bitwise-operators
What is the most efficient way of finding the index of the left/right-most unset bit in Java?
Let\'s assume that we have int x = 371, that is in binary format 101110011. I want to find the index of the left-most unset bit (in this case 7), and the index of the right-most unset bit (in this cas[详细]
2023-03-16 03:48 分类:问答how to use inverse in C
[how to use ~ operator ] I have a structure say Alpha.I know the value of element inside Alpha (say a) which can be 0 or 1 - I want the other element of same structure to take inverse value of Alpha.[详细]
2023-03-15 18:59 分类:问答What is C# exclusive or `^` usage? [closed]
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a[详细]
2023-03-14 13:29 分类:问答Bitwise operation result, strange behavior when outputted
It looks like my previous question update haven\'t been noticed, therefore a new question. #dump1 var_dump(\'two identical strings\' | \'two identical strings\'); # mind the |[详细]
2023-03-14 08:35 分类:问答Efficiently find binary strings with low Hamming distance in large set
Problem: Given a large (~100 million) list of unsigned 32-bit integers, an unsigned 32-bit integer input value, and a maximum Hamming Distance, return all list members that are within the specified H[详细]
2023-03-14 04:19 分类:问答Why hasn't my variable changed after applying a bit-shift operator to it?
int main() { int i=3; (i << 1); cout <开发者_开发问答;< i; //Prints 3 } I expected to get 6 because of shifting left one bit. Why does it not work?Because the bit shift operators return a[详细]
2023-03-13 19:25 分类:问答Bitwise operator for simply flipping all bits in an integer?
I have to flip all bits in a binary representation of an integer. Given: 10101 The output should be 01010[详细]
2023-03-13 05:21 分类:问答Bit shift operators
I came across such a programming interview question. But it is not obvious to me how you know bit shift can be used here.[详细]
2023-03-12 18:58 分类:问答sql stored procedures and bitwise operators
I have a categories table: id;description;special ---------------------- 1;Spares;TRUE 2;Accessories;TRUE[详细]
2023-03-10 13:23 分类:问答callback function return return($var & 1)?
I have read the PHP Manuel about array_filter <?php function odd($var) { // returns whether the input integer is odd[详细]
2023-03-10 03:48 分类:问答