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c++ Programming Glossary: factorsExamples of when a bitwise swap() is a bad idea? http://stackoverflow.com/questions/11638271/examples-of-when-a-bitwise-swap-is-a-bad-idea easily contained to the class impl rather than external factors . EDIT Possible problems with this approach Pointers back to..
How are you using C++11 today? [closed] http://stackoverflow.com/questions/1754397/how-are-you-using-c11-today but there's still co workers ancillary tools and other factors to consider. What will most affect your adoption Edit The original..
At what point is it worth using a database? http://stackoverflow.com/questions/2648802/at-what-point-is-it-worth-using-a-database against duplications. Moving to using a database has many factors to be considered. Some include but are not limited to data complexity..
How can I write a power function myself? http://stackoverflow.com/questions/2882706/how-can-i-write-a-power-function-myself power with a loop you can optimise it decomposing in factors and reusing partial calculations . Calculate the root with any..
Why does C++ compilation take so long? http://stackoverflow.com/questions/318398/why-does-c-compilation-take-so-long tiny fraction of the total compilation time. Most of these factors are shared by C code which actually compiles fairly efficiently...
Brute-force, single-threaded prime factorization http://stackoverflow.com/questions/3918968/brute-force-single-threaded-prime-factorization quickly factor a 64 bit unsigned integer into its prime factors. Note that the factoring is not probabalistic i.e. it is exact.. to find that a number is prime or has few very large factors in a matter of several seconds on modern hardware. The question.. vector ulong ULongVector Caller needs to pass in an empty factors vector void GetFactors ULongVector factors ulong num Num has..
http://stackoverflow.com/questions/4562249/size-of-primitive-data-types Environment Or is it a combination of these or other factors An explanation on the reason of the same will be really helpful...
Performance of built-in types : char vs short vs int vs. float vs. double http://stackoverflow.com/questions/5069489/performance-of-built-in-types-char-vs-short-vs-int-vs-float-vs-double there performance differences There are really only two factors that effect whether or not an operation is fast on a CPU the..
Is C# really slower than say C++? http://stackoverflow.com/questions/5326269/is-c-sharp-really-slower-than-say-c collection is the poorest understood of these three factors. Just for an obvious example the question here mentions GC doesn't.. matter C is almost always the winner. There are definitely factors that favor C# but in practice they seem to be outweighed by.. favor C# but in practice they seem to be outweighed by factors that favor C . You can certainly find benchmarks that will indicate..
Why comparing double and float leads to unexpected result? [duplicate] http://stackoverflow.com/questions/6722293/why-comparing-double-and-float-leads-to-unexpected-result c visual c share improve this question The important factors under consideration with float or double numbers are Precision..
Hoisting the dynamic type out of a loop (a.k.a. doing Java the C++ way) http://stackoverflow.com/questions/7451442/hoisting-the-dynamic-type-out-of-a-loop-a-k-a-doing-java-the-c-way version . But the difference is insignificant and other factors in the code will drown out any gains or just in pure noise..
Should we still be optimizing “in the small”? http://stackoverflow.com/questions/763656/should-we-still-be-optimizing-in-the-small and often the compiler is better at weighing all the factors than you. Loop unrolling is a purely mechanic operation and..
System() calls in C++ and their roles in programming http://stackoverflow.com/questions/900666/system-calls-in-c-and-their-roles-in-programming blocks until the child process has completed. These two factors limit the cases in which system is useable. on unixy systems..
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