LNK2005 error with Zxing C++

LNK2005 error with Zxing C++

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LNK2005 error with Zxing C++
Tag : cpp , By : nemof
Date : November 28 2020, 01:01 AM

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error LNK2005: already defined - C++

Tag : cpp , By : John R
Date : March 29 2020, 07:55 AM
hop of those help? You either have to
move SetPersonName's definition to a .cpp file, compile and link to the resulting target make SetPersonName inline

error LNK2005 already defined - Compiler error when building after running

Tag : cpp , By : Moe Skeeto
Date : March 29 2020, 07:55 AM
will help you You're including an implementation file from your main.cpp, so it's adding the functions in again. You can't do this:
 #include "tdirect.cpp"
LPDIRECT3DDEVICE9 InitializeDevice(HWND Wnd);

error LNK2005, already defined?

Tag : cpp , By : jay
Date : March 29 2020, 07:55 AM
wish help you to fix your issue Why this error?
You broke the one definition rule and hence the linking error.
    int k;
extern int k;
#include "A.h"
int k = 0;
#include "A.h"

//Use `k` anywhere in the file 

ZXing.Net decode barcode giving Error - Cannot convert from 'System.Drawing.Bitmap' to 'ZXing.LuminanceSource'

Tag : chash , By : ussballantyne
Date : March 29 2020, 07:55 AM
should help you out Since you're using ASP.NET Core, I'm supposing you've added an reference to the package of ZXing.Net.Bindings.CoreCompat.System.Drawing . You need change your code as below :
string[] files = Directory.GetFiles("wwwroot/qrr");
foreach (string file in files)
    // create a barcode reader instance
    IBarcodeReader reader = new BarcodeReader();
    BarcodeReader reader = new BarcodeReader();
    // load a bitmap
    var barcodeBitmap = (Bitmap)Image.FromFile("wwwroot/qrr/" + Path.GetFileName(file));

    // detect and decode the barcode inside the bitmap
    var result = reader.Decode(barcodeBitmap);

error LNK2005 - What am I doing wrong here?

Tag : cpp , By : John Tate
Date : March 29 2020, 07:55 AM
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