How to properly use unit-testing’s assertRaises() with NoneType objects? [duplicate]

This question already has answers here: How do you test that a Python function throws an exception? (18 answers) Closed 4 years ago. I did a simple test case: def setUp(self): self.testListNone = None def testListSlicing(self): self.assertRaises(TypeError, self.testListNone[:1]) and I am expecting test to pass, but I am getting exception: Traceback (most recent call last): … Read more

Web scraping with Python [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. We don’t allow questions seeking recommendations for books, tools, software libraries, and more. You can edit the question so it can be answered with facts and citations. Closed 2 years ago. Improve this question I’d like to grab daily sunrise/sunset … Read more

What are the differences between the threading and multiprocessing modules?

I am learning how to use the threading and the multiprocessing modules in Python to run certain operations in parallel and speed up my code. I am finding this hard (maybe because I don’t have any theoretical background about it) to understand what the difference is between a threading.Thread() object and a multiprocessing.Process() one. Also, … Read more

How to change the datetime format in Pandas

My dataframe has a DOB column (example format 1/1/2016) which by default gets converted to Pandas dtype ‘object’. Converting this to date format with df[‘DOB’] = pd.to_datetime(df[‘DOB’]), the date gets converted to: 2016-01-26 and its dtype is: datetime64[ns]. Now I want to convert this date format to 01/26/2016 or any other general date format. How … Read more