title: How to display empty string when ng-repeat value is null in angularjs
body: <p>How to display '--' incase of ng-repeat value is null in angularjs?</p>
  
  <p>Note: I need to display '--' only when value is null, not when value is zero.</p>
  
  <p>Tried using {{x.daysSinceMaintenanceUpdate || '--'}}, but it displays '--' even when value is zero.</p>