16 questions for “Preprocessor & Macros”

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16 questions in 1 technology

#	Question	Technology	Topic	Level
1	What is the C++ preprocessor? C++ › Preprocessor & Macros	C++	Preprocessor & Macros	Beginner
2	What are predefined macros like __LINE__ and __FILE__? C++ › Preprocessor & Macros	C++	Preprocessor & Macros	Beginner
3	Why are function-like macros discouraged in modern C++? C++ › Preprocessor & Macros	C++	Preprocessor & Macros	Intermediate
4	What are the dangers of macros affecting names and how do you mitigate them? C++ › Preprocessor & Macros	C++	Preprocessor & Macros	Advanced
5	What is the difference between #include with angle brackets and quotes? C++ › Preprocessor & Macros	C++	Preprocessor & Macros	Beginner
6	What is an include guard and why is it needed? C++ › Preprocessor & Macros	C++	Preprocessor & Macros	Beginner
7	What are conditional compilation directives used for? C++ › Preprocessor & Macros	C++	Preprocessor & Macros	Intermediate
8	What is the difference between a macro constant and a constexpr/const constant? C++ › Preprocessor & Macros	C++	Preprocessor & Macros	Intermediate
9	What are the # (stringize) and ## (token paste) operators? C++ › Preprocessor & Macros	C++	Preprocessor & Macros	Advanced
10	How does #pragma once compare to traditional include guards? C++ › Preprocessor & Macros	C++	Preprocessor & Macros	Advanced