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How do I set a textbox's text to bold at run time?
... = new Font( r.SelectionFont, r.SelectionFont.Style ^ FontStyle.Bold ); // XOR will toggle
return true;
}
if ( keyData == ( Keys.Control | Keys.U ) )
{
r.SelectionFont = new Font( r.SelectionFont, r.SelectionFont.Style ^ FontStyle.Underline ); // XO...
How to swap two variables in JavaScript
... swap without using a third variable. For instance you can use the bitwise xor operator:
let a = 1, b = 2;
a = a ^ b;
b = a ^ b;
a = a ^ b;
console.log('a is now:', a);
console.log('b is now:', b);
This is called the XOR swap algorithm. Its theory of operation is described in ...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...53 push rbx
4004e7: 31 db xor ebx,ebx
4004e9: 41 8d 34 1c lea esi,[r12+rbx*1]
4004ed: 41 8d 7c 1d 00 lea edi,[r13+rbx*1+0x0]
4004f2: e8 db ff ff ff call 4004d2 <_ZL3addRKiS0_.isra.0&g...
BSS段、数据段、代码段、堆与栈 剖析 - C/C++ - 清泛网 - 专注C/C++及内核技术
..._run$[ebp+28], 8
mov DWORD PTR _run$[ebp+32], 9
mov ecx, 91 ; 0000005bH
xor eax, eax
lea edi, DWORD PTR _run$[ebp+36]
rep stosd
; Line 15
mov DWORD PTR _i$[ebp], 0
jmp SHORT $L534
$L535:
mov eax, DWORD PTR _i$[ebp]
add eax, 1
mov DWORD PTR _i$[ebp], eax
$L534:
cmp DWORD PTR _i$[ebp], 1...
When should the volatile keyword be used in C#?
... (IA32):
void main()
{
00401000 push ecx
int j = 0;
00401001 xor ecx,ecx
for (int i = 0 ; i < 100 ; ++i)
00401003 xor eax,eax
00401005 mov edx,1
0040100A lea ebx,[ebx]
{
j += i;
00401010 add ecx,eax
00401012 add eax,e...
ASP.NET Identity's default Password Hasher - How does it work and is it secure?
...lt;= secondHash.Length ? firstHash.Length : secondHash.Length;
var xor = firstHash.Length ^ secondHash.Length;
for (int i = 0; i < _minHashLength; i++)
xor |= firstHash[i] ^ secondHash[i];
return 0 == xor;
}
In in your custom ApplicationUserManager, you s...
Ternary operator is twice as slow as an if-else block?
...32: foreach (int i in array)
0000007c 33 D2 xor edx,edx
0000007e 83 7E 04 00 cmp dword ptr [esi+4],0
00000082 7E 1C jle 000000A0
00000084 8B 44 96 08 mov eax,dword ptr [esi+edx*4+8]
33: ...
Zero-based month numbering [closed]
...m Assembly programmers. Instead of assigning 1 to the count register, they XOR'ed the register with itself, which was slightly faster in CPU cycles. This meant that counting would start with 0 and would always be up to the length of elements, excluding the last one.
Also, the use of zero is also po...
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...