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python

When to use %r instead of %s in Python?

August 13, 2022 by Magenaut

On Learn Python the Hard Way page 21, I see this code example: x = "There are %d types of people." % 10 … print "I said: %r." % x Why is %r used here instead of %s? When would you use %r, and when would you use %s? Answers: Thank you for visiting the … Read more

Categories Python, Q&A Tags python, string, string-formatting Leave a comment

How do I eliminate Windows consoles from spawned processes in Python (2.7)?

August 13, 2022 by Magenaut

Possible Duplicate:
Running a process in pythonw with Popen without a console

Categories Python, Q&A Tags popen, python, subprocess, windows Leave a comment

pandas or python equivalent of tidyr complete

August 13, 2022 by Magenaut

I have data that looks like this:

Categories Python, Q&A Tags pandas, python, python-3.x Leave a comment

Most Pythonic Way to Build Dictionary From Single List

August 13, 2022 by Magenaut

I have a list of day names (typically Monday-Saturday, though special cases apply) that I want to create a dictionary out of. I want to initialize the value of each day to zero.

Categories Python, Q&A Tags dictionary, list, python Leave a comment

Where should I place the secret key in Flask?

August 13, 2022 by Magenaut

While reading exploreflask.com, I learned that it is best practice to use two different config files, one for development and one for production. I don’t understand whether to place the secret key inside of the development or production config.

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

How to conditionally combine two numpy arrays of the same shape

August 13, 2022 by Magenaut

This sounds simple, and I think I’m overcomplicating this in my mind.

Categories Python, Q&A Tags arrays, numpy, python Leave a comment

Generate sql with subquery as a column in select statement using SQLAlchemy

August 13, 2022 by Magenaut

Is there a way to make SQLAlchemy generate a query with a custom column that is a subquery that correlates with current row:

Categories Python, Q&A Tags correlated-subquery, postgresql, python, sqlalchemy Leave a comment

How to continuously prompt for user input?

August 13, 2022 by Magenaut

I’m writing a function that prompts for input and then returns different results based on the input and then asks for input again. I’ve got it returning the correct values, but I’m not sure how to make it prompt for input again.

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

How to create with Python’s cElementTree

August 13, 2022 by Magenaut

I have tried to use the answer in this question, but can’t make it work: How to create “virtual root” with Python’s ElementTree?

Categories Python, Q&A Tags elementtree, python, xml Leave a comment

Python: Checking if a ‘Dictionary’ is empty doesn’t seem to work

August 13, 2022 by Magenaut

I am trying to check if a dictionary is empty but it doesn’t behave properly. It just skips it and displays ONLINE without anything except of display the message. Any ideas why ?

Categories Python, Q&A Tags dictionary, python 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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