XOR
What is the most effective way to erase individual bits in a bitset? is it XOR or AND/NOT?
I have a large bitset that I want to frequently reset individual bits in it. Which method is faster? a) bitset[word_index] ^= 1 << bit_index[详细]
2022-12-19 11:24 分类:问答Implementing XOR in a simple image encryption method
So with the help of you guys I finished creating my very simple image encrypter. It\'s enough to keep any non-tech person out, right? :P[详细]
2022-12-16 17:12 分类:问答Why does the xor operator on two bytes produce an int?
//key & hash are both byte[] int leftPos = 0, rightPos = 31; while(leftPos < 16) { //possible loss of precision. required: byte, found: int[详细]
2022-12-15 22:35 分类:问答Why does "x ^= true" produce false in this example?
Why does the statement z ^= true produce a false when the previous produces a true ? bool v = true; bool z = false;[详细]
2022-12-15 08:16 分类:问答Difference between ^ Operator in JS and Python
I need to port s开发者_运维百科ome JS code which involves Math.random()*2147483648)^(new Date).getTime(). While it looks like for smaller numbers, the python function and the JS function are equivalen[详细]
2022-12-11 07:15 分类:问答128-bit type error
Thanks to pbos help and its program (published here, for xoring a big file), I performed some tests and I see that I have another problem: having开发者_如何学Python changed the mask by another one of[详细]
2022-12-10 19:08 分类:问答XOR on a very big file
I would like to XOR a very big file (~50 Go). More precisely, I would like to do so by XORing each block of 32 bytes of a plaintext file (because of lack of memory) with the key 3847611839 and create[详细]
2022-12-10 03:27 分类:问答超详细注释之OpenCV按位AND OR XOR和NOT
这篇博客将介绍如何使用OpenCV应用按位AND、OR、XOR和NOT。上一篇学习了如何从图像中裁剪和提取感兴趣的区域(ROI),截取的都是矩形。但是如果想裁剪一个非矩形区域呢?该怎么办?答案是同时应...[详细]
2022-12-01 09:53 分类:开发