Difference between a barcode and a QR code

Difference Between a Barcode and a QR Code: A Barcode is a 1-D code that contains just simple numbers or letters. A QR Code ...
Post-Bulletin

Deciphering the matrix: How to use QR codes and Microsoft Tags

Is it a printing error? A pixilated maze? One of those puzzles where you have to cross your eyes to see the hidden image? Two-dimensional matrix bar codes are expanding into the mainstream. You can ...
Visual Studio Magazine

Matrix Inverse from Scratch Using QR Decomposition with C#

Dr. James McCaffrey of Microsoft Research guides you through a full-code, step-by-step tutorial on "one of the most important operations in machine learning." Computing the inverse of a matrix is one ...
Android Police

QR codes: Everything to know about the machine-readable code

I am an author and features writer at Android Police. I primarily writes guides, how-tos, and roundups on the latest smartphone apps and features for Android Police since joining the team in early ...

In 1994, Denso engineers redesigning production labels unexpectedly invented the modern QR code

Born from a manufacturing floor's frustration, the QR code's origins are far from modern tech. Developed in 1994 by Denso ...