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Why SQL Is Still So Important: How Databases Power Modern Apps
access_time 2026-10-03T09:41:43.113Z face Anas Khan
Why SQL Is Still So Important: How Databases Power Modern Applications You can build a beautiful app, add AI features and create a smooth user interface, but there is one problem: where does all the data actually live? Behind modern applications, databases quietly store, organize and retrieve the in...
How UPI Payments Work: What Happens When You Scan a QR Code?
access_time 2026-10-02T12:40:09.734Z face Anas Khan
How UPI Payments Work: What Happens Behind the Scenes When You Scan a QR Code You scan a QR code, enter your UPI PIN, and within seconds the payment is done. But what actually happens between those two taps? Let's look behind the scenes of a UPI payment and understand how QR codes, apps, banks and t...
What Happens When You Type a URL and Press Enter? A Complete Guide to How the Internet Works
access_time 2026-09-26T07:32:56.253Z face Anas Khan
What Happens When You Type a URL and Press Enter? A Complete Guide to How the Internet Works From your keyboard to the web server and back to your screen, a lot happens in just a few seconds. September 26, 2026 ``` You Press Enter. What Happens Next? Think about the last time you opened a website. Y...