python-3.x Archives - Page 3 of 15

Programming, Python

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Concurrent.futures vs Multiprocessing in Python 3

Python 3.2 introduced Concurrent Futures, which appear to be some advanced combination of the older threading and multiprocessing modules. What are the advantages ...

May 29, 2022
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Programming, Python

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Find column whose name contains a specific string

I have a dataframe with column names, and I want to find the one that contains a certain string, but does not exactly ...

May 29, 2022
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Programming, Python

IT Nursery

Difference between except: and except Exception as e:

Both the following snippets of code do the same thing. They catch every exception and execute the code in the except: block Snippet ...

May 29, 2022
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Programming, Python

IT Nursery

How to use pip with Python 3.x alongside Python 2.x

I installed Python 3.x (besides Python 2.x on Ubuntu) and slowly started to pair modules I use in Python 2.x. So I wonder, ...

May 29, 2022
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Programming, Python

IT Nursery

Anaconda export Environment file

How can I make anaconda environment file which could be use on other computers? I exported my anaconda python environment to YML using ...

May 29, 2022
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Programming, Python

IT Nursery

What is a good practice to check if an environmental variable exists or not?

I want to check my environment for the existence of a variable, say "FOO", in Python. For this purpose, I am using the ...

May 28, 2022
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Programming, Python

IT Nursery

TypeError: a bytes-like object is required, not ‘str’ in python and CSV

TypeError: a bytes-like object is required, not ‘str’ getting above error while Executing below python code to save the HTML table data in ...

May 28, 2022
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Programming, Python

IT Nursery

Django TemplateDoesNotExist?

My local machine is running Python 2.5 and Nginx on Ubuntu 8.10, with Django builded from latest development trunk. For every URL I ...

May 28, 2022
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Programming, Python

IT Nursery

How to replace NaNs by preceding or next values in pandas DataFrame?

Suppose I have a DataFrame with some NaNs: >>> import pandas as pd >>> df = pd.DataFrame([[1, 2, 3], [4, None, None],...

May 28, 2022
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Programming, Python

IT Nursery

What is the ‘@=’ symbol for in Python?

I know @ is for decorators, but what is @= for in Python? Is it just reservation for some future idea? This is ...

May 27, 2022
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