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c++ Programming Glossary: f3Do you know tool building tree of include files in project\file? http://stackoverflow.com/questions/1226044/do-you-know-tool-building-tree-of-include-files-in-project-file e.g. using gcc gcc E main.c usual flags grep '#' cut d' ' f3 sort uniq where main.c is your base c file. share improve this..
How is std::function implemented? http://stackoverflow.com/questions/18453145/how-is-stdfunction-implemented f1 mutable std cout value ' n' fun f2 f1 f1 prints 5 fun f3 f1 f2 prints 5 f3 prints 6 copy after first increment The.. value ' n' fun f2 f1 f1 prints 5 fun f3 f1 f2 prints 5 f3 prints 6 copy after first increment The test indicates that..
Why is there a performance warning on cast pointer to bool? http://stackoverflow.com/questions/1847860/why-is-there-a-performance-warning-on-cast-pointer-to-bool f2 int i 7 8 const bool b i 2 9 return b 10 11 12 bool f3 int i 13 14 const bool b 0 i 2 15 return b 16 t.cpp t.cpp 3..
Why don't C++ compilers define operator== and operator!=? http://stackoverflow.com/questions/217911/why-dont-c-compilers-define-operator-and-operator std string str_ int n_ foo f1 Works foo f2 f1 Works foo f3 f3 f2 Works if f3 f2 Fails if f3 f2 Fails Is there a good reason.. std string str_ int n_ foo f1 Works foo f2 f1 Works foo f3 f3 f2 Works if f3 f2 Fails if f3 f2 Fails Is there a good reason.. int n_ foo f1 Works foo f2 f1 Works foo f3 f3 f2 Works if f3 f2 Fails if f3 f2 Fails Is there a good reason for this Why..
Where to put constant strings in C++: static class members or anonymous namespaces http://stackoverflow.com/questions/2465546/where-to-put-constant-strings-in-c-static-class-members-or-anonymous-namespac f1 static const std string f2 static const std string f3 A.cpp const std string f1 filename1 const std string f2 filename2.. filename1 const std string f2 filename2 const std string f3 filename3 strings are used in this file Define them in an anonymous.. filename1 const std string f2 filename2 const std string f3 filename3 strings are used in this file Given these options..
Pass by Reference / Value in C++ http://stackoverflow.com/questions/410593/pass-by-reference-value-in-c const o f1 Object 1 void f2 int const i f2 42 2 void f3 Object o f3 Object 3 Object o1 f3 o1 4 void f4 Object o Object.. o f1 Object 1 void f2 int const i f2 42 2 void f3 Object o f3 Object 3 Object o1 f3 o1 4 void f4 Object o Object o1 f4 o1.. int const i f2 42 2 void f3 Object o f3 Object 3 Object o1 f3 o1 4 void f4 Object o Object o1 f4 o1 5 1 is pass by value because..
Floating point division vs floating point multiplication http://stackoverflow.com/questions/4125033/floating-point-division-vs-floating-point-multiplication do also consider this case float f1 float f2 2 float f3 3 for i 0 i 1e8 i f1 i f2 i f3 0.5 or divide by 2.0f respectively.. float f1 float f2 2 float f3 3 for i 0 i 1e8 i f1 i f2 i f3 0.5 or divide by 2.0f respectively Update 2 Quoting from the..
When to use forward declaration? http://stackoverflow.com/questions/553682/when-to-use-forward-declaration to the incomplete type but without using its members void f3 X X X f4 X f5 What you cannot do with an incomplete type Use..
How do I initialize a member array with an initializer_list? http://stackoverflow.com/questions/5549524/how-do-i-initialize-a-member-array-with-an-initializer-list init list int main foo f1 1 2 OK foo f2 1 2 Also OK foo f3 42 OK x 1 zero initialized foo f4 1 2 3 Error too many initializers..
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