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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_520k1q2pd4t6e5987o28hoi4mk, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
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<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
static java.util.Timer onValueChangeAndNow(int interval, F0 f, O onChange) {
  doEveryAndNow(interval, new Runnable {
    bool firstTime = true;
    O lastValue;
    
    public void run {
      O value = callF(f);
      if (firstTime || neq(value, lastValue)) {
        firstTime = false;
        lastValue = value;
        callF(onChange, value);
      }
    }
  });
}