Published: 2025-10-16 | Origin: /r/programming

The author reflects on their experience of rewriting a script for the Homebrew package manager, focusing on the differences between programming in Perl and Go. The original script in Perl, designed to selectively upgrade package versions, leveraged implicit structures and runtime flexibility. However, the author noted that using Perl allowed for potential silent failures due to its error handling. In contrast, when porting the script to Go, they appreciated Go's explicit error handling, which promotes clarity and reduces the chances of silent issues—a vital aspect for

Published: 2025-10-16 | Origin: /r/programming

The content discusses the programming language C, highlighting its significance as a middle ground between assembly and higher-level languages over the past 60 years. It emphasizes C's simple imperative syntax and the necessity for understanding concepts like pointers in systems programming. C's impact is noted as foundational to many software systems, contributing to its status as one of the most successful programming languages. Despite its strengths, the language also presents challenges, particularly seen in areas such as its memory management practices. The author points out that while modern

Published: 2025-10-16 | Origin: /r/programming

Subscribing to LWN provides essential support for its publishing operations, giving subscribers immediate access to all site content and additional features. At the Kangrejos 2025 conference, Tyler Mandry, co-lead of Rust's language-design team, discussed the positive impact of the Rust for Linux project on the Rust programming language. He acknowledged the contribution of Rust for Linux developers in advancing key language features, including field projections, in-place initialization, and arbitrary self types. Mandry highlighted the overall

Published: 2025-10-16 | Origin: Hacker News

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Published: 2025-10-16 | Origin: /r/programming

The author reflects on the nature of progress in the software industry, suggesting that what is often perceived as advancement is merely motion without meaningful change. They emphasize that new tools and frameworks do not necessarily solve the same underlying problems. The author shares a personal anecdote about a colleague using Apache Spark for a simple task, highlighting how engineers often confuse capability with necessity, leading to unnecessary complexity. With experience, the author has come to recognize that the optimism driving innovation can also lead to waste, as modern technologies can

Published: 2025-10-16 | Origin: /r/ruby

In an interview with Joe Leo, the Founder and CEO of Def Method, Matt Solt discusses the launch of Phoenix, an AI-powered service designed to generate self-healing tests for Ruby on Rails applications. This tool addresses the challenge of maintaining legacy Rails applications, which often lack sufficient test coverage, thereby increasing risks in refactoring and feature deployment. Phoenix generates high-quality automated test cases tailored for legacy code, helping developers navigate technical debt. It employs a reactive AI approach to continuously adapt tests as the application

Published: 2025-10-16 | Origin: Hacker News

The author discusses their experience with Gemini 3.0, an anticipated AI release, accessible via Google AI Studio through A/B testing. They note that SVG generation, particularly using a "pelican riding a bicycle" test, serves as a good measure of model quality. After trying several times, the author successfully generated an impressive SVG of an Xbox 360 controller. They mention the model ID for Gemini 3.0 (ecpt50a2y6mpgkcn) but express confusion

Published: 2025-10-16 | Origin: Hacker News

Claude has introduced a feature called Skills, which allows it to perform specific tasks more effectively by accessing relevant folders containing instructions, scripts, and resources. These Skills enhance Claude's capabilities in specialized areas, such as Excel and adhering to brand guidelines, by automatically loading the necessary information when relevant to a task. Users can create custom Skills, which will be available across all Claude apps, Claude Code, and the API. Skills function as tailored onboarding materials that package expertise, making Claude a specialist in areas important to

Published: 2025-10-16 | Origin: /r/ruby

The author describes their experience optimizing a multi-tenant Rails application running on Fly.io, specifically focusing on implementing frozen string literals to reduce memory consumption. The application hosts separate instances for each ballroom dance event with its own SQLite database, facilitating controlled experiments. After verifying compatibility with frozen string literals across their 41,000-line codebase, all 1,129 tests passed without changes. The author then chose to enable frozen strings globally through an environment variable instead of modifying individual files. They configured the staging environment

