hello ,
today i read about barcodes and QRcodes . well i see barcodes / QR codes and often see them on almost every product. But as a programming learner , i wanna know about what they represent ?, how they are created(with which information) ?, how they are read by our application ? does any application can read any barcode ?
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Jump to Posti wanna know about what they represent
Usually a product number, but QR code is designed to contain something larger, like an URL.
how they are read by our application
Usually by an external scanner. These scanners read the image and convert it into plain text, …
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