This is a followup on the answers for placement new on a class with reference field. Calling std::vector<A>::data() on type A that has reference or const
I am trying to reverse iterate through a string, but am getting assertion failure for the [] operator in the latest VS. int foo() { std::string s = "s";
I'm trying to access "category" table with LEFT JOIN. I need to retrieve the field "name" in this table. This is my code: void Product::read(MYSQL *connection)
I wrote those two overloads: int func(int, int) { return 1; } int func(double, double) { return 2; } When I call them with the obvious two calling
Hope you are all doing well. I've decided to start learning kernel driver devlopment via microsofts documentation. I've downloaded the WDK and Windows SDK(10.0.
I want to use C++20 in vscode as I'd like to use .contains on an unordered_set, but when I try it I get error C2039: 'contains': is not a member of 'std::unord
From what I understand, C++ regex symbol ^ should match only the beginning of input and $ should match only the end of input. This can be changed to match begin
I am unable to connect Mapnik via cmake to my application. I tried to do like this: cmake_minimum_required(VERSION 3.1) project(MapnikTest) set(MAPNIK_LIB "/u
I am working in a project where I am on a specific file in a folder, the structure is like this: └─project_folder/ ├─ myFile.cpp
This question is due to insane curiosity rather than an actual problem. Consider the following code: template<typename...> struct type_list {}; template&
As the title said I can't install that specific version of g++ in my current ubuntu (20.04). I have been trying the usual things as: sudo apt install g++- (and
I have no choice but to read in 2 bytes that make up a half-float. I would like to work with this in the form of a 4 byte float. Ive done some research and the
What are undefined reference/unresolved external symbol errors? What are common causes and how to fix/prevent them?
I would like to configure protobuf to link MSVC runtime library dynamically. While this is supported by protobuf and seems trivial to do, I have not been able t
I'm currently working on a project where I want to be able to manipulate and graph data with relative ease in Excel. However, a lot of the data involved exceeds
I know my question doesn't really explain my problem all that well, but I'll try my best here. I have a graph program. It should add new vertices and edges, and
does c++ have similar measure like scanf("%1d) read only one digit in cin >> or only #include <cstdin> and use scanf I try to use setw() but it seem
The following code uses a structure inside a union inside a structure inside a union. #include <cstdio> union { char abcd[4]; struct {
A while back, I created a fork of the RDCOMClient package to keep it working with R 3.6 (https://github.com/dkyleward/RDCOMClient). People are now running into
i have a funcion 'button1_click' in the header 'MyForm1.h'. I want to use this function in another header 'MyForm.h'. How can i do this? i already included 'MyF