My blog posts

Learn how to safely build a concurrent counter in Go using Mutexes, Buffered Channels, and Unbuffered Channels.

Discover how to implement Unit, Integration, and End-to-End testing with Jest, Puppeteer, and Supertest in a Node.js app using an in-memory MongoDB database.

Generating a thumbnail, compressing a video, generating a preview clip, and generating HLS segments using FFmpeg

How to group data by specific date interval using DATE_TRUNC(), EXTRACT(), or TO_CHAR() functions in PostgreSQL.