Why bitwise operatio开发者_如何学编程n (~0); prints -1 ? In binary , not 0 should be 1 . why ?You are actually quite close.
I want to know the logic behin开发者_高级运维d this statement, the proof. The C expression -x,~x+1, and ~(x-1) all yield the same results for any x. I can show this is true for specific examples. I th
Is there a built in functio开发者_Python百科n in python which will convert a binary string, for example \'111111111111\', to the two\'s complement integer -1? Two\'s complement subtracts off (1<<