Recent questions tagged C

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Q: GNU compiler warning "class has virtual functions but non-virtual destructor"

I have defined an interface in C++, i.e. a class containing only pure virtual functions. I want ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...

asked Mar 13, 2022 in Education by JackTerrance

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Q: Is it possible to subclass a C struct in C++ and use pointers to the struct in C code?

Is there a side effect in doing this: C code: struct foo { int k; }; int ret_foo(const struct ... , JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...

asked Mar 13, 2022 in Education by JackTerrance

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Q: GNU compiler warning "class has virtual functions but non-virtual destructor"

I have defined an interface in C++, i.e. a class containing only pure virtual functions. I want ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...

asked Mar 13, 2022 in Education by JackTerrance

0 votes

Q: Existence map in C++

I want something like an std::map, but I only want to see if the item exists or not, I don' ... , JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...

asked Mar 12, 2022 in Education by JackTerrance

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Q: What is the STL implementation with the lowest memory footprint?

I am working on a very large scale computing library that is using STL heavily. The library is being ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...

asked Mar 12, 2022 in Education by JackTerrance

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Q: Is const_cast safe?

I can't find much information on const_cast. The only info I could find (on Stack Overflow) is: ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...

asked Mar 11, 2022 in Education by JackTerrance

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Q: std::ifstream::open() not working

I am developing a prototype for a game, and certain gameplay rules are to be defined in an ini ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...

asked Mar 11, 2022 in Education by JackTerrance

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Q: std::ifstream::open() not working

I am developing a prototype for a game, and certain gameplay rules are to be defined in an ini ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...

asked Mar 11, 2022 in Education by JackTerrance

0 votes

Q: std::ifstream::open() not working

I am developing a prototype for a game, and certain gameplay rules are to be defined in an ini ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...

asked Mar 10, 2022 in Education by JackTerrance

0 votes

Q: std::ifstream::open() not working

I am developing a prototype for a game, and certain gameplay rules are to be defined in an ini ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...

asked Mar 10, 2022 in Education by JackTerrance