Field notes
Longer writing from instructors—expect specifics, humid server rooms, and blunt tool reviews.
2025-11-04
Designing 429 responses clients actually read
Headers matter, but the JSON body still carries the apology. Here is the copy pattern we teach in Ho Chi Minh cohorts.
By Minh Vo
APIs · Reliability · Teaching notes
2025-09-18
Postgres locks in a humid server room
Humidity does not change isolation levels, but patience does. Notes from the on-site lab week.
By Hieu Tran
Databases · Ho Chi Minh · Labs
2024-12-02
Teaching refresh rotation without fear marketing
Security copy can respect nerves. How we narrate token theft scenarios in Node Authentication Patterns.
By Thu Nguyen
Security · Pedagogy
2025-02-26
Queue depth is a conversation starter
BullMQ metrics on a projector still spark better questions than slides alone.
By An Dang
Node.js · Queues · Classroom
2025-06-10
OpenAPI diffs as stand-up theater
Two-column diffs on a wide monitor beat passive PDFs for API review meetings.
By Lan Pham
APIs · Collaboration