In this post, we will see how to resolve C++ – issues with writing sorting function Question: I have a problem with sorting function. I have following struct: I am storing vector of this objects: std::vector<Object> v And I’d like ...

In this post, we will see how to resolve Detect if there is an error when importing a point cloud and display alert message without closing application PCL and C++ Question: I am trying to import a point cloud into ...

In this post, we will see how to resolve How to reduce recursive variadic inheritance code bloat? Question: Let’s say I want to create a variadic interface with different overloads for the structs A,B,C: Now funtionally Base<A,B,C> is identical to ...

In this post, we will see how to resolve Why does the copy constructor of an object that is being used for intializing another object gets invoked? Question: Output of the program: I don’t understand how point’s copy constructor gets ...

In this post, we will see how to resolve Is there a way I could overload operator[] with multiple parameters? Question: I have the following code, and it is giving following error: binary 'operator [' has too many parameters Is ...

Question: Hi I wrote that code for my c++ course assignment, it works but I don’t know if it is best way to implement explicit specialization. I am waiting for your helps, thank you in advance. Answer: At very first: ...

Question: I am trying to implement a feature to print multiple progress bars on the screen using threads. I have a ProgressBar class which produces progress bars (in case you need more info about it you can look here, the ...

Question: I want to be able to pass whatever implementation of an abstract class into a function defined in a separate file, so that I can use the functionality for other projects and write the child class however it suits ...

Question: I know that compiler is usually the last thing to blame for bugs in a code, but I do not see any other explanation for the following behaviour of the following C++ code (distilled down from an actual project): ...

Question: Does not compile because there is no suitable rint overload for const char*, but rint will never be invoked with const char* because it’s not an integral type. How can I inform the compiler about this Answer: One way ...