Utility Guides
Barcode vs QR Code: Which One Do You Actually Need?
Barcodes identify products; QR codes deliver content to phones. Capacity, scanning hardware, error correction and the decision table…
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Small guides for handy tasks: strong passwords and passphrases, QR codes, file checksums, ZIP files, word counts and other quick utilities that save a trip to a sketchy download site.
Barcodes identify products; QR codes deliver content to phones. Capacity, scanning hardware, error correction and the decision table…
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