Published: 2025-05-28 | Origin: Hacker News

The author discusses their exploration of multithreading by implementing it in an NES emulator, specifically with Super Mario Bros. They draw an analogy between threads and emulator save states, highlighting the potential for using this concept as a teaching tool. In their version, three distinct instances of the game run concurrently, with the emulator switching between them at regular intervals (every 160 frames). Each thread is given a unique color palette, resulting in a dynamic visual effect as the game instances alternate. The process involves creating save

Published: 2025-05-28 | Origin: /r/programming

The principle of "Don't Repeat Yourself" (DRY) is a foundational concept in programming that encourages developers to eliminate code duplication. However, the article warns that prematurely abstracting code can lead to complexity and maintenance issues. It illustrates this through an example involving a bonus calculation system for employees and contractors. Initially, the developer consolidates similar logic into a shared function, but as requirements change, new parameters are added over time, leading to a convoluted and unwieldy function. This scenario highlights the

Published: 2025-05-28 | Origin: /r/ruby

The Ruby AI Podcast focuses on the relationship between Ruby programming and artificial intelligence, featuring expert discussions, innovative projects, and practical insights. The podcast includes interviews with industry leaders and developers, highlighting Ruby's impact on the future of AI. Additionally, listeners can find recommendations for other great podcasts curated by the hosts, not generated by an algorithm.

Published: 2025-05-28 | Origin: /r/programming

The author expresses concern about the "fast-math" compiler flag, which is available in many programming languages and compilers (like GCC, Clang, ICC, MSVC, and Julia). While this flag enhances the speed of mathematical computations, it does so at the cost of accuracy and adherence to the IEEE 754 standard for floating-point operations. Fast-math allows compilers to perform optimizations that may violate these rules, leading to potentially significant and detrimental effects. In GCC, for example,

Published: 2025-05-28 | Origin: /r/ruby

Joseph Izaguirre discusses the potential of using Ruby, paired with the Async library, for building a web crawler, despite it not being a typical choice for I/O heavy tasks. He acknowledges that languages like Go, JavaScript, and Elixir are generally more recognized for their event-driven, non-blocking architecture, but argues that Ruby offers superior readability and expressiveness. The article focuses on demonstrating how to integrate concurrency into a simple web crawler, highlighting that the provided code is for illustrative purposes and

Published: 2025-05-28 | Origin: /r/programming

Manifest V2 extensions in Chrome are currently disabled by default for all users, though they can be re-enabled temporarily. The rollout of a phase where users can no longer turn them back on has begun for some in the Canary channel. Enterprises using the ExtensionManifestV2Availability policy will remain exempt from these changes until at least June 2025. Starting in June 2025, with Chrome version 139, support for Manifest V2 will be completely removed, affecting all users simultaneously; Chrome 138

Published: 2025-05-28 | Origin: /r/programming

.NET 10 Preview 4 introduces a new feature that simplifies running C# code by allowing developers to execute a C# file directly with the command `dotnet run app.cs`, eliminating the need for a project file. This enhancement, called file-based apps, makes C# more accessible for beginners, enabling quick script testing and experimentation without the complexity of creating a full project structure. File-based apps support useful directives that allow users to declare aspects typically found in project files, such as adding NuGet

Published: 2025-05-28 | Origin: Hacker News

Desktop Docs is an advanced image and video search platform designed for Mac users with Apple Silicon (M1/M2/M3) that offers a one-time purchase with no subscription required. It processes files locally and can deliver results in under 0.3 seconds. Trusted by thousands of creators and leading production houses, Desktop Docs enhances media management by analyzing actual content rather than just filenames. Users can search for specific scenes or images and upload reference images to find matches across their libraries. Testimonials from various professionals highlight

Published: 2025-05-28 | Origin: Hacker News

Japan Post has introduced a "digital address" system, linking seven-digit codes to physical addresses. This allows users to input the codes on online shopping sites for automatic address filling. Individuals can obtain these digital addresses by registering with Japan Post's Yu ID service, which remain unchanged even if physical addresses do. E-commerce companies, including Rakuten, are considering adopting this new system, which Japan Post plans to promote over the next decade.

