Overview: The Python QRCode library is witnessing growing adoption as developers seek simple ways to generate QR codes in ...

You receive a postcard in the mail from Colorado Springs. It says, “Wish you were here.” You look at it more carefully and notice the photograph is of a dead man. No, wait! A dead man—and a dead woman ...

QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account information, phone numbers, or even coupons. QR codes are found everywhere from ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

QR codes are those funky two-dimensional bar code or matrix codes (pictured) that are starting to crop up on products, posters and places all over the physical world. These little bar codes are easily ...

While they may not be the all-in-one solution some had envisioned, QR codes are still very popular. It’s easy to understand why, too — just point your camera or scanner at a QR code, and you’re ...

As smartphones have become more and more ubiquitous, so have QR codes. These maze-looking squares are a type of matrix bar code that contains data — usually, QR codes point to a website or open a ...