In this post, we will see how to resolve Is writing over a not deinitialized object undefined behavior? Question: Is it undefined behavior? If it is, how should I dispose the old object (x) before the unsafe assignment? Best Answer: ...
In this post, we will see how to resolve Passing string around in C++ Question: I would like to pass a string to different objects so that they can manipulate it. However, I can’t get it to work. Here is ...
In this post, we will see how to resolve Why a function parameter(Myclass) can have L and R values but same return type (Myclass) can only returns R value? Question: I am having a hard time understanding of this concept. ...
In this post, we will see how to resolve Non-constant object as an argument to a function with constant parameter (C++) Question: When I create a local variable num inside the main() function and pass this variable into the function ...
In this post, we will see how to resolve C++ compiler support to detect returning a reference to a temporary object Question: There is a snipped code, that returns a reference to a temporary object: I compiled the snipped as ...
In this post, we will see how to resolve Array turns back to its original form after being modified inside a function Question: I was trying to do problem no. 189 in LeetCode but I encountered a problem. The code ...
In this post, we will see how to resolve How do I return a reference in rust, that is automatically dereferenced Question: Let’s say I have the struct: Implementing the Index trait is easy: I also have this implementation: Technically ...
In this post, we will see how to resolve Reference Variables In C++ Question: I need assistance in understanding why reference variables are used in C++. The reference variables points to other variables since they are an alias of other ...
In this post, we will see how to resolve VSCode resolve variable cannot be resolved error in editor for *.xsl Question: I am using VSCode application to develop *.xsl files. I am using an *.xsl file holding global variables which ...
In this post, we will see how to resolve Not able to save the current state of variables in the global array in nested functions in Python (Very confusing title, please read description) Question: I have made this python program ...