Those newer bar codes are still bar codes, but they are 2-dimensional bar codes, and we call them quick response(QR) codes.
There is no cheat codes for Call of Duty Modern Warfare 3.
There are no "cheat codes"
ASCII code 3 is a heart. Code 42 is a star.
The regular configuration of a QR barcode is 3 squares in the corners of the code and pixelated squares in between them. One could also make custom QR barcodes.
yes
you don't get the codes you unlock them from getting prestige and such.
Sorry there are none.
There is not any
People who deal in decrypting and encrypting codes are called "Cryptographers"
No
Codes called when procedures are grouped together are known as composite codes or bundled codes. These codes represent a combination of related procedures that are typically performed together as part of a single service or treatment.
Yes BUT it is illegal in most modern codes