¡@

Home 

c++ Programming Glossary: a1

Is there a difference in C++ between copy initialization and direct initialization?

http://stackoverflow.com/questions/1051379/is-there-a-difference-in-c-between-copy-initialization-and-direct-initializati

Suppose I have this function void my_test A a1 A_factory_func A a2 A_factory_func double b1 0.5 double b2 0.5.. please. c initalization share improve this question A a1 A_factory_func A a2 A_factory_func Depends on what type A_factory_func..

What does int argc, char *argv[] mean?

http://stackoverflow.com/questions/3024197/what-does-int-argc-char-argv-mean

i argc i std cout argv i std endl Running it with . test a1 b2 c3 will output Have 4 arguments . test a1 b2 c3 share improve..

What are Aggregates and PODs and how/why are they special?

http://stackoverflow.com/questions/4178175/what-are-aggregates-and-pods-and-how-why-are-they-special

class B public B default constructor available int main A a1 3 A 2 A 1 A 14 OK n m A a2 3 A 2 ERROR A has no default constructor...

Pretty-print C++ STL containers

http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers

MyDel v std endl Pairs and tuples and arrays auto a1 std make_pair std string Jello 9 auto a2 std make_tuple 1729.. 9 auto a2 std make_tuple 1729 auto a3 std make_tuple Qrgh a1 11 auto a4 std make_tuple 1729 2875 std pair double std string.. 1 4 9 16 std cout C array wrap_array arr std endl Pair a1 std endl 1 tuple a2 std endl n tuple a3 std endl n tuple..

What does T&& (double ampersand) mean in C++11?

http://stackoverflow.com/questions/5481539/what-does-t-double-ampersand-mean-in-c11

typename T typename A1 std shared_ptr T factory A1 a1 return std shared_ptr T new T a1 If we called factory foo 5.. shared_ptr T factory A1 a1 return std shared_ptr T new T a1 If we called factory foo 5 the template argument will be deduced.. typename T typename A1 std shared_ptr T factory A1 a1 return std shared_ptr T new T std forward A1 a1 Now the argument's..

Why is one loop so much slower than two loops?

http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops

is one loop so much slower than two loops Suppose a1 b1 c1 and d1 point to heap memory and my numerical code has.. following core loop. const int n 100000 for int j 0 j n j a1 j b1 j c1 j d1 j This loop is executed 10 000 times via another.. To speed it up I changed the code to for int j 0 j n j a1 j b1 j for int j 0 j n j c1 j d1 j Compiled on MS Visual C 10.0..

5 years later, is there something better than the “Fastest Possible C++ Delegates”?

http://stackoverflow.com/questions/4298408/5-years-later-is-there-something-better-than-the-fastest-possible-c-delegate

the wrapper function template typename R class T typename A1 R T Func A1 R Wrapper void o A1 a1 return static_cast T o Func.. function template typename R class T typename A1 R T Func A1 R Wrapper void o A1 a1 return static_cast T o Func a1 class.. R class T typename A1 R T Func A1 R Wrapper void o A1 a1 return static_cast T o Func a1 class Foo public void DoSomething..

What does T&& (double ampersand) mean in C++11?

http://stackoverflow.com/questions/5481539/what-does-t-double-ampersand-mean-in-c11

example this factory function template typename T typename A1 std shared_ptr T factory A1 a1 return std shared_ptr T new T.. template typename T typename A1 std shared_ptr T factory A1 a1 return std shared_ptr T new T a1 If we called factory foo.. foo's constructor takes an int. Well we could instead use A1 const but what if foo takes the constructor argument by non..

Isn't the template argument (the signature) of std::function part of its type?

http://stackoverflow.com/questions/5931214/isnt-the-template-argument-the-signature-of-stdfunction-part-of-its-type

get_signature R typedef R type template class R class A1 struct get_signature R A1 typedef R type A1 Of course this needs.. R type template class R class A1 struct get_signature R A1 typedef R type A1 Of course this needs to be extended for the.. class R class A1 struct get_signature R A1 typedef R type A1 Of course this needs to be extended for the number of arguments..