Get two nibbles from a byte in Ruby [closed]
题
What's the easiest way to get two nibbles (as Integers) from a byte in Ruby?
解决方案
If the "byte" is a number between 0 and 255:
n1, n2 = (byte & 0xf0) >> 4, byte & 0x0f
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题
What's the easiest way to get two nibbles (as Integers) from a byte in Ruby?
解决方案
If the "byte" is a number between 0 and 255:
n1, n2 = (byte & 0xf0) >> 4, byte & 0x0f