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Random shuffling of an array
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The xor trick is great for swapping CPU registers when the CPU has no swap instruction and there are no free registers, but for swapping array elements inside a loop, I don’t see any benefit. For the temporary local variables, ...
How to know if two arrays have the same values
...s and order of each value) you could do this by using lodash:
_.isEmpty(_.xor(array1, array2))
Short, simple and pretty!
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What integer hash function are good that accepts an integer hash key?
...r qualities, like
multiplication with an uneven integer
binary rotations
xorshift
To yield a hashing function with superior qualities, like demonstrated with PCG for random number generation.
This is in fact also the recipe rrxmrrxmsx_0 and murmur hash are using, knowingly or unknowingly.
I pe...
Remove duplicates in the list using linq
... Works well and got me to learn something new and investigate the XoR operator ^ in C#. Had used in VB.NET via Xor but had to do a double take to your code to see what it was at first.
– atconway
May 2 '14 at 15:51
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What is uintptr_t data type
...n that I just wrote to do bitwise exclusive or of 2 pointers to store in a XOR linked list so that we can traverse in both directions like a doubly linked list but without the penalty of storing 2 pointers in each node.
template <typename T>
T* xor_ptrs(T* t1, T* t2)
{
return reinterp...
Why does C++11 not support designated initializer lists as C99? [closed]
...4004f4 <+4>: mov $0x4005bc,%edi
0x00000000004004f9 <+9>: xor %eax,%eax
0x00000000004004fb <+11>: callq 0x4003a0 <printf@plt>
0x0000000000400500 <+16>: xor %eax,%eax
0x0000000000400502 <+18>: add $0x8,%rsp
0x0000000000400506 <...
XPath OR operator for different nodes
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Logical operators (OR, XOR, AND) are the same in every programming language but natural language interprets them slightly different. It's best to remove ambiguity when discussing issues related to them. Furthermore, with XPath it's best not to thin...
How to reverse a singly linked list using only two pointers?
...out using a third. Simply cast the pointers to a int/long and perform the XOR operation a couple of times. This is one of those C tricks that makes for a fun question, but doesn't have any practical value.
Can you reduce the O(n) complexity? No, not really. Just use a doubly linked list if yo...
Stack smashing detected
... mov %rax,-0x8(%rbp)
40058e: 31 c0 xor %eax,%eax
char arr[] = {'a', 'b', 'c', 'd'};
400590: c6 45 f4 61 movb $0x61,-0xc(%rbp)
400594: c6 45 f5 62 movb $0x62,-0xb(%rbp)
400598: c6 45 f6 63 m...
What does |= (single pipe equal) and &=(single ampersand equal) mean
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I think you want to use a XOR instead of an AND for this.
– GameZelda
Aug 4 '11 at 13:59
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