Articles
The detailed versions
Every reel is short on purpose. These are the full explanations, with the details and trade-offs that don’t fit in 60 seconds.
- System Design
Seat booking on release day: same seat, same second, who gets it?
How to design seat booking so two people tapping the same seat at the same second can't both get it, and no seat is lost when a payment fails. The tables, the one UPDATE that holds a seat, the confirm that only works while the hold is valid, duplicate webhooks, multi-seat holds and release-day scale.
- Surya Tech Hub
Why Surya Tech Hub exists
The gap between mid-level and senior is rarely about code. Here's what this channel is about, and who it's for.