Top "Multiple-definition-error" questions

Refers to a compiler error for multiple declarations of a variable, function, or class in the same program or project.

Error - already defines a member called 'InitializeComponent' with the same parameter types

I tried to make an example of the book that shows exactly private Button button1; public MainWindow() { InitializeComponent(); } private void …

c# wpf window initialization multiple-definition-error
multiple definition linker error after adding a function to a previously linking file

So my program is working fine. Compiling, linking, running, the works. Then, I decide to add a simple function to …

c++ linker-errors multiple-definition-error
How to avoid multiple definition linking error?

Beside moving the hello() function into another source (.cpp) file or renaming the function. Is there any other methods to …

c++ linux linker g++ multiple-definition-error
C Mulitple definition/first defined here error

I'm trying to write a bookstore program, and I'm getting an error saying "multiple definition" in my source code file …

c multiple-definition-error modularization
How to solve Multiple definition errors in gcc linux?

I am facing below errors when trying to statically link libDuma, Can you tell me how to ask g++ to …

linux gcc multiple-definition-error
Multiple definition of a const char*

I get the above message linker error for a global const char* HOST_NAME = "127.0.0.1"; I don't think that I have …

c++ linker-errors multiple-definition-error
Multiple definitions of main with Makefile

I am trying to compile my C++ program using make and I've come across this problem that I can't quite …

c++ makefile multiple-definition-error
Just another "multiple definition first defined here" error

Okay, so I have been searching every forum on this "multiple definition first defined here" problem for the last 4 hours, …

c++ include multiple-definition-error
extern variable causes multiple definition error

I have been trying to use extern in order to use variable that is previously defined. I have not used …

c++ extern multiple-definition-error
Header-only libraries and multiple definition errors

I want to write a library that to use, you only need to include one header file. However, if you …

c++ header multiple-definition-error