int main (int argc, char *argv[])
{
    /*QVector<QString> vec;
    vec << "xxx" << "yyy" << "zzz";
    QVector<QString>::iterator it = vec.begin();*/
    qDebug() << "before loop";
   /*for (; it != vec.end(); ++it)
    {
        qDebug() << "Element:" << *it;
    }*/
}