Published: 2025-10-16 | Origin: Hacker News

Gemini CLI has received an enhancement that allows users to execute complex, interactive commands directly within its interface, eliminating the need to switch to a separate terminal. This upgrade includes support for pseudo-terminals (PTY), enabling commands like text editors and system monitors to run seamlessly within Gemini CLI's context. The new feature utilizes the node-pty library to create a background virtual terminal, providing a rich interactive experience as the terminal’s output is streamed live to the user. This architecture facilitates two-way communication, allowing

Published: 2025-10-16 | Origin: Hacker News

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Published: 2025-10-16 | Origin: Hacker News

DoorDash has announced a partnership with Waymo to launch an autonomous delivery service in Metro Phoenix and has introduced a limited-time promotion offering DashPass members in Los Angeles, San Francisco, and Phoenix $10 off one Waymo ride per month until December 31, 2025. The new autonomous delivery service is currently being tested in Metro Phoenix, with plans for broader operations later this year. Deliveries will initially come from DashMart, DoorDash’s retail store, and expand over time. David Richter

Published: 2025-10-16 | Origin: /r/programming

The Coder Cafe discusses Conflict-Free Replicated Data Types (CRDTs) and their importance in distributed systems, emphasizing their ability to facilitate independent updates across nodes while ensuring all replicas eventually reach the same state. CRDTs may seem complex initially, but the concept revolves around managing concurrent operations—actions that occur independently without knowledge of one another—by providing a framework that enables synchronization. The distinction between concurrent operations and conflicts is also addressed, illustrating that concurrent edits can occur without conflict, while conflicting edits

Published: 2025-10-16 | Origin: /r/ruby

The Temporal Ruby SDK has reached General Availability (GA), enabling Ruby developers to build durable software with ease. This SDK is fully supported, offering the same features as other officially supported Temporal languages. The post provides a high-level overview of Temporal Ruby and dives into technical aspects, such as Rust integration, durable fiber implementation, and handling illegal calls. Temporal is a framework for creating deterministic code that can withstand crashes by recording actions as events, allowing it to resume from the last executed point. The Ruby SDK translates

Published: 2025-10-16 | Origin: Hacker News

The content discusses a tool called modshim, which allows users to enhance existing Python modules without modifying their original code. This approach serves as a cleaner alternative to forking or monkey-patching. Modshim creates a new "shimmed" module that combines original functionality with customized enhancements while keeping the original module intact. For instance, if you want to enhance the built-in `textwrap` module by adding a prefix to wrapped lines, you would create a new module that mirrors the original structure. You would

Published: 2025-10-16 | Origin: /r/programming

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Published: 2025-10-16 | Origin: Hacker News

GLM-4.6 and Qwen3-Coder-480B are now available on Ollama's cloud service, with easy integration into familiar tools. The Qwen3-Coder-30B has been updated for improved speed and reliability in tool calling. Users with over 300GB of VRAM can also use Qwen3-Coder-480B locally. To access the coding models in VS Code or Zed (now available for Windows), users should pull the models and install Droid

Published: 2025-10-16 | Origin: /r/programming

The article discusses two vulnerabilities found in NVIDIA's Linux Open GPU Kernel Modules, which can be exploited by attackers with access to local unprivileged processes. These bugs were identified in the nvidia.ko and nvidia-uvm.ko modules, which expose ioctls to unprivileged users. Although meant for NVIDIA's proprietary binaries, the header files allowed for direct ioctl calls, leading to the discovery of these vulnerabilities. One notable vulnerability involves the UVM_MAP_EXTERNAL_ALLOCATION ioctl,

Published: 2025-10-16 | Origin: Hacker News

arXivLabs is a collaborative framework for developing and sharing new features on the arXiv website, emphasizing values such as openness, community, excellence, and user data privacy. The platform partners with individuals and organizations that uphold these values. Users are encouraged to propose projects that could benefit the arXiv community. Additionally, there are options to receive operational status notifications via email or Slack.

Published: 2025-10-16 | Origin: Hacker News

The text discusses a recent refactoring of complex code related to customer and order management in an enterprise resource planning (ERP) system. The code refactoring aimed to simplify requests management by leveraging static analysis through applicative functors. These functors allow for a completely static control flow but have limitations in expressing computations that depend on previous results. The goal was to batch queries efficiently without dealing with data dependencies, enabling library users to benefit from batch query APIs without managing batching details. The article also introduces the “