sensitive data. It is also positioned to become the standard

Published: 2025-11-25 | Origin: /r/programming

BTreePlus is a high-performance, file-backed B+Tree engine for .NET, designed to significantly outperform SQLite, achieving speeds of 2.8 to 4.0 million insertions per second on NVMe drives, particularly in handling large workloads of up to 1 billion rows. It is characterized by zero dependencies, is embeddable, and offers deterministic performance, making it ideal for various applications such as POS systems, ERP secondary indexes, and IoT devices. The engine features a

Published: 2025-11-25 | Origin: Hacker News

The content discusses the capabilities and community-driven aspects of WinApps, a tool that allows users to run Windows applications (like Microsoft 365 and Adobe Creative Cloud) on GNU/Linux systems (such as Ubuntu and Fedora) as if they were native applications. It integrates seamlessly with desktop environments like GNOME, KDE Plasma, and XFCE. WinApps supports a wide range of Windows applications, although it does not work with kernel-level anti-cheat systems. Contributions to the list of supported applications are encouraged

Published: 2025-11-25 | Origin: Hacker News

The article argues that AI will not resolve the fundamental management issues plaguing IT projects, despite rising global IT spending, which has significantly increased over the past two decades. It highlights that software failures occur universally across different sectors and that the rate of software success has not improved, leading to growing costs associated with these failures. The author suggests that AI tools, while promising, have limitations in managing the complexities of software projects, which often suffer from human failures in imagination, goal-setting, and complexity management.

Published: 2025-11-25 | Origin: /r/ruby

The provided content appears to be a data representation of a PNG image file, including various chunks of binary information such as the header (IHDR) and data (IDAT), which are not human-readable. The image data encoding includes color, pixel information, and other metadata required for rendering the image. The content cannot be summarized in a meaningful way since it consists chiefly of binary data. For a proper understanding, the data would need to be processed with appropriate software capable of decoding PNG files.

Published: 2025-11-25 | Origin: /r/ruby

The article, posted on November 24, 2025, discusses the influences on the Ruby programming language, particularly focusing on its creator, Yukihiro "Matz" Matsumoto, and the languages that inspired Ruby. The author examines Ruby’s careful balance of functional and imperative programming, noting influences from Perl, Smalltalk, Eiffel, Ada, and Lisp. While the author acknowledges familiarity with Perl and Smalltalk, they express less certainty about Eiffel and Ada's contributions, particularly questioning how Ada

Published: 2025-11-24 | Origin: /r/programming

The content reviews four notable Kotlin architecture libraries: MVIKotlin, FlowMVI, Orbit MVI, and Ballast, based on a comprehensive analysis of 70 libraries and over 100 criteria. While there is no definitive "best" solution—each library is rich in features and aligned with different philosophies—the article emphasizes that the choice should be guided by the specific needs of the team and business rather than trends or personal preferences. The author reflects on the challenge of choosing the right dependency due to the

Published: 2025-11-24 | Origin: /r/programming

In 2025, all major cloud providers experienced significant outages, starting with Google Cloud's issues in June, followed by a major disruption at Amazon Web Services (AWS) in October that impacted various services, and later a widespread outage of Microsoft Azure affecting train services in the Netherlands. Most recently, Cloudflare caused extensive internet disruptions. Each incident sparked reactions on social media, often referencing an XKCD comic that humorously highlights the fragility of technology reliant on small projects. However, the article criticizes

Published: 2025-11-24 | Origin: Hacker News

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Published: 2025-11-24 | Origin: Hacker News

On November 24, 2025, new beta features were introduced for the AI model Claude, enhancing its ability to dynamically discover, learn, and execute tools. This advancement aims to enable AI agents to seamlessly interact with a vast number of tools, like IDE assistants that manage git operations, file manipulations, and deployment protocols, or operations coordinators that integrate various platforms such as Slack and Jira. Key aspects of the features include: 1. **On-Demand Tool Discovery**: Instead of

Published: 2025-11-24 | Origin: Hacker News

The latest update on Pebble reveals exciting developments with the pre-production Pebble Time 2 watch. A key concern among the community is the longevity of the device, prompting discussions about ensuring both hardware and software sustainability. Core Devices, the company behind the relaunch, aims for profitability to enable ongoing manufacturing of the watches. They emphasize making the new models, including the Pebble Time 2, more repairable, with features like a removable back cover for easy battery replacement. Additionally, they've made the

Published: 2025-11-24 | Origin: Hacker News

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Published: 2025-11-24 | Origin: Hacker News

The content discusses "cool-retro-term," a terminal emulator that mimics the appearance of old cathode tube screens. It is designed to be visually appealing, customizable, and lightweight, compatible with Linux and macOS using Qt5. Users can adjust settings like colors and fonts through a context menu. To obtain the latest version, it can be downloaded as an AppImage for Linux or a dmg for macOS from the Releases page, or it may be available in the official repositories of various Linux distributions