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Tip of the Day
Language: VB4,VB5,VB6,VBS
Expertise: Intermediate
Apr 27, 1999



Application Security Testing: An Integral Part of DevOps

BitCount - The number of "1" bits in a number

' The number of 1's in a binary number
' This routine is based on the following property 
' of binary numbers: n And (n-1) always clears the
' least significant "1" bit in the number

Function BitCount (ByVal number As Long) As Integer
    Do While number
        number = number And (number - 1)
        BitCount = BitCount + 1
End Function
Francesco Balena
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