osem-fcy/app/assets/javascripts/osem-datatables.js

$(function () {
  $(document).ready(function() {
    $('.datatable').DataTable({
      // ajax: ...,
      stateSave: true,
      autoWidth: false,
      pagingType: 'full_numbers',
      "lengthMenu": [[25, 50, 100, -1], [25, 50, 100, "All"]]
    });

    $('#versionstable').DataTable({
      pagingType: 'full_numbers',
      order: [[ 0, 'desc' ]]
    });

    $('#userstable').DataTable({
      pagingType: 'full_numbers',
      processing: true,
      serverSide: true,
      sAjaxSource: $('#userstable').data('source'),
      aoColumns: [ null, { "bSortable": false }, null, null, { "bSortable": false }, { "bSortable": false }, { "bSortable": false }, { "bSortable": false }]
    });
  });
});