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A Java collection of value pairs? (tuples?)
... a true tuple. For example the hashcode implementation in SimpleEntry just xors the codes of the elements, so <a,b> hashes to the same value as <b,a>. Tuple implementations often sort lexicographically, but SimpleEntry doesn't implement Comparable. So be careful out there...
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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...,8), %rbp
addq $4, %rdx
# Reuse "rax" for all the popcnts.
xor %rax, %rax # Break the cross-iteration dependency by zeroing "rax".
popcnt %r9, %rax
add %rax, %rcx
popcnt %r10, %rax
add %rax, %rsi
popcnt %r11, %rax
add %rax, %r8
popcnt %rbp, ...
Why does X[Y] join of data.tables not allow a full outer join, or a left join?
...and Y rows where there is no match to the other table, ie an exclusive-or (XOR)
"cross" -- cross join or Cartesian product with each row of X matched to each row of Y
The default value is join="all.y" which corresponds to the present default.
The "all", "all.x" and "all.y" string values correspo...
How can I find the data structure that represents mine layout of Minesweeper in memory?
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.text:01003687 push edi
.text:01003688 xor edi, edi
.text:0100368A cmp eax, dword_1005334
.text:01003690 mov dword_1005164, edi
.text:01003696 jnz short loc_10036A4
.text:01003696
.text:01003698 ...
Default implementation for Object.GetHashCode()
...h of {2,2}
etc - which can be common if just using an unweighted sum, or xor (^), etc.
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Convert boolean result into number/integer
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Nice one. Also you could use "Boolean ^ 0". OR or XOR works.
– F8ER
Aug 22 '16 at 22:20
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Check if at least two out of three booleans are true
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Just for the sake of using XOR to answer a relatively straight-forward problem...
return a ^ b ? c : a
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How to get memory available or used in C#
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One note. In C# ^ is bitwise XOR, not power. So just use proc.PrivateMemorySize64 / (1024*1024), or proc.PrivateMemorySize64 / (1 << 20)
– Сергей Рыбаков
May 18 at 6:15
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Need a good hex editor for Linux [closed]
...y ~10 MegaBytes while opened multiple > ~8GB files.
Could operate thru XOR encryption.
Written with C++/wxWidgets GUI libs and can be used with other OSes such as Mac OS, Windows as native application.
You can copy/edit your Disks, HDD Sectors with it.( Usefull for rescue files/partitions by han...
C# int to byte[]
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The array initializer and the xor (^) and & 0xFF bits are unnecessary.
– dtb
Aug 23 '09 at 16:42
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