What are undefined reference/unresolved external symbol errors? What are common causes and how to fix/prevent them?
What are undefined reference/unresolved external symbol errors? What are common causes and how to fix/prevent them?
I have the following piece of code that prompts the user for their cat's age and name: #include <iostream> #include <string> int main() { int a
P0137 introduces the function template std::launder and makes many, many changes to the standard in the sections concerning unions, lifetime, and pointers. Wh
In one of the most respected stackoverflow answer I found an example of std::expected template class usages: What are coroutines in C++20? At the same time I ca
I am trying to keep a list of connected clients in asio. I have adapted the chat server example from the docs (http://www.boost.org/doc/libs/1_57_0/doc/html/boo
I started studying smart pointers of C++11 and I don't see any useful use of std::weak_ptr. Can someone tell me when std::weak_ptr is useful/necessary?
I often hear that when compiling C and C++ programs I should "always enable compiler warnings". Why is this necessary? How do I do that? Sometimes I also hear
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