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python

“import datetime” v.s. “from datetime import datetime”

August 11, 2022 by Magenaut

I have a script that needs to execute the following at different lines in the script:

Categories Python, Q&A Tags attributeerror, datetime, python Leave a comment

BeautifulSoup: just get inside of a tag, no matter how many enclosing tags there are

August 11, 2022 by Magenaut

I’m trying to scrape all the inner html from the <p> elements in a web page using BeautifulSoup. There are internal tags, but I don’t care, I just want to get the internal text.

Categories Python, Q&A Tags beautifulsoup, python Leave a comment

How do I detect whether sys.stdout is attached to terminal or not?

August 11, 2022 by Magenaut

Is there a way to detect whether sys.stdout is attached to a console terminal or not? For example, I want to be able to detect if foo.py is run via: $ python foo.py # user types this on console OR $ python foo.py > output.txt # redirection $ python foo.py | grep …. # pipe … Read more

Categories Python, Q&A Tags console, python, terminal Leave a comment

Show matplotlib plots (and other GUI) in Ubuntu (WSL1 & WSL2)

August 11, 2022 by Magenaut

So it seems on ubuntu for windows (windows subsystem for linux) people are suggesting we need to use Agg backend and just save images, not show plots.

Categories Python, Q&A Tags linux, matplotlib, python, windows-subsystem-for-linux Leave a comment

How can I render a tree structure (recursive) using a django template?

August 11, 2022 by Magenaut

I have a tree structure in memory that I would like to render in HTML using a Django template.

Categories Python, Q&A Tags django, python Leave a comment

How to set up custom middleware in Django

August 11, 2022 by Magenaut

I am trying to create middleware to optionally pass a kwarg to every view that meets a condition.

Categories Python, Q&A Tags django, django-middleware, django-views, python Leave a comment

Parsing SQL with Python

August 11, 2022 by Magenaut

I want to create a SQL interface on top of a non-relational data store. Non-relational data store, but it makes sense to access the data in a relational manner.

Categories Python, Q&A Tags parsing, pyparsing, python, sql Leave a comment

Getting “global name ‘foo’ is not defined” with Python’s timeit

August 11, 2022 by Magenaut

I’m trying to find out how much time it takes to execute a Python statement, so I looked online and found that the standard library provides a module called timeit that purports to do exactly that:

Categories Python, Q&A Tags python, scope, timeit Leave a comment

scrapy: Call a function when a spider quits

August 11, 2022 by Magenaut

Is there a way to trigger a method in a Spider class just before it terminates?

Categories Python, Q&A Tags python, scrapy Leave a comment

Convert png to jpeg using Pillow

August 11, 2022 by Magenaut

I am trying to convert png to jpeg using pillow. I’ve tried several scrips without success. These 2 seemed to work on small png images like this one.

Categories Python, Q&A Tags image, python, python-3.x, python-imaging-library Leave a comment
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  1. michealSmith07 on Is there a way to dynamically refresh the less command?August 21, 2022

    That is a very nice post. I like this post.

  2. anonymous on Fix libwacom9 dependency issue when upgrade DebianJune 27, 2022

    saved my day!! Thanks for the help…

  3. sreedhar on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    Thanks its working

  4. saintnick on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    remove libwacom2 worked for me as well

  5. ranafoul on Fix libwacom9 dependency issue when upgrade DebianApril 22, 2022

    apt remove libwacom2 helped on kali 2022.01. gr8

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