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c++ Programming Glossary: headerWhat is the difference between #include <filename> and #include “filename”? http://stackoverflow.com/questions/21593/what-is-the-difference-between-include-filename-and-include-filename filename #include filename c c include preprocessor header files share improve this question The only way to know is.. searches a sequence of implementation defined places for a header identified uniquely by the specified sequence between the and.. of that directive by the entire contents of the header. How the places are specified or the header identified is implementation..
What are the rules about using an underscore in a C++ identifier? http://stackoverflow.com/questions/228783/what-are-the-rules-about-using-an-underscore-in-a-c-identifier from the 1999 C Standard 7.1.3 Reserved identifiers Each header declares or defines all identifiers listed in its associated.. is reserved for use as specified if any of its associated headers is included unless explicitly stated otherwise see 7.1.4 ... file scope in the same name space if any of its associated headers is included. No other identifiers are reserved. If the program..
Why have header files and .cpp files in C++? [closed] http://stackoverflow.com/questions/333889/why-have-header-files-and-cpp-files-in-c have header files and .cpp files in C closed Why does C have header files.. header files and .cpp files in C closed Why does C have header files and .cpp files c header files share improve this question.. C closed Why does C have header files and .cpp files c header files share improve this question Well the main reason would..
http://stackoverflow.com/questions/3749099/why-should-the-implementation-and-the-declaration-of-a-template-class-be-in-the and the declaration of a template class be in the same header file duplicate This question already has an answer here Why.. answer here Why can templates only be implemented in the header file 9 answers Why should the implementation and the.. and the declaration of a template class be in the same header file Could any of you explain it by example c templates share..
Why can templates only be implemented in the header file? http://stackoverflow.com/questions/495021/why-can-templates-only-be-implemented-in-the-header-file can templates only be implemented in the header file Quote from The C standard library a tutorial and handbook.. of using templates at the moment is to implement them in header files by using inline functions. Why is this c templates c.. this case int . If these implementations were not in the header they wouldn't be accessible and therefore the compiler wouldn't..
When to use forward declaration? http://stackoverflow.com/questions/553682/when-to-use-forward-declaration to do forward declaration of a class in another class's header file Am I allowed to do it for a base class for a class held..
http://stackoverflow.com/questions/589575/size-of-int-long-etc implementation specific ranges can be found in limits.h header in C or climits in C or even better templated std numeric_limits.. in C or even better templated std numeric_limits in limits header . For example this is how you will find maximum range for int..
http://stackoverflow.com/questions/1281641/circular-c-header-includes C Header Includes In a project I have 2 classes mainw.h #include IFr.h..
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol all the necessary headers to make definitions visible. Header files on the other hand won't #include other header files unless..
Converting epoch time to “real” date/time http://stackoverflow.com/questions/1692184/converting-epoch-time-to-real-date-time gmtime convert the calendar time into broken down time Header gmtime.c v 1.4 91 04 22 13 20 27 ceriel Exp #include time.h..
C++ - What should go into an .h file? http://stackoverflow.com/questions/1945846/c-what-should-go-into-an-h-file .cpp file c header files share improve this question Header files .h are designed to provide the information that will be..
Uses of a C++ Arithmetic Promotion Header http://stackoverflow.com/questions/2426330/uses-of-a-c-arithmetic-promotion-header of a C Arithmetic Promotion Header I've been playing around with a set of templates for determining..
C++ Header Files, Code Separation http://stackoverflow.com/questions/280033/c-header-files-code-separation Header Files Code Separation I am new to C and I had a few general.. c header code separation share improve this question Header files should contain class and function declarations. Source..
c++/cli pass (managed) delegate to unmanaged code http://stackoverflow.com/questions/2972452/c-cli-pass-managed-delegate-to-unmanaged-code assemblies while I want only one. Here is my code 1 Header MyInterop.ManagedCppLib.h #pragma once using namespace System..
http://stackoverflow.com/questions/2979384/purpose-of-header-guards of Header guards In C what is the purpose of header guard in C program...
Why does C++ compilation take so long? http://stackoverflow.com/questions/318398/why-does-c-compilation-take-so-long share improve this question Several reasons Header files Every single compilation unit requires hundreds or even..
what is/are the purpose(s) of inline? http://stackoverflow.com/questions/3647053/what-is-are-the-purposes-of-inline PITA IMO . See the DDJ article on Moving Templates Out of Header Files If you are feeling weird read on this other article on..
What techniques can be used to speed up C++ compilation times? http://stackoverflow.com/questions/373142/what-techniques-can-be-used-to-speed-up-c-compilation-times unit. #pragma once #ifndef filename_h #define filename_h Header declarations definitions #endif By using both the pragma and.. it has less to keep track of. Compiler options Precompiled Headers These are used to compile a common section of included headers..
How to compile dynamic library for a JNI application on linux? http://stackoverflow.com/questions/3950635/how-to-compile-dynamic-library-for-a-jni-application-on-linux NOT EDIT THIS FILE it is machine generated #include jni.h Header for class Hello #ifndef _Included_Hello #define _Included_Hello..
error LNK2019: unresolved external symbol _main referenced in function ___tmainCRTStartup http://stackoverflow.com/questions/4845410/error-lnk2019-unresolved-external-symbol-main-referenced-in-function-tmainc out the implementation doesn't resolve the error either. Header File #ifndef MAIN_SAVITCH_SEQUENCE_H #define MAIN_SAVITCH_SEQUENCE_H..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers with non container classes that provide iterators. Header prettyprint.h #ifndef H_PRETTY_PRINT #define H_PRETTY_PRINT..
http://stackoverflow.com/questions/583255/c-code-in-header-files .cpp file very much like stipulated in Loki's answer to C Header Files Code Separation . Admittedly part of the reason I like.. add up quite quickly. When dealing with a large project. Header only libraries do effect compile times in a quite measurable..
http://stackoverflow.com/questions/614302/c-header-order Header order What order should headers be declared in a header cpp..
Symbol not found when using template defined in a library http://stackoverflow.com/questions/18543980/symbol-not-found-when-using-template-defined-in-a-library lib stuff which the linker will find itself In closing USE HEADER GUARDS and with templates put #include file.cpp at the bottom..
C++: include all files in a directory? http://stackoverflow.com/questions/3061582/c-include-all-files-in-a-directory preprocessor dir share improve this question In bash HEADER all_headers.h echo #ifndef __ALL_HEADERS__ HEADER echo #define.. question In bash HEADER all_headers.h echo #ifndef __ALL_HEADERS__ HEADER echo #define __ALL_HEADERS__ HEADER for file in dir.. In bash HEADER all_headers.h echo #ifndef __ALL_HEADERS__ HEADER echo #define __ALL_HEADERS__ HEADER for file in dir .h do echo..
const pointer assign to a pointer http://stackoverflow.com/questions/3316562/const-pointer-assign-to-a-pointer MyString MyString int n s new char n 1 s n 1 ' 0' len n HEADER FILE #include string.h #include stdio.h class MyString private..
Defining a function with different signature http://stackoverflow.com/questions/4212932/defining-a-function-with-different-signature different similar signature. For example like this THE HEADER example.hpp #ifndef EXAMPLE_HPP #define EXAMPLE_HPP int foo..
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