anchor.diff:      new File('postgresql.yaml').readAsString().then((config) {
         _connectionPool = new pgpool.Pool(
             new pg.Settings.fromMap(yaml.loadYaml(config)).toUri(),
  -          min: dbConnections,
  -          max: dbConnections);
  +          min: dbConnections, max: dbConnections);
         return _connectionPool.start();
       }),
       new File('fortunes.mustache').readAsString().then((template) {
  
positive.code: 
  /// Completes the given [request] by writing the [response] with the given
  /// [statusCode] and [type].
  void _sendResponse(HttpRequest request, int statusCode, [ type, response ]) {
    request.response.statusCode = statusCode;
    request.response.headers.date = new DateTime.now();
    if (type != null) {
  
negative.code: void _updatesTest(HttpRequest request) {
    var queries = _parseInt(request.uri.queryParameters['queries']).clamp(1, 500);
    Future.wait(new List.generate(queries, (_) {
      return _queryRandom().then((world) {
        world.randomnumber = _RANDOM.nextInt(_WORLD_TABLE_SIZE) + 1;
        return _connectionPool.connect().then((connection) {
          return connection
              .execute(
                  'UPDATE world SET randomnumber = @randomnumber WHERE id = @id;',
                  {'randomnumber': world.randomnumber, 'id': world.id})
              .whenComplete(() {
            connection.close();
          });
        }).then((_) => world);
      });
    }, growable: false)).then((worlds) => _sendJson(request, worlds));
  }
  
  /// Responds with the plaintext test to the [request].
  