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Flashcardx - between code and diapers

Published: 2025-11-07 | Origin: /r/ruby

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The expressive power of constraints

Published: 2025-11-07 | Origin: /r/programming

The content states that feedback is carefully considered and valued. It also mentions that users can view all available qualifiers in the documentation. Additionally, there was an error loading the page, and users are prompted to reload it.

Why Counter Strike Netcode Rubber Bands You to Death

Published: 2025-11-07 | Origin: /r/programming

Of course! Please provide the content you would like summarized.

A Fond Farewell from Farmers' Almanac

Published: 2025-11-07 | Origin: Hacker News

The Farmers' Almanac has announced that its 2026 edition will be its last, concluding over 200 years of publication. The decision is steeped in emotion, as the Almanac has been a cherished resource for generations, providing weather information, gardening advice, and various insights. The team expresses gratitude to its loyal readers and contributors, encouraging them to keep the Almanac's spirit alive through shared traditions and memories. While the print and online versions will cease after 2025, the legacy of

A Note on Fil-C

Published: 2025-11-07 | Origin: Hacker News

You have been selected to complete a CAPTCHA to validate your requests. Please do so below and submit. Copyright information for Dreamwidth Studios, LLC, from 2009-2025 is also included.

Scientists find ways to boost memory in aging brains

Published: 2025-11-07 | Origin: Hacker News

Virginia Tech researchers have discovered that memory loss in older individuals is linked to specific molecular changes in the brain, rather than being a mere consequence of aging. In two studies, led by Timothy Jarome and his graduate students, they utilized gene-editing tools on rats to target these age-related changes and enhance memory performance. Their research identified that disruptions in the process of K63 polyubiquitination—responsible for tagging proteins to facilitate brain cell communication and memory formation—occur as the brain ages.

When did people favor composition over inheritance?

Published: 2025-11-06 | Origin: /r/programming

The phrase "favor composition over inheritance" is often used in software design, but it’s important to delve deeper into its origins and implications rather than accepting it at face value. This principle is derived from the Design Patterns book by the "Gang of Four," where it emphasizes using object composition instead of class inheritance. The discussion contrasts inheritance as a “white box” approach, where the inheriting class sees the details of the parent class, with composition as a "black box" approach, giving access only

Game design is simple

Published: 2025-11-06 | Origin: Hacker News

Raph Koster, a game designer, outlines a twelve-step program to understand game design, emphasizing that "fun" is not always a useful term in this context. He differentiates between various types of fun, stating that the concept of "mastery of problems" is central to game design, indicating that activities that challenge players—even if painful—can still be engaging. Koster argues that all game systems should focus on problem-solving, while also acknowledging that not all interactive entertainment needs to be centered

Many Posts on Kaggle are Teaching Beginners Wrong Lessons on Small Data - They celebrate high test set scores that are probably not replicable

Published: 2025-11-06 | Origin: /r/programming

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How I stopped worrying and learned to love the easy fix

Published: 2025-11-06 | Origin: /r/programming

The author reflects on their experience as a software engineer, noting the challenges of striving for clean, ideal systems. While cleaner systems are beneficial for development and maintenance, the author's obsession with achieving the perfect solution negatively impacted their work. They recount a specific instance at re:cap involving data connections and error handling; instead of implementing a simple fix to log the latest error, they pursued a more complex "right" solution that required significantly more effort. This fixation on perfection led to difficulties in debugging and increased strain

Analysis indicates that the universe’s expansion is not accelerating

Published: 2025-11-06 | Origin: Hacker News

A new study published in the Monthly Notices of the Royal Astronomical Society suggests that the universe's expansion may be slowing down, contrary to the previously held belief that it was accelerating due to dark energy. This research, led by Professor Young-Wook Lee from Yonsei University, presents evidence that the universe has entered a phase of decelerated expansion and that dark energy evolves more rapidly than previously understood. If confirmed, these findings could significantly alter current cosmological theories and help resolve existing discrepancies, such

You should write an agent

Published: 2025-11-06 | Origin: Hacker News

The content discusses the varying degrees of understanding technology, contrasting simple concepts like boiling water with more complex ones like learning to ride a bicycle. It highlights the significance of Large Language Model (LLM) agents, suggesting that, regardless of personal opinions about them, they represent a major idea in computing. The author encourages engaging with LLM agents as both a means of accurately forming opinions and for the surprising programming experience they offer. The simplicity of implementing an LLM agent using the OpenAI Responses API is emphasized

