codify

 https://www.google.com/search?q=codify

11 proven practices for peer code review

http://www.ibm.com/developerworks/rational/library/11-proven-practices-for-peer-review/

https://www.google.com/search?q=code+review

soft

 https://www.google.com/search?q=soft+code

hard

 https://www.google.com/search?q=hard+code

decode

 https://www.google.com/search?q=decode

coder

 https://www.google.com/search?q=coder

Pin

 https://www.google.com/search?q=Pin+code

QR

 https://www.google.com/search?q=QR+code