bitwise-operators
Generic Bit Macros
I\'m looking for generic bit macros (e.g. extracting or setting multiple bits), so that I don\'t have to reinvent them. On NetBSD I found at least 开发者_运维知识库__BIT and __BITS in <sys/cdefs.h&[详细]
2023-02-07 07:24 分类:问答What is the most portable way to read and write the highest bit of an integer in C?
What is the most portable way to read and write the highest bit of an integer in C? This 开发者_C百科is a Bloomberg interview question. I didn’t give best answer at that time. Can anyone please answe[详细]
2023-02-06 23:32 分类:问答bitwise operators and error levels (php)
I have created a user error handler, and I want to make sure that I am using bitwise operators correctly.[详细]
2023-02-06 23:09 分类:问答int max = ~0; What does it mean?
int max = ~0开发者_运维百科; What does it mean?The ~ operator is the unary bitwise complement operator which computes the bitwise complement. This means that it reverses all the bits in its argument[详细]
2023-02-06 06:29 分类:问答C# Bitwise Operations on shorts - Why cast to an int?
short BitwiseTest(short value) { short test1 = ((value >> 8) & 0xFF); short test2 = unchecked((short)((va开发者_如何学Pythonlue << 8) & 0xFF00));[详细]
2023-02-05 18:26 分类:问答How to split an unsigned short in two
I am trying to parse binary data that I receive in a string. I am not very familiar with bitwise operation.[详细]
2023-02-05 10:57 分类:问答How does this C# operator work in this code snippet?
I found this code snippet on SO (sorry I don\'t have the link to the question/answer combo) bool isDir = (File.GetAttributes(source) & FileAttributes.Directory) == FileAttributes.Directory;[详细]
2023-02-05 08:51 分类:问答XOR from only OR and AND
How do you do the XOR b开发者_如何学JAVAitwise operation if you only have available the AND and the OR operations?Truth table for AND[详细]
2023-02-05 06:49 分类:问答What is the safest way to subtract two System.Runtime.InteropServices.ComTypes.FILETIME objects
I wonder what is the safest way to subtract two System.Runtime.InteropServices.ComTypes.FILETIME objects? I used the following code but sometimes it gives me ArithmaticOverflow exception due to the ne[详细]
2023-02-05 03:59 分类:问答When should I use a bitwise operator?
I read the following Stack Overflow questions, and I understand the differences between bitwise and logical.[详细]
2023-02-05 03:26 分类:问答