@r4dh1k4

How Node.js Handles Multiple Requests with a Single Thread

1h ago · 7 min read · One of the most confusing things beginners hear about Node.js is: “Node.js is single-threaded but can handle thousands of users.” This creates many questions: If Node.js uses one thread, how does i

Setting Up Your First Node.js Application

1h ago · 6 min read · If you want to become a backend developer, one of the first technologies you’ll learn is: Node.js Node.js allows JavaScript to run outside the browser and helps developers build: Servers APIs Real-

JWT Authentication in Node.js

1h ago · 7 min read · Whenever users login into applications like: Instagram Netflix Amazon YouTube the server needs a way to verify: “Who is this user?” This process is called: Authentication One of the most popul

Handling File Uploads with Multer in Express.js

2h ago · 7 min read · Modern applications allow users to upload files like: Profile pictures PDFs Videos Documents Product images But handling file uploads in backend applications is not as simple as handling normal

Storing Uploaded Files and Serving Them in Express.js

2h ago · 7 min read · Modern web applications allow users to upload files like: Images PDFs Videos Documents Profile pictures But after uploading, an important question comes: Where are these files stored? And ano