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What I Check Before an E-Commerce Website Migration
Website migrations make me nervous. Not because migrations are bad. Because they can change many S…
3 Stripe Connect bugs that silently hold or duplicate seller payouts
3 Stripe Connect bugs that silently hold or duplicate seller payouts If you run a marketplace on S…
I Cloned Instagram's full UI The Two Column Layout (Built With CSS Grid + Flexbox)
A junior dev on my team once spent two days rebuilding the same sidebar layout three separate times,…
Ten rate limiters, and the only hard question was what to key each one on
Rate limiting tutorials spend all their effort on the algorithm. Sliding window versus token bucket,…
null meant unlimited, so our free trial outranked the paid plan
Here is a shape you have written. I have written it a dozen times. export interface PlanLimits { …
Print is a feature: laying out A4 QR sheets in the browser with jsPDF
Our product is a live quiz that people join by scanning a QR code on their table. Which means that b…
The reconnect backoff that punished you for reconnecting
We run a live pub quiz app. A hundred phones in a room, one WiFi access point behind the bar, and a …
Five things that break when you drive a real Chrome over CDP (and how to verify your writes actually landed)
Five things that break when you drive a real Chrome over CDP (and how to verify your writes actually…
I built a 100% client-side image resizer for marketplace sellers (no upload, no server)
If you've ever listed anything on Etsy, you know the ritual: resize to 2000×2000, pad onto a white s…
Azure Virtual Desktop Architec…
Originally published at norvik.tech Introduction Explore the integration of Azure SQL w…
Why I built a real-estate tool with zero real-estate listings
Every property site in Korea (Hogang-no-no, Zigbang, Dabang) shows the same listings with the same a…
The join flow is a URL: designing for a hundred strangers who will not install anything
Here is a product constraint that turns out to be an engineering one. A pub quiz has forty to a hund…