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python

Breaking out of nested loops

August 20, 2022 by Magenaut

Is there an easier way to break out of nested loops than throwing an exception? (In Perl, you can give labels to each loop and at least continue an outer loop.) for x in range(10): for y in range(10): print x*y if x*y > 50: "break both loops" I.e., is there a nicer way than: … Read more

Categories Python, Q&A Tags loops, nested-loops, python Leave a comment

Error after upgrading pip: cannot import name ‘main’

August 20, 2022 by Magenaut

Whenever I am trying to install any package using pip, I am getting this import error:

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

How can you rotate an image around an off center pivot in Pygame

August 20, 2022 by Magenaut

I want to rotate an image around a pivot, which is not in the center of the Surface in Pygame.
The pivot is the green cross in the image:

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

What is the intended use of the optional “else” clause of the “try” statement in Python?

August 20, 2022 by Magenaut

What is the intended use of the optional else clause of the try statement?

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

raw_input without pressing enter

August 20, 2022 by Magenaut

I’m using raw_input in Python to interact with user in shell.

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

What is the difference between a function, an unbound method and a bound method?

August 20, 2022 by Magenaut

I’m asking this question because of a discussion on the comment thread of this answer. I’m 90% of the way to getting my head round it.

Categories Python, Q&A Tags function, methods, oop, python Leave a comment

Download file from web in Python 3

August 20, 2022 by Magenaut

I am creating a program that will download a .jar (java) file from a web server, by reading the URL that is specified in the .jad file of the same game/application. I’m using Python 3.2.1

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

Aren’t Python strings immutable? Then why does a + ” ” + b work?

August 20, 2022 by Magenaut

My understanding was that Python strings are immutable.

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

Django URLs TypeError: view must be a callable or a list/tuple in the case of include()

August 20, 2022 by Magenaut

After upgrading to Django 1.10, I get the error:

Categories Python, Q&A Tags django, django-1.10, django-urls, python Leave a comment

Is there a way to detach matplotlib plots so that the computation can continue?

August 20, 2022 by Magenaut

After these instructions in the Python interpreter one gets a window with a plot:

Categories Python, Q&A Tags matplotlib, plot, 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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