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Fastest way to determine if an integer's square root is an integer
...is int64 x.)
if( x < 0 || (x&2) || ((x & 7) == 5) || ((x & 11) == 8) )
return false;
if( x == 0 )
return true;
Next, check if it's a square modulo 255 = 3 * 5 * 17. Because that's a product of three distinct primes, only about 1/8 of the residues mod 255 are squares. Howev...
Excluding directory when creating a .tar.gz file
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Martin AlgestenMartin Algesten
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Text overwrite in visual studio 2010
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answered Feb 23 '11 at 10:55
bANbAN
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How do I format a long integer as a string without separator in Java?
...tring()
– Peter Lawrey
Jan 4 '10 at 11:00
7
Maybe this is trifling but in this case you're relyin...
How can I remove all text after a character in bash?
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XtraSimplicity
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answered Nov 12 '10 at 19:41
Eldad MorEldad Mor
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For each row return the column name of the largest value
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thelatemailthelatemail
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What are best practices that you use when writing Objective-C and Cocoa? [closed]
...hare
edited May 23 '17 at 11:54
community wiki
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RVM is not a function, selecting rubies with 'rvm use …' will not work
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11 Answers
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Should I store entire objects, or pointers to objects in containers?
...#Custom_allocators).
– amit
Feb 27 '11 at 11:34
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