bit-manipulation

相关标签：javascript jquery android 多少钱 iPhone

python3: How to get logical complement (negation) of a binary number, eg. '010' => '101'?

Maybe I\'m missing something but I c开发者_StackOverflowan\'t find a straightforward way to accomplish this simple task. When I go to negate a binary number through the \"~\" operator it returns a neg[详细]

2023-03-30 01:17 分类：问答
python bitwise operations on C data types?

Is it possible to do bitwise operations on C data types in Python? Python 2.7.1+ (r271:86832, Apr 11 2011, 18:13:53)[详细]

2023-03-29 16:31 分类：问答
represent an integer using binary in java language

Here is the problem: You\'re given 2 32-bit numbers, N & M, and two bit positions, i & j. write a method to set all bits between i and j in N equal to M (e.g. M becomes a substring of N at lo[详细]

2023-03-29 07:58 分类：问答
Bitwise modulus computation

Given two numbers a and b where b is of form 2k where k is unknown.What would be t开发者_Go百科he efficient way of computing a%b using bitwise operator.a AND (b-1) == a%b (when b is 2^k)[详细]

2023-03-28 17:29 分类：问答
How to find first non-repeating element?

How to find first non-repeating element in an array. Provided that you can only use 1 bit for every element of开发者_StackOverflow社区 the array and time complexity should be O(n) where n is length of[详细]

2023-03-28 16:47 分类：问答
Bit shifting coding efficiency (i.e. neat tricks)

I\'m working on a Objective-C program where I\'m getting bitfields over the network, and need to set boolean variables based on those bits.[详细]

2023-03-28 06:57 分类：问答
Octal value throws compiler error but constant does not and they are the same values

This is one of those, why does it happen kind of questions.I need to take an Int32 value and \"OR\" it with the minimum value of its type (as a resulting of porting a 10 year old VBA application).[详细]

2023-03-28 06:14 分类：问答
Testing whether specific bits are set in a DWORD flag

I have a DWORD variable & I want to test if specific bits are set in it. I have my code below but I am not sure if I am transferring the bits from the win32 data type KBDLLHOOKSTRUCT to my lparam[详细]

2023-03-28 01:54 分类：问答
Java get first and last 2 byte from int var

I want convert an int into 2 bytes representing that int. Probably must use bitwise and bit shifting, but I dont know what to do.[详细]

2023-03-28 00:36 分类：问答
Need help understanding usage of bitwise operators

I inherited some code and can\'t figure out one piece of it: byte[] b = new byte[4] { 3, 2, 5, 7 }; int c = (b[0] & 0x7f) &开发者_开发百科lt;< 24 | b[1] << 16 | b[2] << 8 | b[3];[详细]

2023-03-27 09:40 分类：问答