hackernews

1. Study mode Total comment counts : 111 Summary error Top 1 Comment Summary Large Language Models (LLMs) serve as valuable study partners, allowing users to ask questions without embarrassment and guiding them through material step-by-step. This represents a significant improvement over past online learning experiences, which often involved encountering incorrect or outdated content without immediate feedback. While it’s essential to verify information from multiple sources, LLMs offer a transformative learning tool....

1. Enough AI copilots, we need AI HUDs Total comment counts : 85 Summary Mark Weiser’s 1992 critique of AI design highlights the limitations of the “copilot” metaphor for AI, advocating instead for a focus on “invisible computers” that enhance human awareness. He contrasts the copilot model, which actively assists, with the concept of a Head-Up Display (HUD) that seamlessly integrates information into the user’s perception. Modern examples include spellcheck and custom debugging tools that augment human understanding without direct interaction....

1. Dumb Pipe Total comment counts : 48 Summary The “Dumb Pipe,” developed by number 0, enables easy direct device connections that circumvent NAT issues and adapt to changing network conditions. It allows users to connect two computers with a single command, utilizing a 200-line wrapper around the iroh rust crate, employing QUIC technology for secure, multiplexed connections. While direct connectivity is sometimes impossible, a mesh network of relay nodes manages UDP traffic over HTTP when needed....

1. Rust running on every GPU Total comment counts : 22 Summary A demo has been created that allows a single Rust codebase to run on major GPU platforms without using specialized shader or kernel languages. This is achieved through projects like Rust GPU, Rust CUDA, and Naga, which facilitate compiling Rust code directly for GPUs. The demo implements a bitonic sort, showcasing cross-platform GPU compute. It simplifies the developer experience by embedding compiled GPU kernels into a standard Rust binary....

1. There is no memory safety without thread safety Total comment counts : 30 Summary The article discusses the concept of memory safety, emphasizing that it often refers to preventing use-after-free and out-of-bounds accesses. However, the author argues this distinction between memory safety and thread safety is misleading; the real goal is to avoid Undefined Behavior. Through a Go programming example, the article illustrates that Go’s concurrency model can lead to memory safety violations despite being labeled memory-safe....

1. CARA – High precision robot dog using rope Total comment counts : 42 Summary CARA (Capstans Are Really Awesome) is an advanced quadrupedal robot designed without gears or pulleys, using capstan drives for its joints. Building on past designs, CARA uniquely leverages capstan drives, which provide high torque, zero backlash, and quiet operation. Achieving an exact 8:1 gear ratio required precise calculations of effective drum diameters. The robot’s legs utilize a 5-bar linkage system for compactness and load distribution, powered by BLDC motors and controlled using ODrive controllers....

1. Qwen3-Coder: Agentic coding in the world Total comment counts : 32 Summary Today, Qwen3-Coder was launched, featuring its most powerful variant, Qwen3-Coder-480B-A35B-Instruct, a 480B-parameter code model that excels in coding and agentic tasks. It supports a context length of 256K tokens and achieves state-of-the-art results in several agentic coding tasks. Alongside, the open-sourced Qwen Code tool enhances its capabilities. Leveraging Alibaba Cloud, the model encapsulates advanced reinforcement learning for real-world software tasks....

1. Global hack on Microsoft Sharepoint hits U.S., state agencies, researchers say Total comment counts : 49 Summary error Top 1 Comment Summary The article critiques the persistent issues of government breaches and stagnant security technology, specifically focusing on SharePoint. It notes that SharePoint’s popularity stems from being bundled with Microsoft products and the high cost of replacing entrenched systems. Security often takes a backseat to cost and convenience for large companies....

1. XMLUI Total comment counts : 92 Summary Jon Udell introduces XMLUI, a new project that brings the Visual Basic-style component-based development model to the modern web using React. XMLUI allows users to create apps with minimal coding, leveraging a suite of components defined through simple XML markup. This approach makes building reactive, interactive applications accessible to those without deep knowledge of React or CSS. By combining familiar concepts from earlier programming environments with contemporary technology, XMLUI aims to simplify app development and enhance productivity, leveraging tools like AI assistants to streamline coding processes....