C++ Archives - Page 54 of 68

Why have header files and .cpp files? [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, ...

May 2, 2022
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Which is faster: Stack allocation or Heap allocation

This question may sound fairly elementary, but this is a debate I had with another developer I work with. I was taking care ...

May 2, 2022
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Debug vs Release in CMake

In a GCC compiled project, How do I run CMake for each target type (debug/release)? How do I specify debug and release C/C++ ...

May 2, 2022
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Convert char to int in C and C++

How do I convert a char to an int in C and C++? 13 s 13 Depends on what you want to do: ...

May 2, 2022
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unsigned int vs. size_t

I notice that modern C and C++ code seems to use size_t instead of int/unsigned int pretty much everywhere – from parameters for ...

May 2, 2022
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Does the C++ standard allow for an uninitialized bool to crash a program?

I know that an “undefined behaviour” in C++ can pretty much allow the compiler to do anything it wants. However, I had a ...

May 1, 2022
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How do I execute a command and get the output of the command within C++ using POSIX?

I am looking for a way to get the output of a command when it is run from within a C++ program. I ...

May 1, 2022
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Parse (split) a string in C++ using string delimiter (standard C++)

I am parsing a string in C++ using the following: using namespace std; string parsed,input="text to be parsed"; stringstream input_stringstream(input); if (getline(input_stringstream,parsed,' ')) ...

May 1, 2022
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How do you clear a stringstream variable?

I’ve tried several things already, std::stringstream m; m.empty(); m.clear(); both of which don’t work. 9 s 9

May 1, 2022
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