title: Set UIDatepicker programmatically
body: <p>I have a datepicker and 2 buttons. And I want to set the datepicker value programmatically when I click the button. Like when I press the first button the datepicker value becomes today's date and 00:00:00: time and when I press the second button the datepicker value becomes today's date and 23:59:59 time. </p>
  
  <p>How to do that? </p>