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python

How accurate is python’s time.sleep()?

August 20, 2022 by Magenaut

I can give it floating point numbers, such as

Categories Python, Q&A Tags python, sleep, time Leave a comment

Split a string by spaces — preserving quoted substrings — in Python

August 20, 2022 by Magenaut

I have a string which is like this:

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

Create Pandas DataFrame from a string

August 20, 2022 by Magenaut

In order to test some functionality I would like to create a DataFrame from a string. Let’s say my test data looks like:

Categories Python, Q&A Tags csv, csv-import, pandas, python, string Leave a comment

What are the arguments to Tkinter variable trace method callbacks?

August 20, 2022 by Magenaut

Python has classes for Tkinter variables StringVar(), BooleanVar(), etc. These all share the methods get(), set(string), and trace(mode, callback). The callback function passed as the second argument to trace(mode, callback) is passed four arguments, self, n, m, x.

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

threading.Timer – repeat function every ‘n’ seconds

August 20, 2022 by Magenaut

I want to fire off a function every 0.5 seconds and be able to start and stop and reset the timer. I’m not too knowledgeable of how Python threads work and am having difficulties with the python timer.

Categories Python, Q&A Tags multithreading, python, python-multithreading, timer Leave a comment

Security of Python’s eval() on untrusted strings?

August 20, 2022 by Magenaut

If I am evaluating a Python string using eval(), and have a class like:

Categories Python, Q&A Tags eval, python, security Leave a comment

Simple Digit Recognition OCR in OpenCV-Python

August 20, 2022 by Magenaut

I am trying to implement a “Digit Recognition OCR” in OpenCV-Python (cv2). It is just for learning purposes. I would like to learn both KNearest and SVM features in OpenCV.

Categories Python, Q&A Tags computer-vision, numpy, ocr, opencv, python Leave a comment

Skip the headers when editing a csv file using Python

August 20, 2022 by Magenaut

I am using below referred code to edit a csv using Python. Functions called in the code form upper part of the code.

Categories Python, Q&A Tags csv, python, python-2.7 Leave a comment

How to jump to a particular line in a huge text file?

August 20, 2022 by Magenaut

Are there any alternatives to the code below:

Categories Python, Q&A Tags python, text-files Leave a comment

Unable to locate element using selenium chrome webdriver in python selenium

August 20, 2022 by Magenaut

I am new to python and trying to do some webscraping but have some real issues. May be you can help me out.

Categories Python, Q&A Tags css-selectors, python, selenium, webdriverwait, xpath 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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