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New Episode of Code and the Coding Coders who Code it! Episode 52 with Valdimir Dementyev

Published: 2025-06-17 | Origin: /r/ruby

The content announces a podcast that releases new episodes on the first and third Tuesdays of each month, focusing on Ruby, Rails, JavaScript, and related topics. Each episode addresses three questions: what the hosts are working on, what challenges they are facing, and something cool they want to share. A key feature discussed is Vladimir Dementyev's (Vova) innovative project that enables Ruby on Rails to run entirely client-side via WebAssembly (WASM). This project aims to make it easier for newcomers

Abstraction != abstractness

Published: 2025-06-17 | Origin: /r/ruby

The content discusses the concept of abstraction, using the example of explaining the cause of an old man's death. Multiple explanations, such as "died of a heart attack" or "died of old age," are valid depending on the level of detail desired. Abstraction is the process of simplifying complex information by focusing on higher-level descriptions, which results in an abstraction—a model representing some aspect of the world at a certain level of detail. The text further illustrates this by contrasting two programs: one

MCP Security Flaws: What Developers Need to Know

Published: 2025-06-17 | Origin: /r/programming

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Polyhedra Viewer

Published: 2025-06-17 | Origin: Hacker News

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Virtual Cells

Published: 2025-06-17 | Origin: Hacker News

The content discusses the evolution of biological modeling and AI in scientific research, emphasizing how they contribute to modern biology. It begins with the quote "All models are wrong, but some are alive," highlighting advances such as virtual bacteria and AI-driven treatment recommendations. It traces the origins of this scientific journey back to 1952, when Alan Hodgkin and Andrew Huxley developed equations to describe and predict nerve activity, marking a significant shift in understanding life through mathematical modeling. After decades of stagnation due to

Show HN: I recreated 90s Mode X demoscene effects in JavaScript and Canvas

Published: 2025-06-17 | Origin: Hacker News

The content is a brief note about a simulation created in JavaScript by Justin Greisiger Frost. It mentions that users can use the keys 0-9 or click buttons to switch between demos. The copyright is attributed to Justin Greisiger Frost for the years 2021-2025.

Why Generative AI Coding Tools and Agents Do Not Work For Me

Published: 2025-06-17 | Origin: /r/programming

The author shares their perspective on using Generative AI tools for coding, emphasizing that while they are not outright against AI, they find these tools ineffective for increasing productivity. They argue that the main issue is that reviewing AI-generated code takes as much, if not more, time than writing code themselves, as they need to ensure understanding and confidence in modifying it. The author references a common saying in the industry about the difficulty of reading versus writing code, underscoring their point that reviewing unfamiliar code is a

The Humble Programmer (1972)

Published: 2025-06-17 | Origin: Hacker News

In "The Humble Programmer," Edsger W. Dijkstra reflects on his entry into the programming profession in 1952, noting that he may have been the first programmer in the Netherlands. He discusses the slow emergence of programming as a recognized field and shares a pivotal conversation with his boss, A. van Wijngaarden, regarding the legitimacy of programming as a profession. Dijkstra expresses his initial doubts about its intellectual respectability compared to the physical sciences, feeling a lack of foundational knowledge to

Selfish reasons for building accessible UIs

Published: 2025-06-17 | Origin: Hacker News

In a blog post dated June 16, 2025, Nolan Lawson discusses the challenges of prioritizing web accessibility for developers under tight deadlines. While many advocates emphasize the moral imperative of making the internet accessible to disabled individuals, Lawson suggests this approach is often ineffective in changing behavior. Instead, he offers personal reasons for building accessible user interfaces (UIs) based on self-interest. He emphasizes that accessible design makes it easier to debug web applications, as clearer hierarchies and naming conventions help developers navigate

What happens when clergy take psilocybin

Published: 2025-06-16 | Origin: Hacker News

The content summarizes a controversial study from nearly a decade ago, where a diverse group of religious leaders, including a Baptist scholar, a Catholic priest, and rabbis, took high doses of magic mushrooms (psilocybin) in a lab setting. The study's findings, published in the journal *Psychedelic Medicine*, revealed that over 90% of the 33 clergy members found the experience to be spiritually significant, with many stating it was among the most profound experiences of their lives.

