I have two dataframes colored by approximately matching marks: df1: df2: The “marks” are not the same in each of them, but some are close. How can I copy the “Evaluated” value from df2 to df1 based on relevant “name” and “mark”? My code is: Expected result is df…
Tag: python
Python Web Scraping – handling page 404 errors
I am performing web scraping in via Python Selenium Chrome headless driver which involves executing a loop: However, sometime the page might not exist when the customer ID is certain number. I have no control over this and the code stops with page not found 404 error. How do I ignore this though and just mo…
Checking Previous elements in a list with Python and based on the previous element store a value in a new column with Pandas
I have a table which contains 2 columns. the code will check the previous element of list and look for ( Startup / Shutdown ) : Example : if a Crash is after a Startup ; State column will be filled with Startup in front of that Crash as the table below : Crashes State Crash in A Startup Crash
Is there a better way to increment a timestamp column in a pandas dataframe?
I’m working with a large pandas dataframe and want to add a timestamp column which correlates to the value of another column. For example, the current dataframe looks like this: Server Hour server1 0 server2 0 server1000 0 server1 1 server2 1 and so on, with the hours column at ranging from 0-167, as th…
How can I Insert multiple rows with one query
I made a code allowing me to GET data from an API and insert it into a database. But I encounter a problem my api contains about 20 million data and to insert everything in my database it will take me 43 days :) I think the problem comes from the fact that I insert the data one by one.
Load a npz in numpy from bytes
I have a npz file saved from numpy that I can load by using numpy.load(mynpzfile). However, I would like to save this file as a part of a binary file, packed with another file. Something like: However, when reading back the npz I get an error. I have tried load and frombuffer, and both give me an error: fromb…
Python: Memory-efficient random sampling of list of permutations
I am seeking to sample n random permutations of a list in Python. This is my code: Although the code does what I want it to, it causes memory issues. I sometimes receive the error Memory error when running on CPU, and when running on GPU, my virtual machine crashes. How can I make the code work in a more
python async with AsyncKernelManager and Qt not executing
I’m trying to execute code inside a jupyter kernel in a Qt application. I have the below snipplet that is supposed to asynchronously run the code and then print the result With the above I get the following output so trying to adjust the code according to an example from qasync to something like will re…
How to override js method in Odoo 15?
Can anyone give me minimal code so that any method I can override for JS method? Answer You need to extend in-place a class in the registry, it is documented in the point of sale ClassRegistry. Example
Serving file asyncronously with Django and uvicorn
I have a Django view that serves the content of a file. The Django application was running with WSGI until recently. This worked fine. Then I adapted my application to use ASGI running uvicorn. The file serving is now broken as it seems to loose the connection. How can I serve the file asynchronously with Dja…