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Synchronous Queues For VirtIO-FS Show Huge Performance Potential

VirtIO-FS as the shared file-system for transferring data between guest VMs to/from a host server is showing some promising performance results with pending code for allowing synchronous queues rather than always being asynchronous...

We haven't written up this one. Phoronix has the full story — the link below goes straight to it.

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Why your generated Anki image occlusion cards import as plain cloze (and the one-line fix)

I've been building AnkiForge , a web app that turns lecture PDFs and labelled diagrams into Anki cards. For diagrams it makes image occlusion cards: every label on, say, a heart diagram gets hidden…

  • Anki generates image occlusion cards from lecture PDFs and diagrams
  • Missing ORIGINALSTOCKKINDIMAGEOCCLUSION flag hides image occlusion button
  • Removing flag allows desktop UI to recognize cards as image occlusion

What jstack Misses When Your Java Service Uses Virtual Threads

Take a Spring Boot service with virtual threads enabled, a HikariCP pool of 10 connections, and roughly 5,000 requests in flight. Latency is climbing.

  • jstack tool may miss virtual threads in JDK 21-25
  • jcmd command with Thread.dumptofile captures virtual threads
  • Analyzing dump files reveals resource causing delays

Whatever You Say Bounces Off Me and Sticks to You

Stephen Nellis and Deepa Seetharaman, reporting Wednesday for Reuters: An OpenAI employee who left the ChatGPT maker for Apple sent more than 100 files about an unreleased product to a personal…

  • OpenAI accuses former employee of leaking confidential product details to Apple.
  • Employee allegedly shared over 100 files to personal account and presented to Apple leaders.
  • OpenAI's lawsuit cites Apple's HomeView product as evidence of AI development.

How We Built a 100% In-Browser Image to Bead Pattern Generator (CIE Lab Color Matching & Zero-Cost Architecture)

When converting user-uploaded photographs into physical fuse bead patterns (such as Perler, Hama, or Artkal beads) or retro 8-bit game sprites, most web services take the expensive path: upload the…

  • Use CIE Lab color space for accurate bead color matching
  • Precompute bead palette vectors and use K-d tree for efficient searches
  • Implement Floyd-Steinberg error diffusion for downsampling and color banding reduction

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