Show HN: Chawan TUI web browser

Published: 2025-06-16 | Origin: Hacker News

Version 0.2.0 of the Chawan TUI browser has been released, with a source tarball and a static binary distribution available for amd64 Linux. Installation involves extracting the archive and using `make install` as root, with `make uninstall` for removal. Additionally, a .deb package is provided. The release has eliminated previous dependencies such as zlib, libseccomp, termcap/ncurses, and libcurl. Users facing packaging issues should reach out for assistance before

HTML spec change: escaping < and > in attributes

Published: 2025-06-16 | Origin: /r/programming

The content describes recent updates to the HTML specification regarding the escaping of `<` and `>` characters in attributes to enhance security by preventing mutation XSS (mXSS) vulnerabilities. This update became effective in Chrome version 138 and is set to be stable by June 24, 2025. The blog post outlines how this change impacts web developers, detailing potential breakages and the security rationale behind it. For example, if a `<div>` element has an attribute `data-content` with

phkmalloc Saga

Published: 2025-06-16 | Origin: /r/programming

Jason Evans has officially retired jemalloc and acknowledged "phkmalloc," the memory allocation system developed by the writer. The writer reflects on the history of memory allocation in FreeBSD, noting that it inherited Chris Kingsley's malloc from BSD, which was functional but not given much attention until the mid-1990s when rising RAM prices made efficient memory usage critical. The writer, being a release engineer with only 4MB of RAM, faced notable paging issues, especially when running GCC and Tcl/Tk

Show HN: Canine – A Heroku alternative built on Kubernetes

Published: 2025-06-16 | Origin: Hacker News

The content emphasizes the importance of user feedback and highlights the features of Canine, an intuitive deployment platform for Kubernetes clusters. It suggests that users can run the platform manually and customize settings via environment variables. Canine Cloud also provides extra features tailored for small teams, with more details and pricing available on their website. The platform operates under the Apache 2.0 License and repeatedly notes that there were errors loading the page.

Darklang Goes Open Source

Published: 2025-06-16 | Origin: /r/programming

Dark Inc. has officially shut down and transitioned to Darklang Inc., open-sourcing all its repositories under the Apache License 2.0. Historically, they faced challenges around sustainability and empowering developers, leading them to adopt a unique architecture that originally centered on a hosted platform. This model was designed to ensure safe code migration and unified deployment, which they believed would not be viable with self-hosting. Over time, three significant shifts influenced their decision to open source: the maturity of their product and user

ReactOS Merges Better Support For Fullscreen Applications

Published: 2025-06-16 | Origin: /r/programming

Michael Larabel is the founder and principal author of Phoronix.com, which he established in 2004 to enhance the Linux hardware experience. He has authored over 20,000 articles on Linux hardware support and performance topics and is also the lead developer of several benchmarking tools, including the Phoronix Test Suite and OpenBenchmarking.org. Phoronix Premium offers an ad-free experience and additional features while supporting the site's operations. Users can also contribute through tips or donations. The site maintains a

Programming's Greatest Mistakes • Mark Rendle

Published: 2025-06-16 | Origin: /r/programming

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Benzene at 200

Published: 2025-06-16 | Origin: Hacker News

Benzene, a compound first isolated by Michael Faraday in 1825, is celebrated for its significant impact on chemistry and various industries. Faraday discovered benzene while examining the components of illuminating gas, noting its aromatic smell and unique properties that defied simple chemical classification. Its stability and distinctive cyclic structure were not understood until later in the 19th century. Benzene, a colorless and volatile liquid, became a crucial solvent due to its ability to dissolve nonpolar substances. Its re

CI/CD Observability with OpenTelemetry - A Step by Step Guide

Published: 2025-06-16 | Origin: /r/programming

In the realm of CI/CD, gaining insights into pipeline performance is essential. GitHub Actions is widely used for automating builds and deployments, yet debugging issues can be challenging without clear visibility. OpenTelemetry (OTel) offers a solution by enabling the collection of traces, metrics, and logs in a standardized manner. This guide focuses on configuring OpenTelemetry for GitHub Actions to enhance observability. By instrumenting GitHub Actions with OTel, users can achieve end-to-end visibility of workflows, optimize

Working on databases from prison: How I got here, part 2.

Published: 2025-06-16 | Origin: /r/programming

On June 16, 2025, an individual announced their new role as a software engineer at Turso, sharing their remarkable journey from incarceration to employment in the tech field. Writing from a state prison, the individual described how they turned their life around after enrolling in a college program that allowed limited computer access, reigniting their passion for programming. They spent considerable time on projects and open source contributions, which led to their selection for a remote work program allowing inmates to seek employment. This path led