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python

Run certain code every n seconds

August 21, 2022 by Magenaut

Is there a way to, for example, print Hello World! every n seconds? For example, the program would go through whatever code I had, then once it had been 5 seconds (with time.sleep()) it would execute that code. I would be using this to update a file though, not print Hello World. For example: startrepeat("print('Hello … Read more

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

Understanding NumPy’s einsum

August 21, 2022 by Magenaut

I’m struggling to understand exactly how einsum works. I’ve looked at the documentation and a few examples, but it’s not seeming to stick.

Categories Python, Q&A Tags arrays, multidimensional-array, numpy, numpy-einsum, python Leave a comment

How to convert an XML file to nice pandas dataframe?

August 21, 2022 by Magenaut

Let’s assume that I have an XML like this:

Categories Python, Q&A Tags dataframe, pandas, parsing, python, xml Leave a comment

How to split Vector into columns – using PySpark

August 21, 2022 by Magenaut

Context: I have a DataFrame with 2 columns: word and vector. Where the column type of “vector” is VectorUDT.

Categories Python, Q&A Tags apache-spark, apache-spark-ml, apache-spark-sql, pyspark, python Leave a comment

Install a module using pip for specific python version

August 21, 2022 by Magenaut

On Ubuntu 10.04 by default Python 2.6 is installed, then I have installed Python 2.7. How can I use pip install to install packages for Python 2.7.

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

Scope of python variable in for loop

August 21, 2022 by Magenaut

Here’s the Python code I’m having problems with:

Categories Python, Q&A Tags for-loop, python, scope Leave a comment

String formatting in Python

August 21, 2022 by Magenaut

I want to do something like String.Format("[{0}, {1}, {2}]", 1, 2, 3) which returns:

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

How to redirect output with subprocess in Python?

August 21, 2022 by Magenaut

What I do in the command line:

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

How to save a new sheet in an existing excel file, using Pandas?

August 21, 2022 by Magenaut

I want to use excel files to store data elaborated with python. My problem is that I can’t add sheets to an existing excel file. Here I suggest a sample code to work with in order to reach this issue

Categories Python, Q&A Tags openpyxl, pandas, python, xlsxwriter Leave a comment

Why does Python code run faster in a function?

August 21, 2022 by Magenaut

Some opcodes tend to come in pairs thus making it possible to
predict the second code when the first is run. For example,
GET_ITER is often followed by FOR_ITER. And FOR_ITER is often
followed by STORE_FAST
or UNPACK_SEQUENCE.

Categories Python, Q&A Tags benchmarking, cpython, performance, profiling, 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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