for(auto fileName : {":/__initializer.qml", ":/__initializer.txt"}) {
    QFile f(fileName);
    if(f.open(QFile::ReadOnly))
       qDebug() << fileName << ":" << f.readAll(); 
}
// Output Debug:
// :/__initializer.qml : "import QtQuick 2.0\nItem {\n    // Do nothing\n}\n"
// :/__initializer.txt : "This is just a test message\n"
 
// Output Release: 
// :/__initializer.qml : ""
// :/__initializer.txt : "This is just a test message\n"