Published: 2025-05-28 | Origin: Hacker News

The history of Compiler Explorer's URL storage began in 2012, when the entire compiler state was stored in the URL. This approach became unwieldy, leading to the integration of Google’s link shortener, goo.gl, in 2014 for simpler links. However, in 2016, Stack Overflow banned link shorteners due to misuse, which affected Compiler Explorer's links. To navigate this, they modified their links to appear as godbolt.org/g/abc123, which redirected through

Published: 2025-05-28 | Origin: Hacker News

The Icepi Zero is an economical FPGA development board designed in the Raspberry Pi Zero form factor, featuring a Lattice ECP5 25F FPGA. This compact board facilitates powerful designs with capabilities for video output via an HDMI port and connectivity through three USB-C ports. It is aimed at providing an affordable and portable solution for FPGA development, suitable for students learning about processors, gamers emulating classic hardware, and programmers testing code. The Icepi Zero includes an onboard USB to JTAG converter for easy

Published: 2025-05-28 | Origin: /r/ruby

Managing access control in Ruby applications can start off simply but quickly becomes complex as applications grow. Initially, basic boolean flags and role checks may seem sufficient, but they lead to a tangled web of if-else statements that complicate maintenance and scalability of permissions. An efficient authorization system is crucial since it underpins application security and influences user experience. Role-Based Access Control (RBAC) offers a systematic solution by managing access through role assignments rather than individual permissions. This method aligns well with Ruby's syntax and

Published: 2025-05-28 | Origin: /r/programming

The content discusses the growing trend of securing non-human identities (NHIs) within software architectures, particularly through the use of Cerbos for authorization after authentication. It highlights recent conversations with clients about various NHI use cases and outlines five common authentication methods, focusing particularly on X.509 certificates used in mutual TLS (mTLS) for machine-to-machine (M2M) communication. mTLS is praised for its high security posture due to mutual authentication and cryptographic assurances, making it suitable for scalable applications

Published: 2025-05-28 | Origin: /r/programming

arXiv is seeking a DevOps Engineer to contribute to an essential platform for open science. The organization promotes collaboration through arXivLabs, which allows users to develop and share new features. Partners in this initiative must align with arXiv’s values of openness, community, excellence, and user data privacy. Those with project ideas for enhancing the arXiv community are encouraged to explore arXivLabs. Additionally, users can receive updates on operational status via email or Slack.

Published: 2025-05-28 | Origin: /r/programming

CheerpJ 4.0 was recently released as the first WebAssembly-based JVM supporting multiple Java versions, specifically maintaining support for Java 8 while introducing Java 11. Initially, Java 17 support was planned for a later release, but due to rapid progress, it is now being launched in CheerpJ 4.1 as a preview, with stable support expected in the future CheerpJ 5.0, targeted for release by the end of 2025. The community's

Published: 2025-05-28 | Origin: Hacker News

In an interview with Hadley Wickham, two notable points emerged: Wickham's humility despite his prominence in the data science field and his assertion that many "big data" problems can effectively be viewed as "small data" issues with the right sampling techniques. The author discusses the challenges of handling large datasets, particularly when data processing slows down in memory, especially in R or when accessing remote data sources. This often necessitates sampling. However, the author notes there's no universally accepted guideline for determining the

Published: 2025-05-28 | Origin: Hacker News

The article discusses the irony and contradiction of advanced AI systems being developed alongside mechanisms like captchas designed to confirm human identity online. As AI becomes more capable of solving these challenges, humans find it increasingly difficult to prove their personhood, which poses both a UX problem and a broader civilizational challenge. The text highlights a paradox where humans must pass tests created to limit the very intelligence they have developed. In response, several projects are exploring new methods to differentiate humans from machines beyond traditional captcha methods, utilizing

Published: 2025-05-28 | Origin: Hacker News

The content discusses the Alpenglow consensus protocol, a global high-performance Proof-of-Stake blockchain that incorporates erasure coding. It emphasizes the importance of user feedback and directs readers to documentation for available qualifiers. Users can run a local cluster simulation of the protocol with a command that creates 6 nodes communicating via UDP. It mentions the fastrace crate for monitoring node progress and provides binaries for simulations that evaluate aspects like rotor resilience and overall latency and bandwidth needs. Configuration for simulations requires modifying constants in a

Published: 2025-05-28 | Origin: Hacker News

The core concept discussed is the implementation of adaptive thinking time allocation based on query complexity, classifying queries as HIGH or LOW complexity and distributing processing tokens accordingly (70-90% for complex queries and 20-40% for simpler ones). This approach is enhanced by the use of steering vectors from Pivotal Token Search, promoting accurate reasoning and self-correction during model generation. Results from testing on the DeepSeek-R1-Distill-Qwen-1.5B model demonstrated significant performance

Published: 2025-05-28 | Origin: /r/programming

The content emphasizes the importance of focusing on current problems rather than hypothetical ones when developing software. It warns against becoming distracted by the allure of new technologies that address imagined issues instead of real, pressing ones. The value of code lies in its execution, and developers should prioritize releasing functioning code over perfecting ancillary details. The writer suggests that understanding user needs comes from actual usage of the software, not theoretical considerations. Developers should address existing bugs and user demands rather than getting sidetracked by potential future challenges.