Published: 2024-09-20 | Origin: /r/programming

The content expresses the importance of user feedback and encourages users to consult the documentation for available qualifiers. It describes a Lua-based implementation of Conway's Game of Life, where a grid universe evolves based on rules of survival, reproduction, and death. Instructions for using the project include cloning the repository and running the script. The author notes that this project is a recreation of a previous project made in Go, aimed at learning Lua. A link to the original Go project is also provided.

Published: 2024-09-20 | Origin: Hacker News

The blog post on tinyapps.org discusses a method to disable the frequent prompt in Sequoia that requests permission to bypass the system's private window picker and access screen and audio. The prompt frequency has been reduced by Apple from daily to monthly. The suggested workaround involves quitting the app, setting the system date far into the future, opening the app to trigger the prompt, selecting "Allow For One Month," and then restoring the original date. The post humorously notes that this workaround resembles a "hack

Published: 2024-09-20 | Origin: Hacker News

LeanRL is a lightweight library derived from CleanRL, aimed at providing optimized implementations of popular Reinforcement Learning (RL) algorithms using PyTorch. Its main objective is to significantly reduce training time by employing advanced PyTorch 2 features like `torch.compile` and `cudagraphs`. While the library lacks certain features such as detailed logging and checkpointing, it serves as a simplified resource for testing the runtime performance of various training scripts. The key speed improvements come from `torch.compile`, which enhances

Published: 2024-09-19 | Origin: Hacker News

The content discusses a security vulnerability identified as CVE-2024-45489 related to the Arc application, which primarily uses Firebase for user authentication. The author begins by analyzing Arc after downloading it, discovering that an account is required for use. Upon further investigation using a proxy tool (mitmproxy), they observe that while Arc utilizes Firebase for authentication, other functionalities remain untraceable through typical request monitoring. The author speculates that it might be using Firestore, Firebase's database service, which

Published: 2024-09-19 | Origin: Hacker News

The content is about a project that provides 3,198 free SVG icons for popular brands. Users can request missing icons or report outdated ones through GitHub, and contributions and corrections are welcome. The project is maintained by Simple Icons contributors and is supported by donations on Open Collective. It emphasizes community involvement and is created with care on GitHub.

Published: 2024-09-19 | Origin: Hacker News

The blog post discusses the importance of understanding port forwarding and tunneling, particularly through SSH, and shares practical experiences and tips. Key topics include use cases, SSH configurations like jumphosts, and local, remote, and dynamic port forwarding, with a primary focus on TCP ports. SSH tunneling allows forwarding TCP traffic over a secure connection between an SSH client and server. The post includes various command examples for setting up port forwarding using SSH, emphasizing the need to configure settings such as `GatewayPorts

Published: 2024-09-19 | Origin: /r/programming

The Direct3D and HLSL teams announced a significant advancement in GPU programmability with the upcoming release of Shader Model 7, which will enable DirectX 12 to accept shaders compiled to SPIR-V™. The HLSL team is dedicated to open development and is collaborating with The Khronos® Group and the LLVM Project during this multi-year transition to promote transparency. Their goal is to make HLSL the premier language for compiling graphics and compute shaders across various devices and GPU APIs.

Published: 2024-09-19 | Origin: /r/programming

The author discusses the reasoning behind error handling, specifically focusing on the use of exceptions. While acknowledging the existence of multiple error handling schemes, they express a preference for exceptions and aim to provide insights into how to effectively reason about codebases that utilize them. The content emphasizes the need for a basic understanding of exceptions and outlines four key semantics of error handling: 1. **Detection**: Identifying erroneous behavior and reporting it, usually through an error object. 2. **Propagation**: Passing the error

Published: 2024-09-19 | Origin: Hacker News

The author, an open source developer, shares their experience of receiving malicious emails pretending to be from GitHub, particularly one that claimed there was a security vulnerability in their repository. They explain how these phishing emails work, emphasizing that attackers can control much of the email's content, including the wording and links, making it difficult for recipients to recognize the deceit. The email claimed to provide important security information but was actually a trap to trick the developer into clicking a harmful link. The author warns others about the

Published: 2024-09-19 | Origin: /r/programming

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Published: 2024-09-19 | Origin: Hacker News

The author has decided to fully develop "zb," their user-friendly reproducible build tool, despite previously stating it wouldn't be production-ready. A significant milestone has been achieved as zb no longer relies on Nix, having developed a new build backend that incorporates content-addressed derivations and follows the "Intensional Model" from The Purely Functional Software Deployment Model. Although zb is not yet ready for production use, the author encourages users to experiment with it, provide feedback on GitHub, and consult the

