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python-3.x

How to make a custom object iterable?

August 12, 2022 by Magenaut

I have a list of custom-class objects (sample is below).

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

ValueError: malformed string when using ast.literal_eval

August 12, 2022 by Magenaut

It is widely known that using eval() is a potential security risk so the use of ast.literal_eval(node_or_string) is promoted

Categories Python, Q&A Tags python, python-2.7, python-3.x Leave a comment

Tkinter IntVar returning PY_VAR0 instead of value

August 12, 2022 by Magenaut

I have a Checkbutton and an IntVar object associated with it, but when I try to get the value of the var, I am receiving PY_VAR0.

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

“RuntimeError: generator raised StopIteration” every time I try to run app

August 12, 2022 by Magenaut

I am trying to run this code:

Categories Python, Q&A Tags python, python-3.7, python-3.x, runtime-error, stopiteration Leave a comment

Is there anything faster than dict()?

August 12, 2022 by Magenaut

I need a faster way to store and access around 3GB of k:v pairs. Where k is a string or an integer and v is an np.array() that can be of different shapes.

Categories Python, Q&A Tags dictionary, numpy, python, python-3.x, python-internals Leave a comment

Travel directory tree with limited recursion depth

August 12, 2022 by Magenaut

I need to process all files in a directory tree recursively, but with a limited depth.

Categories Python, Q&A Tags directory-structure, os.walk, python, python-3.x, subdirectory Leave a comment

Python type hinting with exceptions

August 12, 2022 by Magenaut

I have a function that looks like this:

Categories Python, Q&A Tags exception, python, python-3.x, python-typing, type-hinting Leave a comment

Accessing dictionary items by position in Python 3.6+ efficiently

August 12, 2022 by Magenaut

I understand dictionaries are insertion ordered in Python 3.6+, as an implementation detail in 3.6 and official in 3.7+.

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

“GetPassWarning: Can not control echo on the terminal” when running from IDLE

August 12, 2022 by Magenaut

When I run this code:

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

Disable hash randomization from within python program

August 12, 2022 by Magenaut

Starting with Python 3.3, the hashing algorithm is non-deterministically salted to avoid a certain kind of attack. This is nice for webservers but it’s a pain when trying to debug a program: Every time I run my script, dict contents are iterated in a different order.

Categories Python, Q&A Tags hash, python, python-3.x 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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