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Creating QR Codes In Rails
https://www.leighhalliday.com/creating-qr-codes-in-rails
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Barby is a great gem for when you have to generate a barcode or QR code. You can choose to output it as any number of barcode types or as a QR code. This example will use a QR code but I have successfully used the Code128 barcode which is fairly…
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