bitwise-operators
What does this expression do?
Is there any interpretation of this expression in the decimal system? In other words, is it an efficient implementation of calculation using the lo开发者_开发问答gical operation in place of arithmetic[详细]
2023-01-30 21:31 分类:问答Are there any performance costs associated with using bitwise operators?
In order to reduce the amount of data being retrieved from my server by Ajax requests, I\'m planning on converting about 30 boolean fields into one binary number, and then using bitwise operators to m[详细]
2023-01-30 01:53 分类:问答What is going on when you execute `cout << "output";` in C++?
I\'m trying to understand what\'s really happening when I compile and execute C++ code, but the line cout << \"output\"; has me a bit confused.[详细]
2023-01-28 23:33 分类:问答Inverting a binary value of a number
I would like first to convert a number to binary, then invert it bitwise. Like this: Number is 793 = 1100011001[详细]
2023-01-28 18:59 分类:问答Explanation of Bitwise NOT Operator
Why is it that 开发者_开发百科the bitwise NOT operator (~ in most languages) converts the following values like so:[详细]
2023-01-27 11:36 分类:问答How do GPUs (Geforce 9800) implement bitwise integer operations?
CUDA gives the programmer the possibility to write something like a & b | ~ c (a, b开发者_运维知识库, c being unsigned ints).[详细]
2023-01-26 10:27 分类:问答How to produce 8 bytes from 4 bytes with a reproducible operation?
I\'ve 4 bytes of data and need an 8 bytes array for a security operation. I should pro开发者_开发技巧duce these 8 bytes form the 4 bytes byte array and this should be reproducible.[详细]
2023-01-26 01:57 分类:问答Why does SELECT 2^3 return 1 in SQL Server? [duplicate]
This question already has answers here: Closed 10 years ago. 开发者_如何学Go Possible Duplicate: What does a caret (^) do in a SQL query?[详细]
2023-01-23 21:23 分类:问答Bit operation question
Is there a bit operation or a series of bit operation开发者_开发百科s that would give me the following result?[详细]
2023-01-23 11:36 分类:问答What does x >>> 0 do? [duplicate]
This question already exists: Closed 12 years ago. Possible Duplicate: What good does zero-fill bit-shifting by 0 do? (a >>> 0)[详细]
2023-01-23 08:54 分类:问答