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Python

Using python’s eval() vs. ast.literal_eval()

August 22, 2022 by Magenaut

I have a situation with some code where eval() came up as a possible solution. Now I have never had to use eval() before but, I have come across plenty of information about the potential danger it can cause. That said, I’m very wary about using it.

Categories Python, Q&A Tags abstract-syntax-tree, eval, python Leave a comment

Changing the “tick frequency” on x or y axis in matplotlib

August 22, 2022 by Magenaut

I am trying to fix how python plots my data.
Say:

Categories Python, Q&A Tags axes, matplotlib, plot, python, xticks Leave a comment

How do I sort a list of dictionaries by a value of the dictionary?

August 22, 2022 by Magenaut

How do I sort a list of dictionaries by a specific key’s value? Given:

Categories Python, Q&A Tags data-structures, dictionary, list, python, sorting Leave a comment

Reverse a string in Python

August 22, 2022 by Magenaut

There is no built in reverse function for Python’s str object. What is the best way of implementing this method?

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

What is the EAFP principle in Python?

August 22, 2022 by Magenaut

What is meant by “using the EAFP principle” in Python? Could you provide any examples?

Categories Python, Q&A Tags python Leave a comment

Convert all strings in a list to int

August 22, 2022 by Magenaut

In Python, I want to convert all strings in a list to integers.

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

How to get all possible combinations of a list’s elements?

August 22, 2022 by Magenaut

I have a list with 15 numbers in, and I need to write some code that produces all 32,768 combinations of those numbers.

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

How do I read and write CSV files with Python?

August 22, 2022 by Magenaut

I have a file example.csv with the contents

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

Python Dictionary Comprehension

August 22, 2022 by Magenaut

Is it possible to create a dictionary comprehension in Python (for the keys)?

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

What is Truthy and Falsy? How is it different from True and False?

August 22, 2022 by Magenaut

I just learned there are truthy and falsy values in python which are different from the normal True and False.

Categories Python, Q&A Tags boolean-expression, 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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