Backend notes

Updated:25 Jul, 2026

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机制瓶

Backend notes cover how servers run and how they fail in production: protocols, concurrency, storage, cache, queues, auth, debugging. Tag: Backend notes.

One thread is Request Crossing — walking a single request downward. Two posts so far:

Where timeouts bite after HTTP enters a Go process
How Handler Context reaches database queries

Next on that line: connection pools vs request lifetime, and aligning gateway timeouts with the server. Related posts carry both 后端专栏 and 请求过境.

后端专栏

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接着读

How Handler Context reaches database queriesWhen Request.Context is canceled, and how database/sql QueryContext carries that cancel into a query from a business Handler.同属后端专栏 · 同系列第 1 / 3 篇
Scroll storytelling: smooth scroll, pin, parallax, progressA zero-dependency demo of four scroll storytelling techniques: smooth scrolling, pinned horizontal travel, parallax layers, and a scroll-driven counter, with a GSAP and Lenis counterpart.
Running 24,000 particles with raw WebGLGenerate the initial particle data once, then calculate each frame's positions in a vertex shader. The complete interactive demo runs inside the post.

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