In C++, I have a problem with a double include: File stuffcollection.h #pragma once #ifndef STUFFCOLLECTION_H
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let\'s see an example: in my main.sh, I\'d like to source a.sh and b.sh. a.s开发者_StackOverflow社区h, however, might have already sourced b.sh. Thus it will cause the codes in b.sh executed twice. Is
Can anyone explain how to create a header file in C with a simple example from beginning 开发者_运维知识库to end.foo.h
We all know when to use include guard, but when shall we not use it in our project? Recently, I saw a project with mix compilation (CUDA + GCC), one 开发者_如何转开发header file (CUDA file) is delibe
Take this files: a.h #ifndef A_H #define A_H char EL[] = \"el\"; #endif a.cpp #include \"a.h\" b.h #ifndef B_H
I know the only way to pass a string literal as template argument is to declare it before: file a.h #ifndef A_H
I am using same class name in two namespaces, say A and B. Should the include guards be unique while declaring the classes with diffe开发者_运维技巧rent namespaces too?
At LearnCpp.com | 1.10 — A first look at the preprocessor. Under Header guards, there are those code snippets:
This question already has answers here: Resolve build errors due to circular dependency amongst classes
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