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How to avoid warning when introducing NAs by coercion

... answered Feb 20 '13 at 16:38 AndrieAndrie 157k3636 gold badges403403 silver badges464464 bronze badges ...
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How can I return pivot table output in MySQL?

...ot` ( `pid` bigint(20) NOT NULL AUTO_INCREMENT, `company_name` varchar(32) DEFAULT NULL, `action` varchar(16) DEFAULT NULL, `pagecount` bigint(20) DEFAULT NULL, PRIMARY KEY (`pid`) ) ENGINE=MyISAM; Now look into his/her desired table: company_name EMAIL PRINT 1 pages PRINT 2 page...
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os.path.dirname(__file__) returns empty

... Sven MarnachSven Marnach 446k100100 gold badges833833 silver badges753753 bronze badges 3 ...
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How to compare types

... answered Mar 30 '11 at 6:47 JaredParJaredPar 648k133133 gold badges11601160 silver badges13951395 bronze badges ...
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What is a unix command for deleting the first N characters of a line?

... 367 Use cut. Eg. to strip the first 4 characters of each line (i.e. start on the 5th char): tail...
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Why can't I initialize non-const static member or static array in class?

...eason a is allowed to be initialized while others are not. Reference: C++03 9.4.2 Static data members §4 If a static data member is of const integral or const enumeration type, its declaration in the class definition can specify a constant-initializer which shall be an integral constant expres...
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Time complexity of Sieve of Eratosthenes algorithm

... Your n/2 + n/3 + n/5 + … n/97 is not O(n), because the number of terms is not constant. [Edit after your edit: O(n2) is too loose an upper bound.] A loose upper-bound is n(1+1/2+1/3+1/4+1/5+1/6+…1/n) (sum of reciprocals of all numbers...
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How does one make random number between range for arc4random_uniform()?

... has 6 sides so I imported Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too much. I tried to do this: ...
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Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink

... | edited Dec 3 '13 at 18:47 Patrick McElhaney 51.1k3737 gold badges120120 silver badges155155 bronze badges ...
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Reading an image file into bitmap from sdcard, why am I getting a NullPointerException?

... answered Jan 3 '12 at 10:15 NikhilReddyNikhilReddy 6,5541010 gold badges3333 silver badges5454 bronze badges ...