Published: 2024-09-19 | Origin: /r/ruby

In the September 19, 2024 edition of Ruby Weekly, the primary highlights include: 1. **DragonRuby Game Engine**: This Ruby-based 2D game engine supports multiple platforms including Windows, Mac, Linux, iOS, and consoles. It's currently available for free for 36 hours, making it an attractive option for developers looking to create games. 2. **AI Integration in Rails**: reinteractive offers expertise in integrating AI technologies like OpenAI and AWS Bedrock into Rails

Published: 2024-09-19 | Origin: Hacker News

Japanese companies are developing innovative transparent glass antennas that allow windows to function as 5G cellular base stations. This approach aims to provide enhanced cell coverage without adding unsightly equipment to public spaces. With the rollout of 5G requiring more base stations due to its higher frequency spectrum, the need for a solution that minimizes visual impact is essential. JTower, in collaboration with AGC and NTT Docomo, recently installed the world’s first transparent glass antenna in Tokyo's Shinjuku district. This

Published: 2024-09-19 | Origin: /r/programming

Jonathan Saring shares insights from his four-year experience working with numerous platform teams at leading organizations, focusing on the complexities of modern software development. He presents a guide that encapsulates key capabilities, solutions, and tools necessary for success in this area and invites readers to share their own experiences in the comments. Saring emphasizes the importance of Internal Developer Platforms (IDPs), which have become essential for managing the complexities of development teams, distributed systems, and microservices. IDPs streamline processes, standardize tools

Published: 2024-09-19 | Origin: /r/ruby

The author reflects on taking a "stories-first" approach to refactoring a complex piece of business code due to a lack of time for in-depth writing. They discovered the well-known "Gilded Rose" refactoring kata—a task involving updating an existing update method without modifying the Item class. The kata's initial Ruby implementation is overly complex, comprising a lengthy method filled with nested if statements. While many community solutions segment logic into multiple classes with highly descriptive method names, the author proposes a different approach

Published: 2024-09-19 | Origin: /r/programming

Darren Horrocks discusses the common misstep of over-engineering web applications for scalability before achieving a substantial user base. He emphasizes that while it's easy to envision large-scale success and plan for it early on, doing so can hinder progress. Instead, he advocates for focusing on the immediate needs of the initial users and gathering real data from them. In the early stages, time is best spent on building features and enhancing user experience rather than perfecting infrastructure that isn’t yet necessary. Horrocks concludes that

Published: 2024-09-19 | Origin: /r/programming

Dark mode has gained immense popularity across digital platforms, offering a color scheme with dark backgrounds and light text, as opposed to the traditional light mode that features a white background. Its rise in favor is largely attributed to its ability to reduce eye strain for users who spend extended periods in front of screens, particularly in low-light environments. Additionally, dark mode can improve battery life on OLED screens, as black pixels require less power. Many users also find dark themes aesthetically pleasing, enhancing the visual appeal of content.

Published: 2024-09-19 | Origin: /r/programming

The article by Yang Zhou highlights the evolution and significance of type hints in Python, specifically focusing on Python 3.5's introduction of this feature. Python, traditionally a dynamically typed language, has enhanced its capabilities for type safety through these hints, which have become more comprehensive up to Python 3.13. The author aims to summarize and explain nine advanced type hinting techniques that go beyond basic usage, illustrating their importance with an example involving TypeVar, a feature that allows the definition of type variables

Published: 2024-09-19 | Origin: Hacker News

A digital signature is a mathematical method used to verify the authenticity of digital messages or documents, assuring recipients that a message comes from a known sender. The basic process involves a sender, Alice, signing a message with her private key; the recipient, Bob, can then verify the signature using Alice's public key. This straightforward concept has led to the broad adoption of digital signatures for various applications such as validating software updates and authenticating SSL connections. However, cryptographers have a more complex view of digital signatures

Published: 2024-09-19 | Origin: Hacker News

A recent report by the Commonwealth Fund reveals that the United States ranks last among 10 peer nations in healthcare performance, despite Americans spending nearly twice as much on healthcare as other countries. The US system struggles with issues of health equity, access to care, and overall health outcomes. Dr. Joseph Betancourt, president of the Commonwealth Fund, highlights the human impact of these failures, noting that many patients face financial barriers to medications and care. While healthcare costs are a primary concern for voters, neither presidential