.card.border-info.mb-2
  .card-header.text-bg-info.border-info
    Select a Task
  .card-body
    .row
      .col-6
        = select 'submission',
          'problem_id',
          problems.collect {|p| ["[#{p.name}] #{p.full_name}", send(target_url_method,p.id)]},
          { selected: (selected_problem ? problem_submissions_url(selected_problem) : -1) },
          { class: 'select2 form-control'}
      .col-6
        %a.btn.btn-primary.go-button#problem_go{data: {source: '#submission_problem_id'}} Go
:javascript
  $(".go-button").on('click', function(event) {
    var link, url;
    link = $(this).attr("data-source");
    url = $(link).val();
    if (url) {
      window.location.href = url;
    }
  });