Software built into the cameras on iPhones and Android phones make quick work of decoding QR codes. How do you do that on a laptop or desktop computer?
How-To Geek on MSNOpinion
You need to know what the double unary operator (--) does in Excel
The double dash is crucial for complex array logic operations in your spreadsheet.
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Stacker on MSN
Where to place QR Codes for maximum engagement
Uniqode reports that effective QR Code placement boosts engagement by ensuring visibility, context, and ease of access for ...
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