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JS runtimes, frameworks, and edge/serverless adapters.
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Designing a deterministic browser-side photo analysis flow
2+ hour, 13+ min ago (196+ words) While building a small browser-based facial-proportion tool, I found that a few engineering choices matter more than adding another model. The pipeline starts with 478 detected facial landmarks and derives four displayed proportions: harmony, symmetry, eye area, and jawline. The important…...
Production API Key Rotation Explained: 6 Least-Privilege Checks for Node.js GitHub Actions
5+ hour, 18+ min ago (886+ words) Short answer: use two narrowly scoped API keys, switch traffic with an explicit activation step, and revoke the old key only after logs and live requests prove the cutover. For a property-management service, that sequence rotates a production credential without…...
2+ hour, 47+ min ago (99+ words) Synchronous JavaScript executes code one statement at a time, in order. Each task generally has to finish before the next one runs.Continue reading on Medium » 𝗦𝘆𝗻𝗰𝗵𝗿𝗼𝗻𝗼𝘂𝘀 & 𝗔𝘀𝘆𝗻𝗰𝗵𝗿𝗼𝗻𝗼𝘂𝘀 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁. Synchronous JavaScript executes code one statement at a time, in order....
Designing Frontend Interfaces for Unreliable Networks and Low-End Devices
7+ hour, 46+ min ago (345+ words) This isn't a list of generic performance tips. It's the specific set of decisions that matter once you stop assuming a fast, stable connection and a capable device. The bigger lever is optimistic UI: update the interface as if the…...
The 200-result ceiling that forced a tiled crawler
9+ hour, 20+ min ago (1710+ words) One Google Maps query stops at roughly 200 results. Every other decision in this pipeline falls out of that single number. I live in Dubai. Google Maps knows every plumber, nursery and blood-test lab in the city. No tool lets me…...
Why we moved our Backstage platform from Yarn to pnpm
9+ hour, 35+ min ago (1339+ words) What Git worktrees, parallel coding agents, and a cache pointing at the wrong directory taught us... Tagged with backstage, npm, devops, productivity....
Day 0 of a Linux Challenge and the Prompt I Almost Got Wrong
10+ hour, 33+ min ago (550+ words) I signed up for the Black IT Academy Linux Upskill Challenge. Twenty lessons, one server, a cohort in Slack, and a rule that you keep a public journal of what you did every day. Day 0 was today. The only goal…...
The measurement in my permanent log was a string literal
10+ hour, 46+ min ago (474+ words) This line is in a record I cannot edit, because the record is append-only and that is the point of it: It reads as a measurement that found nothing. It is a placeholder. The three zeros are characters in the…...
A 201 response is not an integration test: testing the webhook and final state
10+ hour, 57+ min ago (861+ words) A payment API can create a resource successfully while the work behind that resource is still pending. If the test stops at 201 Created, it has checked resource creation, not the completion of the payment workflow. I'm the developer of Lucidra,…...
Secure Your.NET API in 15 Minutes: JWT Authentication Tutorial
7+ hour, 24+ min ago (33+ words) If your API is public by default, you don’t have an API. You have a data leak waiting to happen.” You don’t need …...