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Tag Archive for error-handling

Cannot deal with ast.litral_eval() function in str_to_dict_eedi_df() function

def str_to_dict_eedi_df(df: pd.DataFrame): cols = [“correct_option”, “gt_distractors”, “generated_distractors”, “distractors”, “construct_info”] cols = [col for col in cols if col in df.columns] for i, row in df.iterrows(): for col in cols: try: df.at[i, col] = ast.literal_eval(row[col]) except Exception: df.at[i, col] = None return df def process_data(data_address): data_file = pd.read_csv(data_address) data_file = str_to_dict_eedi_df(data_file) data = [] for […]

How I identify true error?

I am writing a program to scrap some data from the web. The pages are sequential ( 1,2,3 … ), but I have no idea when will it stops. I combine a prefix and a integer to make a link for the python urllib to parse on it. For example : ‘http://some.domain.com/page’ + ‘1’ + ‘.htm’.

Return magic value, throw exception or return false on failure?

I sometimes end up having to write a method or property for a class library for which it is not exceptional to have no real answer, but a failure. Something cannot be determined, is not available, not found, not currently possible or there is no more data available.

Generic way of handling exceptions in windows phone? [closed]

It’s difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 12 years ago. I mean what are some of the ways […]