Developer Builds Repeatable Test Harness to Objectively Compare Free Coding AI Models

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A software developer found that standard demo prompts gave misleadingly positive impressions of AI coding models, which often failed on real-world tasks. To address this, he built a lightweight Python harness that runs a fixed set of realistic tasks against multiple models and logs the results for comparison. The task suite includes constraint-following, style-matching, bug localization, and a deliberate impossible prompt designed to expose hallucination under ambiguity. Keeping both the tasks and prompt templates frozen ensures that only the model variable changes between evaluations, making comparisons meaningful. The approach is designed to help developers decide whether a free-tier model is genuinely suitable for their specific workflow before integrating it.

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Developer Builds Spider-Man-Themed Portfolio Site Inspired by Peter Parker's Curiosity

A software developer has launched a personal portfolio website called 'Peter Parker's Lab', designed to reflect the spirit of the fictional character rather than follow conventional portfolio templates. The developer drew inspiration from Peter Parker's identity as a curious, experimental builder rather than from Spider-Man's superhero persona. The site serves as a digital lab showcasing ongoing work in areas such as AI, automation, full-stack development, cloud infrastructure, and DevOps. Rather than presenting a static list of skills or repositories, the portfolio is intended to highlight the problems the developer is curious about and the projects they are actively building. The site, hosted at peterparker-lab.vercel.app, is described as version one, with updates planned as the developer's work and interests evolve.

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ProgrammingDEV Community ·

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The CSS :has() pseudo-class, now supported across Chrome, Edge, Firefox, Safari, and Opera without polyfills, allows developers to style a parent element based on conditions inside its child elements. Previously, tasks like highlighting a focused field, showing validation errors, or marking required inputs demanded JavaScript event listeners and class toggling. With :has(), a single CSS selector can replace multiple lines of JS — for example, styling a wrapper when its input receives focus or when it contains an invalid value. Pairing :has() with states like :invalid and :not(:placeholder-shown) enables real-time inline validation that only triggers after user interaction, avoiding premature error messages on page load. While :has() handles most visual state changes natively, developers are advised to remain cautious around accessibility concerns, such as using pointer-events: none alone to disable form submission buttons.

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ProgrammingDEV Community ·

How UPI Handles Millions of Simultaneous Payments Without Crashing

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ProgrammingDEV Community ·

Tim King, Creator of Tripos OS That Powered the Amiga, Dies at 78

Tim King, a British computer scientist who built the operating system at the heart of the Commodore Amiga, passed away in 2026 at the age of 78. As a Cambridge PhD student in the late 1970s, King developed Tripos, a preemptive multitasking OS written in BCPL, which became the foundation of AmigaDOS when Commodore adopted it for the Amiga's 1985 launch. The Amiga's ability to multitask years before Windows or Mac OS was largely due to the maturity of King's earlier work. After his time at MetaComCo in Bristol, King founded Perihelion in 1986 to work on parallel computing and the Helios OS, and later established UK Online, one of Britain's earliest internet service providers. His career spanned three defining decades of computing, leaving a lasting mark on operating systems, personal computing, and early consumer internet.

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