I do know that ~0 will eva开发者_Python百科luate the maximum word sized bit 1s (and thus takes caring of portability), but I am still not getting why ((1 << N) - 1) is discouraged?
I have a small problem with bitmask validation as below: ... if (BitExist(\"52\",\"0x20\")) { //do something
I\'ve set my error_reporting to error_reporting = E_ALL & ~E_DEPRECATED ^ E_STRICT in php.ini. The numerical value according to phpinfo() is 22527.
I have a bit shift mask that represents days in a week: Sunday = 1 Monday = 2 Tuesday = 4 ... Saturday = 64
Ok i dont really understand how this loop works, its the logic statement that bugs me the most. permissions is a constant value which I have assigned 127. Roles.java contains constant values that dete
My bit masks are bytes, and I\'d like to keep them exactly as they are, but I think they\'re sign extended.I don\'t care if the byte is considered positive or negative, as long as it has the same bits
The title really says it all: what is the difference between minus one and tilda (ones-complement) zero?
Readng the documentation for a point of sale system, here is the example they give for a mask that is supposed to tell you what seats are selected. I开发者_运维知识库 can\'t figure this out. I complet
I wanted to track some options via bitmask\'ing them, and borrowed bitmask values from this answer,开发者_如何转开发 yet they not seem to work together.
I am not sure if I am doing something wrong, but I can\'t seem to have this simple javascript to work:
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