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Which is the fastest algorithm to find prime numbers?

... Actually I don't think primegen is the fastest, or even the second-fastest; yafu and primesieve are both faster in general, I think, and certainly over 2^32. Both are (modified) sieves of Eratosthenes rather than the Atkin-Berns...
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Android SDK on a 64-bit linux machine

... Yes, it is. You need to install the ia32 libraries. Check out the Ubuntu Linux troubleshooting section. apt-get install ia32-libs apt-get install sun-java6-jdk share ...
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MySQL vs MySQLi when using PHP [closed]

...It should also be noted that MySQLi only works with MySQL 5+. This isn't really relevant anymore, but when MySQLi came out, MySQL 4 was still the standard. This is part of the reason the extensions are separate, the old MySQL driver staying there for compatibility purposes. – z...
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How can I return pivot table output in MySQL?

... This basically is a pivot table. A nice tutorial on how to achieve this can be found here: http://www.artfulsoftware.com/infotree/qrytip.php?id=78 I advise reading this post and adapt this solution to your needs. Update After the l...
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Showing empty view when ListView is empty

... when the ListView is not empty. I thought the ListView would automatically detect when to show the empty view. 11 Answ...
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How to define an enumerated type (enum) in C?

...ollowing works without any complaints (compiled with gcc -ansi -pedantic -Wall): #include <stdio.h> enum { RANDOM, IMMEDIATE, SEARCH } strategy = IMMEDIATE; int main(int argc, char** argv){ printf("strategy: %d\n", strategy); return 0; } If instead of the above, the second line wer...
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What's the best way to do a backwards loop in C/C#/C++?

... std::vector Using iterators C++ allows you to do this using std::reverse_iterator: for(std::vector<T>::reverse_iterator it = v.rbegin(); it != v.rend(); ++it) { /* std::cout << *it; ... */ } Using indices The unsigned integral type returned by std::vector<T>::size is not...
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Are memory leaks ever ok? [closed]

...forced this situation on me, it would lead me to seriously suspect the overall quality of the library in question. It would be as if I test drove a car and found a couple loose washers and nuts in one of the cupholders – it may not be a big deal in itself, but it portrays a lack of commitment to ...
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Good ways to manage a changelog using git?

...orate --color Piping that output to ChangeLog is what I currently use in all my projects, it's simply amazing. share | improve this answer | follow | ...
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CSS3 Rotate Animation

... Fiddle doesn't work o.O Chrome inspector does not like your CSS, specifically the "transform" and "transition-property". Oh dear. – Just Plain High Apr 5 '14 at 10:07 1 ...