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1. Jjefftk.com/Nov 2, 202601

   Refelting My Keyboard

   The author repaired a Yamaha P85 keyboard with increasingly loud keys after discovering that the felt beneath the “A” key had worn through, causing the hammer to strike plastic. With help from Lily, the author disassembled the keyboard, replaced the keybed cushion felt, and reseated ribbon cables after six keys initially stopped working. The repair cost $60 in parts and about three hours, and the author considered it a satisfying hobby project rather than simply a way to save money.

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2. Tthetrueengineer.com/Nov 2, 202602

   Cache-Line Aware Software Engineering

   Adlet Balzhanov explains how CPU cache lines and cache coherence affect concurrent software, focusing on false sharing. Using a Go example with separate counters for video views and likes, the article shows how fields on the same cache line can repeatedly invalidate each other’s copies across CPU cores, creating performance overhead despite logical independence. It presents padding, such as adding 56 bytes after an 8-byte integer, as a way to place independent fields on separate cache lines. Balzhanov also notes that the explanation simplifies some CPU details and announces that he is joining an unnamed AI infrastructure company.

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3. Wwerd.io/Nov 2, 202603

   Rest of World tells vital stories about the impact of tech on the world. We may lose it anyway.

   The article discusses the prospect that Rest of World may shut down in January, attributing the newsroom’s financial difficulties to declining search and social referrals, AI chatbot intermediation, and reduced engagement from its technology-industry audience. Citing Semafor, it says the tech community has become more inward-looking and conservative as Rest of World has shifted toward critical coverage of technology’s effects on communities worldwide. The author argues that the publication remains vital and questions whether its substantial early funding helped or hindered its ability to become sustainable.

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4. Aaaronparecki.com/Nov 1, 202604

   Identity Assertion JWT Authorization Grant Draft 06 Published

   Aaron Parecki announces draft -06 of the Identity Assertion JWT Authorization Grant (ID-JAG). The article says the latest revisions primarily clarify implementation and interoperability details without changing the flow or overall design, based on experience from new implementations. Notable updates include revised authentication and error handling requirements, support for mTLS alongside DPoP, key-bound ID-JAG use in place of client authentication, new IdP signing-algorithm metadata, and a Privacy Considerations section.

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5. Nnullprogram.com/Nov 1, 202605

   Prospero: a new coding harness for a more civilized age

   The article introduces Prospero, a lightweight coding harness for local and remote AI agents. Its author says it uses a C++ and Dear ImGui interface, consumes substantially fewer resources than competing harnesses, and supports tool use, subagents, remote deployments, desktop control, fuzzing, configurable model endpoints, and external terminals and editors. Prospero emphasizes deadlines, watchdogs, process-tree cleanup, passive rendering, and recovery from intermittent errors. A free Community Edition is available, while the paid Professional Edition adds built-in headless engines and easier remote deployments; Prospero does not include model providers.

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