C++ Archives - Page 56 of 68

Does the ‘mutable’ keyword have any purpose other than allowing the variable to be modified by a const function?

A while ago I came across some code that marked a member variable of a class with the mutable keyword. As far as ...

April 30, 2022
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Calling C/C++ from Python? [closed]

Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so ...

April 30, 2022
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Debugging with command-line parameters in Visual Studio

I’m developing a C++ command-line application in Visual Studio and need to debug it with command-line arguments. At the moment I just run ...

April 30, 2022
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Templated check for the existence of a class member function?

Is it possible to write a template that changes behavior depending on if a certain member function is defined on a class? Here’s ...

April 30, 2022
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How to initialize private static members in C++?

What is the best way to initialize a private, static data member in C++? I tried this in my header file, but it ...

April 30, 2022
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Why does C++ compilation take so long?

Compiling a C++ file takes a very long time when compared to C# and Java. It takes significantly longer to compile a C++ ...

April 30, 2022
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Unnamed/anonymous namespaces vs. static functions

A feature of C++ is the ability to create unnamed (anonymous) namespaces, like so: namespace { int cannotAccessOutsideThisFile() { ... } } // ...

April 30, 2022
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Iterator invalidation rules for C++ containers

This question’s answers are a community effort. Edit existing answers to improve this post. It is not currently accepting new answers or interactions. ...

April 30, 2022
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Why is enum class preferred over plain enum?

I heard a few people recommending to use enum classes in C++ because of their type safety. But what does that really mean? ...

April 30, 2022
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What is the printf format specifier for bool?

Since ANSI C99 there is _Bool or bool via stdbool.h. But is there also a printf format specifier for bool? I mean something ...

April 30, 2022
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