Don't Repeat Yourself (DRY)
The DRY principle: Don't Repeat Yourself.
IfSQ Defect Indicators based on this finding:
Numeric literals (other than 0 or 1) have been hard-coded into the body of a program.
A string literal has been hard-coded into a statement that influences the flow of a program.
An identical or largely similar section of code appears in two or more places in the same source code file.