Writing
Notes, explorations, and how-to guides. I write about backend APIs, databases, and automation — mostly Python/Django, Vue/Nuxt, and PostgreSQL.
A Reliable Way to Prevent Duplicate Database Records
Why client-side guards and existence checks fail, and how a PostgreSQL unique constraint makes create endpoints idempotent.
Upload Files to Dropbox using Python
A Python script that uploads files to Dropbox and refreshes its own access token, so scheduled backups keep working without manual re-authorization.