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.

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

The article discusses the need for low-latency performance in applications such as chatbots, highlighting how modern GPUs can be optimized for running large language models (LLMs) quickly. The authors focus on an aggressive low-latency scenario using the Llama-3.2-1B model, which is memory-bound due to the time it takes to load model weights from GPU memory. They found that existing LLM inference engines, like vLLM and SGLang, utilize only about

Published: 2025-05-27 | Origin: Hacker News

In 2015, a project aimed to create PoE-powered x86 computers and digital signage systems running Windows 10, leveraging Ethernet for power to eliminate the need for traditional AC sources. These devices required around 23W, necessitating the use of PoE+ (802.3at), which provides more power than standard PoE (802.3af). However, some network switches were configured to require LLDP (Link Layer Discovery Protocol) for classifying devices needing over 15.

Published: 2025-05-27 | Origin: Hacker News

OpenTPU is an open-source re-implementation of Google's Tensor Processing Unit (TPU), developed by the UC Santa Barbara ArchLab. The TPU is designed to accelerate neural network inference and is based on details from a research paper by Google. Currently, no formal specifications or interfaces for the TPU have been released. Users can install PyRTL and numpy using pip for simulations. The software includes a matrix multiplication test and a regression test on the Boston housing data, with MATSIZE specified in a

Published: 2025-05-27 | Origin: Hacker News

On May 27, 2025, LLM version 0.26 was released, introducing a major new feature: support for tools that can be accessed through a Python function. This allows users to utilize LLMs from various providers, including OpenAI, Anthropic, Gemini, and local models from Ollama. Key highlights include: - Installation of the latest LLM can be done via pip or pipx, and users are advised to upgrade if they already have an older version. -

Published: 2025-05-27 | Origin: /r/ruby

The author advocates for the use of relational algebra as a powerful alternative to both imperative and functional programming paradigms. Despite common misconceptions that relational algebra is solely for database use, the author argues it can enhance programming productivity, reduce verbosity, and improve correctness in broader applications. In their work, they aim to demonstrate these benefits through an example involving the display and organization of Kanban cards by month, without traditional programming constructs like loops or conditionals. Instead, the focus is on a data-oriented approach, separating

Published: 2025-05-27 | Origin: /r/programming

The content discusses the advantages of using async functions in traits (AFITs) in Rust, particularly how they allow for the direct return of futures from methods. The author illustrates this with an example of an `AsyncIterator` trait that includes an `async fn next` method. The discussion highlights how one might implement an iterator that yields a value wrapped in an `Option`. The author then examines the underlying components of an async function, mainly the Future trait, and considers implementing a future manually.

Published: 2025-05-27 | Origin: /r/programming

Earlier this month, two new Rust-based Python type checkers—pyrefly and ty—gained attention, even though they haven’t officially launched yet. Historically, Python’s type checking has been dominated by mypy and pylance. Although pyrefly and ty have been available for download, there was no formal announcement from Meta or Astral until a recent event at PyCon 2025. During the Typing Summit, attendees received an initial look at these tools, exploring the teams’

Published: 2025-05-27 | Origin: /r/programming

The article summarizes findings from interviews with over 100 companies regarding the management of engineering governance amidst the challenges of development setup entropy. It identifies six operational patterns—such as CI templates, scorecards, and DIY platforms—highlighting their effectiveness and shortcomings in practice. A central theme is the existence of neglected services within IT infrastructures, which, although still operational, suffer from a lack of ownership and outdated documentation, leading to potential vulnerabilities and chaos not due to malice but through gradual entropy. The experiences shared

Published: 2025-05-27 | Origin: /r/programming

The author observes a significant shift in how AI is enabling people to adopt new technologies without deeply understanding them. While this may seem like a productivity boost, it poses a long-term risk. The author shares an experience where a colleague bypassed foundational examples when working on a complex system, opting instead for a quick solution facilitated by AI. This trend of prioritizing immediate results over understanding is seen across technical discussions, leading to a neglect of essential concepts. The author argues that true learning involves breaking down concepts and

Published: 2025-05-27 | Origin: /r/programming

The content highlights a .NET library called Occurify, designed for defining, filtering, transforming, and scheduling instant and period timelines. It supports time zones and cron expressions, enabling users to manage timelines across different regions. Occurify allows users to track astronomical events like sun states without needing to work with fixed timestamps, making time management more intuitive. Users can automate events, like lighting schedules, based on dynamic concepts such as "all sunsets," rather than hardcoding specific times. The library is distributed