xor Questions
2
Solved
I was going through a book that explained the xorshift algorithm (I know, basic stuff). Then, while searching a little bit more on the Internet, I found that all the basic examples seem to shift th...
3
Solved
Is there no XOR operator for booleans in golang?
I was trying to do something like b1^b2 but it said it wasn't defined for booleans.
Loathsome asked 12/4, 2014 at 3:22
14
Solved
Looking for a bit of regex help.
I'd like to design an expression that matches a string with "foo" OR "bar", but not both "foo" AND "bar"
If I do something like...
/((foo)|(bar))/
It'll match "...
5
Solved
The Problem
I have two string vectors of different lengths. Each vector has a different set of strings. I want to find the strings that are in one vector but not in both; that is, the symmetric di...
Yardstick asked 5/11, 2013 at 20:9
21
Why is there no logical XOR in JavaScript?
Dabney asked 27/12, 2010 at 17:15
9
I have spent the last 5 hours searching for an answer. Even though I have found many answers they have not helped in any way.
What I am basically looking for is a mathematical, arithmetic only rep...
10
Solved
What is the simplest way to do a three-way exclusive OR?
In other words, I have three values, and I want a statement that evaluates to true IFF only one of the three values is true.
So far, this ...
Bracelet asked 12/8, 2010 at 9:49
5
Solved
I found an observation by testing in C++.
Observation is ,
1 ) If two numbers where both numbers have odd number of set bits in it then its XOR will have even number of set bits in it.
2 ) If two n...
2
Solved
I know that logical AND is &, and logical OR is | in a Pandas Series, but I was looking for an element-wise logical XOR. I could express it in terms of AND and OR, I suppose, but I'd prefer to ...
5
Solved
I'm trying to solve this hackerrank problem https://www.hackerrank.com/challenges/xor-subsequence/problem
from functools import reduce
def xor_sum(arr):
return reduce(lambda x,y: x^y, arr)
def ...
Incomparable asked 21/7, 2022 at 11:58
5
Solved
Is it possible to make a XOR CHECK CONSTRAINT?
I'm doing it on a test table I just made that is called test and has 3 columns:
id, bigint
a, bigint
b, bigint
I made a check constraint for this...
Cloudland asked 26/1, 2017 at 13:28
1
for some reason long to explain I want to do the following bitwise operations in perl:
(let's assume that 1 means true and 0 means false)
$var1="11000001";
$var2="10000101";
$y...
Redford asked 28/5, 2023 at 14:1
2
Solved
The 'xor'-operator in julia is defined by the following symbol: ⊻
If I am not mistaken this is also the only symbol representing 'xor'.
How are you supposed to type this conveniently?
Am I suppose...
12
Solved
Can someone explain to me how XOR swapping of two variables with no temp variable works?
void xorSwap (int *x, int *y)
{
if (x != y) {
*x ^= *y;
*y ^= *x;
*x ^= *y;
}
}
I understand WHAT it...
Teleost asked 30/10, 2008 at 6:37
3
Solved
I'm creating a constraint on a (Microsoft) Sql Server 2008 table. I have two columns that are different datatypes. One column must be null at all times, but not both (A logical exclusive OR/XOR). I...
Karlykarlyn asked 5/12, 2012 at 20:13
3
Solved
I need to find the Hamming distance between two strings:
chaine1 = 6fb17381822a6ca9b02153d031d5d3da
chaine2 = a242eace2c57f7a16e8e872ed2f2287d
The XOR function didn't work, and my search on the w...
4
Solved
I have three boolean values. I need to return false if all three are true or if all three are false. I will return true in every other situation. Based on my research, in some specifications this i...
Allerus asked 31/8, 2018 at 5:23
4
Solved
There is XOR function in Java - a^b
For exemple: 5^3 = 6
Can you tell me inverse function? If I have 6 and 3 can i get range of numbers which include number 5?
12
Solved
How come C# doesn't have a conditional XOR operator?
Example:
true xor false = true
true xor true = false
false xor false = false
Budbudapest asked 28/6, 2011 at 14:12
7
Solved
I came across a post How to find a duplicate element in an array of shuffled consecutive integers? but later realized that this fails for many input.
For ex:
arr[] = {601,602,603,604,605,605,606,6...
Firstnighter asked 26/5, 2012 at 6:57
8
Solved
I recently came across this question on Leetcode and figured out a solution that I need some clarification with:
Given an array of integers, every element appears twice except for one. Find that...
Nicias asked 31/1, 2017 at 17:32
4
When I XOR any two numbers, I am getting either absolute value of their difference or sum.
I have searched a lot on Google trying to find out any relevant formula for this. But no apparent formula ...
Taurus asked 15/1, 2014 at 19:7
4
my $list = "1 3";
my @arr = split " ", $list;
my $c = $arr[0] ^ $arr[1];
print $c, "\n";
The above is giving an abnormal character.
It should give answer as 2, since 1 XOR 3 is 2.
3
Solved
I like the Python sum function :
>>> z = [1] * 11
>>> zsum = sum(z)
>>> zsum == 11
True
I want the same functionality with using xor (^) not add (+). I want to use map...
4
Given an integer array A of N integers, find the pair of integers in the array which have minimum XOR value
Here is the Brute Force solution where we find every pair possible and compute XOR and fi...
Pannier asked 16/4, 2020 at 11:57
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