Two billion email addresses were exposed

Published: 2025-11-06 | Origin: Hacker News

A recent report details the alarming discovery of nearly 2 billion unique email addresses and 1.3 billion unique passwords, with 625 million of those passwords being previously unknown. This collection marks the largest dataset ever processed by the researchers. The data stems from various breaches, where stolen email addresses and passwords are often reused, making them vulnerable across multiple platforms due to common password practices among users. The author discusses the importance of verifying such data and shares personal findings of having their own old email and password found

The latest news in the React world: React Conf wrapup; React 19.2, the React Foundation, React Native removing old architecture. Next.js has too many directives

Published: 2025-11-06 | Origin: /r/programming

The transcript from the October 30, 2025 edition of "This Month in React" features a discussion among three participants: Carl, Mark, and Mo. Carl hosts the event, providing insights into community programs and tools at React Flux. Mark, affiliated with Replay.io, introduces recent developments in the Immer library, explaining his extensive efforts (over 120 hours) to improve its performance following user feedback. He highlights minor adjustments and mentions that Immer 10.2 has been released, with larger

Battle-Tested Lessons From 10 Years In A Single Codebase

Published: 2025-11-06 | Origin: /r/programming

The article from Revelry discusses the valuable lessons learned from working on a single codebase for an extended period, emphasizing the unique insights gained from long-term experience. The author reflects on their early career, where they spent over ten years on one project, which allowed them to develop a deep understanding of the code and its challenges. This experience highlighted how past decisions, initially justified, could lead to complications in software maintenance and development. Over time, the author learned to recognize their mistakes, accept the need for

Rails 8.1: Resilient Jobs, Better Logs, and Local CI

Published: 2025-11-06 | Origin: /r/ruby

Rails 8.1 has been released with a focus on enhancing developer experience and production reliability. Key features include Active Job Continuations, structured logging, and local CI. Active Job Continuations allow jobs to be segmented into manageable steps that can resume after interruptions, similar to savepoints in video games. This feature is beneficial for long-running processes, as it prevents the need for starting jobs from scratch when interrupted. It supports a cursor method that saves the processing state, allowing continuation from the last completed

Kimi K2 Thinking, a SOTA open-source trillion-parameter reasoning model

Published: 2025-11-06 | Origin: Hacker News

Sure! Please provide the content you'd like me to summarize.

Upgrade to Puma 7 and Unlock the Power of Fair Scheduled Keep-alive

Published: 2025-11-06 | Origin: /r/ruby

The content promotes Heroku's advanced AI Platform as a Service (PaaS) designed for easy app deployment and scaling. It highlights how Salesforce has enhanced developer productivity for 15,000 engineers using Heroku and AI solutions. Heroku offers a flexible platform that supports multiple programming languages, allowing developers to concentrate on building apps rather than managing infrastructure. The platform serves various industries, including Healthcare, Entertainment, Automotive, Retail, and FinTech, helping businesses innovate and scale. A specific customer success story

Scaling Sideways: Why You Might Want To Run Two Production Apps

Published: 2025-11-06 | Origin: /r/ruby

Jon Sully discusses optimizing a customer's public website for SEO, emphasizing the performance of their Rails application, which includes a public website, user portals, and an admin backend. The core solution proposed was to run a second production application instance, which mirrors the main app's code and environment but operates separately. This approach helps improve the public website's performance, crucial for their SEO-driven business, as slower segments of the app can slow down the overall performance. Sully invites discussions on scaling and performance strategies,

Pool allocator in C++23 for simulations / game engines - faster than std::pmr

Published: 2025-11-06 | Origin: /r/programming

The provided content discusses "metapool," a high-performance, cache-optimized memory allocator designed specifically for game engines, written in C++23. It emphasizes its unique pool-style allocation layout aimed at optimizing for expected allocation patterns, distinguishing it from general-purpose allocators. Key features include: - A header-only design with no external dependencies, just include `mtp_memory.hpp` to use. - An allocator that can be up to approximately 1300 times faster than `malloc` and 3.