Dev Notes

On JSON.stringify()

Sep 18, 20231 min read

Background When working with a Node.js service, I intended to send a request to another service with JSON: { "name": "Instant noddle", ...

Triggering form submission outside the <form>

Sep 18, 20231 min read

Context Suppose I want to build a checkout page like below: The first box (above) contains the guest form The second box (below) is a bottom sheet...

Logging inside Java Stream

Jul 11, 20231 min read

Background Once upon a time, I wanted to log something that was executed inside the Java stream for debugging purposes. But, I didn't see anything...

Updating database field to NULL in GORM using struct

Jan 10, 20231 min read

Background When I was using GORM as the ORM in Go, I discovered that we cannot update a field into NULL with struct, even though we use a pointer as...

Working with Postgres JSONB in Go

Dec 14, 20221 min read

Background Suppose I want to store and read a JSONB/JSON column from Postgres, how do I do it? Solution Make the data type implements these...

Context key in Go

Nov 28, 20221 min read

When using context in Go, I used to write this kind of context keys. type contextKeyType string const key1 = contextKeyType("key1") const key2 =...