Blog

Occasional yapping.

• Feb 15, 2026·5 min

  ·Web / Browser / Networking

  How ad-blockers actually work, and why they don't speed up the page

  I thought ad-blockers stopped ads from downloading. Turns out half the time, they don't. The download already happened. The block is what you see.

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• Feb 8, 2026·7 min

  ·Applied ML / Research / Numerical Methods

  What I learned co-writing an applied-ML paper on cerebral aneurysms

  We replaced an expensive CFD simulation with a neural network surrogate. The trick wasn't the network. It was throwing 99% of the dimensions away first.

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• Jan 22, 2026·6 min

  ·Redis / Concurrency / Backend

  Atomic Redis counters and the race condition that took me three tries

  I had a rate limiter. It capped most users at 100 emails per hour. A few got to send 105. The bug: INCR was atomic. My code wasn't.

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• Jan 15, 2026·5 min

  ·Backend / Queues / Redis

  Why I queue emails instead of sending them

  A 12k-row CSV taught me that sending email synchronously is a request-handling bug in disguise. Here's the rewrite that fixed it.

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• Nov 10, 2025·6 min

  ·Performance / Next.js / Open Source

  How I cut a Next.js page's TBT from 510ms to 300ms in one PR

  HacktoberFest 2025. PrivGPT-Studio's docs page was sluggish on mobile. Profiling found three problems I would never have guessed from reading the code.

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