title: How we can connect the signals and slot with different arguments?
body: <p>In Qt, signals and slots require matching argument types:</p>
  
  <blockquote>
    <p>QObject::connect: Incompatible sender/receiver arguments QLabel::linkActivated(QString) --> Button::call(int)</p>
  </blockquote>
  
  <p>How can I implement a combination like this?</p>