2020-06-17から1日間の記事一覧
Missing parameter type for 'error'. Try adding an explicit type like 'dynamic', or enable implicit-dynamic in your analysis options file. errorWidget: (context, url, error) => SizedBox( width: double.infinity, height: double.infinity, chil…
def has_duplicates(seq): return len(seq) != len(set(seq)) l = [3954, 3948, 3938, 3937, 3936, 3935, 3934, 3933, 3932, 3931, 3930, 3929, 3928, 3927, 3926, 3925, 3924, 3923, 3922, 3921, 3920, 3919, 3918, 3917, 3916, 3915, 3914, 3913, 3912, 39…