The trial of an issue of fact, and the assessment of damages in any case, shall be in the order in which they are placed on the trial docket, unless by the consent of the parties or the order of the court they are continued or placed at the heel of the docket, unless the court, in its discretion, shall otherwise direct. The court may, in its discretion, hear at any time a motion, and may by rule prescribe the time for hearing motions.