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Articles tagged with #backend
One of the most confusing things beginners hear is: “Node.js is single-threaded.” And then immediately after: “Node.js can handle thousands of requests.” At first, these two statements feel imposs
Imagine you open a website like this: /users/25 And another one like this: /products?category=shoes&sort=price Both URLs send information to the server. But they are used for completely different pu
Imagine your app allows users to upload: profile pictures documents PDFs The moment a file is uploaded, two important questions come up: Where do we store this file? How do we show it back to the
When you log into a website, something interesting happens. You enter your email and password once… but after that, you don’t need to log in again on every page. How does the server remember you? This
Imagine sending a message like this: “Hey… hello… are you there…??” But the other person: Doesn’t reply Misses some words Gets messages in the wrong order Chaos. That’s exactly what would happe
You open a website… And it loads instantly. But have you ever thought: How does the internet actually reach your device? It’s not magic. It’s a chain of network devices working together. Flow of Netw
