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Correct format specifier for double in printf
... promoted to double. These are called the default argument promotions." In C++ the wording is somewhat different (e.g., it doesn't use the word "prototype") but the effect is the same: all the variadic parameters undergo default promotions before they're received by the function.
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Should I inherit from std::exception?
I've seen at least one reliable source (a C++ class I took) recommend that application-specific exception classes in C++ should inherit from std::exception . I'm not clear on the benefits of this approach.
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std::vector performance regression when enabling C++11
I have found an interesting performance regression in a small C++ snippet, when I enable C++11:
1 Answer
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Tools to get a pictorial function call graph of code [closed]
...m.
Advantages of dynamic methods:
catches function pointers and virtual C++ calls. These are present in large numbers in any non-trivial software.
Disadvantages of dynamic methods:
you have to run the program, which might be slow, or require a setup that you don't have, e.g. cross-compilation...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...rd->ExceptionCode != 0xE06D7363)
return EXCEPTION_CONTINUE_SEARCH; //非C++类异常，则继续寻找SEH链表的下个结构进行处理
if(WeHaveAHandlerForThisTypeSomeWhere(info->ExceptionRecord))
return EXCEPTION_EXECUTE_HANDLER; //执行处理
return EXCEPTON_CONTINUE_SEARCH;
}
/* ...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...rd->ExceptionCode != 0xE06D7363)
return EXCEPTION_CONTINUE_SEARCH; //非C++类异常，则继续寻找SEH链表的下个结构进行处理
if(WeHaveAHandlerForThisTypeSomeWhere(info->ExceptionRecord))
return EXCEPTION_EXECUTE_HANDLER; //执行处理
return EXCEPTON_CONTINUE_SEARCH;
}
/* ...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...rd->ExceptionCode != 0xE06D7363)
return EXCEPTION_CONTINUE_SEARCH; //非C++类异常，则继续寻找SEH链表的下个结构进行处理
if(WeHaveAHandlerForThisTypeSomeWhere(info->ExceptionRecord))
return EXCEPTION_EXECUTE_HANDLER; //执行处理
return EXCEPTON_CONTINUE_SEARCH;
}
/* ...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...rd->ExceptionCode != 0xE06D7363)
return EXCEPTION_CONTINUE_SEARCH; //非C++类异常，则继续寻找SEH链表的下个结构进行处理
if(WeHaveAHandlerForThisTypeSomeWhere(info->ExceptionRecord))
return EXCEPTION_EXECUTE_HANDLER; //执行处理
return EXCEPTON_CONTINUE_SEARCH;
}
/* ...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...rd->ExceptionCode != 0xE06D7363)
return EXCEPTION_CONTINUE_SEARCH; //非C++类异常，则继续寻找SEH链表的下个结构进行处理
if(WeHaveAHandlerForThisTypeSomeWhere(info->ExceptionRecord))
return EXCEPTION_EXECUTE_HANDLER; //执行处理
return EXCEPTON_CONTINUE_SEARCH;
}
/* ...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...rd->ExceptionCode != 0xE06D7363)
return EXCEPTION_CONTINUE_SEARCH; //非C++类异常，则继续寻找SEH链表的下个结构进行处理
if(WeHaveAHandlerForThisTypeSomeWhere(info->ExceptionRecord))
return EXCEPTION_EXECUTE_HANDLER; //执行处理
return EXCEPTON_CONTINUE_SEARCH;
}
/* ...