I’m a C++ newbie. I’ve tried to set up NetBeans and run a c++ program in my MacBook Air via virtual machine (UTM) lately. It works well in my company’s Linux desktop, but somehow it just doesn’t work in my virtual Linux. The source code is the same in these two platforms, but they have… Read More No match for ‘operator<<’ (probably due to my version of c++/gcc?)
In a Linked List class, I created a display method to print out the Linked List as it is currently formulated like so: void LinkedList::display() { Node* curr = m_head; while (curr) { std::cout << curr->n_data << " -> "; curr = curr->n_next; } std::cout << std::endl; } One of the TA’s who graded the… Read More Is ostream& operator<< better practice in a class than using std::cout?
I have this simple program and when i try to cout << 75.0_stC ; i have multiple errors and i don’t know why.This things only happen when i pass my temperature object via reference. class temperature { public: long double degrees; temperature(long double c): degrees{c}{} long double show()const {return degrees;} }; temperature operator"" _stC(long double… Read More Operator overload for ostream not working with user defined class
I am a newbie in C++. I wrote this code to understand the difference between public, protected and private. The problem is, when I create an object of Hund4, I get this error: use of deleted function This error is in the last line. Can you please help me to solve this problem? #include <iostream>… Read More error: use of deleted function 'Hund4::Hund4()'
I am trying to set up a class that initializes with a 2d array of an unknown size at compile time. I figured the best way to do this would be to pass the array as a pointer. This works as expected with a 1d array, but when I try to do the same with… Read More Passing 2D array as class parameter
This question is most likely common and has been asked before. So, after spending a mind-numbing 30 minutes trying to find the solution to what I believe is a false negative, I’m resulting to posting my issue here. I’m relatively new to C++ Coding and figured I’d create a simple random item generator. Unfortunately, when… Read More Resolving potential false negative C6385 Error in C++
Why does printf output characters instead of data? Looking at the code, you can relatively understand what I want to do, but it is unclear why the output is like this #include <vector> #include <string> #include <cstdio> class Person { public: Person(const std::string& name, uint16_t old) : m_Name(name) , m_Old(old) { } public: std::string GetName()… Read More Why does printf output characters instead of data?
I was plying with higher order functions, and I started getting different results when I created two instances and assigning them to variables. I reduced the issue to the following example: #include <iostream> using ColorGetter = int(*)(void); auto paint(const ColorGetter &f) { return [&]() { return f(); }; } int colorA() { return 10; }… Read More C++ higher order functions: different results when declaring multiple functions
This is the code I wrote, total beginner #include <iostream> #include <cstring> using namespace std; class Person { public: string ID; string name; string surname; string department; string email; public: //get and set functions for ID, Name, Surname, Department, Email properties string getID() { return this->ID; }; void setID(string _ID) { this->ID = _ID; };… Read More C++ Can not manage to display the class datatype array
Consider the following: #include <iostream> #include <variant> int main () { std::variant<int, float> foo = 3; if(foo == 3) { std::cout << "Equals 3\n"; } } Godbolt demo here This does not compile because of the foo == 3: <source>:7:12: error: no match for ‘operator==’ (operand types are ‘std::variant<int, float>’ and ‘int’) 7 | if(foo… Read More Why does operator==(std::variant<T, U>, T) not work?