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Best practices for circular shift (rotate) operations in C++
...tate question with some more details about what asm gcc/clang produce for x86.
The most compiler-friendly way to express a rotate in C and C++ that avoids any Undefined Behaviour seems to be John Regehr's implementation. I've adapted it to rotate by the width of the type (using fixed-width types l...
How to get unique values in an array
...);
}
}
return arr;
}
var duplicates = [1, 3, 4, 2, 1, 2, 3, 8];
var uniques = duplicates.unique(); // result = [1,3,4,2,8]
console.log(uniques);
For more reliability, you can replace contains with MDN's indexOf shim and check if each element's indexOf is equal to -1: docume...
Removing duplicate values from a PowerShell array
...se alias is select) with the -Unique switch; e.g.:
$a = @(1,2,3,4,5,5,6,7,8,9,0,0)
$a = $a | select -Unique
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What's the difference between RANK() and DENSE_RANK() functions in oracle?
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248
RANK gives you the ranking within your ordered partition. Ties are assigned the same rank, with ...
How to write one new line in Bitbucket markdown?
...he backslash solution.
– x-yuri
Jun 8 at 10:59
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Which is faster: while(1) or while(2)?
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681
Both loops are infinite, but we can see which one takes more instructions/resources per iterati...
How do I fetch lines before/after the grep result in bash?
...ell swoop!
– Joshua Pinter
Jan 22 '18 at 15:19
is there a way to do this using a specific before point? say the length...
How can I pretty-print JSON using node.js?
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840
JSON.stringify's third parameter defines white-space insertion for pretty-printing. It can be ...
Rails filtering array of objects by attribute value
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VikVik
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Pip freeze vs. pip list
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Eric Platon
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answered Sep 23 '13 at 18:49
karthikrkarthikr...