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React 19 forwardRef Migration: ref as a Prop in TypeScript
TL;DR In React 19, function components receive ref as a regular prop, so you delete forwardRef, re…
The Hidden Cost of AI is Now Governance
For a long time, I thought the biggest cost of AI was the model. Training costs. Inference costs. In…
Hosting vs. website maintenance: what is the difference?
Hosting and website maintenance are related, but they are not the same job. Hosting is the environm…
A marketplace comparison should explain what its price includes
A listing comparison panel sorts ten items by total price. The cheapest result has no shipping infor…
Three ways to build a trading chart: Lightweight Charts, MetaTrader 5 and Highcharts Stock
Every trading chart solves the same problem: thousands of bars, a few dozen lines computed from them…
Static or Dynamic? Why Some "Free" QR Codes Suddenly Stop Working
A checklist before you print flyers, menus or business cards Making a QR code takes about a minute.…
Next.js Open Graph Image Missing? Your Page Replaced It
My homepage had a share image. Fourteen other pages on my site didn't, and nothing told me. I only …
Missing values are not zero in a small TypeScript model
This AI-generated design example is illustrative and does not describe deployed SIGNUM HQ code. A fe…
Meta Ads for Mobile Apps in 2026
--- title: "SKAdNetwork 4.0 and the ROAS Math That Justifies Your Mobile UA Budget" published: true …
Email Test Artifacts Need a Retention Contract
Email tests are often treated as disposable work. A browser test creates an account, requests a veri…
A 5.86 MB font sat in my app for three months. No CSS rule ever referenced it.
Last week I ran a grep I should have run in August: grep -rn "Ma Shan Zheng" src/ One hit. …
Three dates that catch a hard-coded time-zone bug in a session clock
A session that starts at 08:00 local time does not necessarily start at the same UTC hour all year. …