delay

  var delay = (function() {
    var timer = 0;
    return function(callback, ms) {
      clearTimeout(timer);
      timer = setTimeout(callback, ms);
    };
  })();

  $(window).resize(delay(function() {
    someFunction()....
  }, 500));
  
          if (timer){
                clearTimeout(timer);
        }
        timer = setTimeout(function(){
                $.post("remote.php",{'partial':this.value},function(data){
                $("#gen_results").html(data);
                });
        }, 1000);