$searchButton.prop("disabled", true);
    setTimeout(function() {
      $searchButton.prop("disabled", false);
    }, BUTTON_DISABLE_DURATION);
    return true;
  });

  $(document).on("click touchend", function(e) {
    if (!$(e.target).closest("#searchOptions, [data-toggle='control-options']").length) {
      $("#searchOptions").removeClass("active");
    }
  });

      if ($spinner.length > 0) {
        $spinner.removeClass("spinner-border spinner-border-sm").addClass("fa fa-search");
      }
    }, BUTTON_DISABLE_DURATION);
    return true;
  });

  $(document).on("click touchend", function(e) {
    if (!$(e.target).closest("#searchOptions, #searchOptionsButton").length) {
      $("#searchOptions").removeClass("active");
    }
  });

In vielen Fällen ist es nicht sehr offensichtlich, wie Umgebungsvariablen nützlich und sofort anwendbar sein könnten. Aber sie tauchen immer wieder in vielen verschiedenen Szenarien auf, wenn Sie entwickeln, deshalb ist es gut, darüber Bescheid zu wissen.

        // Each creates 2 indices (backup + rebuild) = 4 creates
        assertEquals("Only fess_config indices should be rebuilt", 4, testClient.createdIndices.size());
        // Verify no user/log indices were touched
        for (final String index : testClient.createdIndices) {
            assertFalse(index.contains("fess_user"), "fess_user should not be rebuilt");

   */
  @Override
  Set<EndpointPair<N>> incidentEdges(N node);

  /**
   * Returns the count of {@code node}'s incident edges, counting self-loops twice (equivalently,
   * the number of times an edge touches {@code node}).
   *
   * <p>For directed graphs, this is equal to {@code inDegree(node) + outDegree(node)}.
   *
   * <p>For undirected graphs, this is equal to {@code incidentEdges(node).size()} + (number of