To preface I’m fairly new to Docker, Airflow & Stackoverflow. I’ve got an instance of Airflow running in Docker on an Ubuntu (20.04.3) VM. I’m trying to get Openpyxl installed on build in order to use it as the engine for pd.read_excel. Here’s the Dockerfile with the install comman…
Tag: python
The find_elements () function in Selenium consumes a lot of RAM
Description of the situation: It is a script that scrolls in a frame in order to extract the information. The list length of about 30 items, when scrolling, no new items are added <li> </li>, only updated. The structure of the DOM does not increase. Explaining the problem: When the script scrolls,…
How to replace multiple column values for specific row in python dataframe?
I have dataframe with thousand columns, I want to replace a few columns (which I stored in a dictionary) for a specific row, how can I do that? If you have another method to do without considering the dictionary then please suggest me, I will twerk my code accordingly. I just want to complete this operation. …
Representing boolean with enum options in json to generate json schema with genson
I am trying to use genson python library to build a json schema which then will be used on frontend to generate a dynamic form. In this case I want frontend to create a radio button based on schema values. But I have issue with boolean types. For example, this is how my json data looks like and this is
install pygame module for python2.7
I already installed pygame for Python3 (on windows) But now I want to run a source code written with Python2.7 It gives this error when I run the code : ImportError: No module named pygame how can i use pygame for python2.7?(how can i fix it?) thanks Answer I solved my problem by using pip for different versi…
Dash bootstrap how to split the app layout
I am having some trouble to achieve the layout in the image below. What is left is for me is to add those 3 graphs that I included in blue. So far, I have included everything in 1 row using up all 12 columns: Col 1: with dropdowns and checklists → width=2 Col 2 → 12: all those cards/boxes on
Create new columns based on previous columns with multiplication
I want to create a list of columns where the new columns are based on previous columns times 1.5. It will roll until Year 2020. I tried to use previous and current but it didn’t work as expected. How can I make it work as expected? Answer IIUC you can fix you code with: Another, vectorial, approach with…
How to scrape only a single href from a div class?
I would like to extract the content of the 1st <a href> from this <div> I’m using BeautifulSoup and I’m also scraping some other contents from the same page and by using the following solution as result for abstract I’m having None Is there a system to reach the first href by usi…
Consecutively split an array by the next max value
Suppose I have an array (the elements can be floats also): The goal is, starting from the beginning of the array, to find the max value (the last one if there are several equal ones) and cut the anterior part of the array. Then consecutively repeat this procedure till the end of the array. So, the expected re…
Time & memory complexity management with multi-dimensional matrices using parallelisation and numpy
I have a time series of very large matrices. I am trying to speed up the process and was wondering the most optimal way to do this. The two things that came to mind are to parallelize the process using numba or to apply a function to the matrices such as with np.apply_along_axis. Speed and memory complexity a…