Node.js is single-threaded but very fast, yet CPU-intensive tasks can make your APIs feel slow or frozen. This guide demystifies the ‘Event Loop’ bottleneck using the ‘Single Cashier’ mental model—where one complex order stops the entire line—and demonstrates how to implement Worker Threads to handle heavy operations like image processing without blocking the main thread.

Handling large Excel files in Node.js can be challenging, especially when you need to split them into smaller, more manageable

The Node.js framework is really popular among developers. Still, every developer should be aware of a few little-known facts.  

Are you curious about the changes made to Node 19? Every six months, Node.js releases a significant update. During the