My blog posts

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.

Exponentiation refers to a mathematical process of multiplying a number by itself. In JavaScript, you can perform it using the ** operator or Math.pow() method.