I have a minimum example here of a QTableView widget that displays a long string that I want word wrapped when I start the app. When I run the above I get this but when I resize the window manually just slightly, I get what I’m expecting How would I get the second image as the state when the app
Tag: python
What’s the difference between FastAPI background tasks and Celery tasks?
Recently I read something about this and the point was that celery is more productive. Now, I can’t find detailed information about the difference between these two and what should be the best way to use them. Answer Straight from the documentation: If you need to perform heavy background computation an…
Updating values inside a python list
I want to update the price by using the function update_item. It fails at update_price = append(a[‘price’].data_2) Answer You can assign the value to the dictionary, with:
Python Selenium – how to get all urls on a page that only load the link after clicking on the div?
I’m trying to scrap the results from this page https://www.zapimoveis.com.br/aluguel/apartamentos/sp+sao-paulo+zona-sul+itaim-bibi/ using Selenium, but I got stuck on obtaining the url of each result. It seems safe to say that each card’s url is not stored on a <a> element and apparently not…
I rewrite a matlab code in python but they result different outputs
the matlab code and the output i was expecting (gauss elimination method) my code in python: the output i got: Answer Your problem is related to casting. Without info, numpy cast your matrix to integer numbers, so when you divide, the result is not a float. For example 2 / 6 = 0 and not 0.33333. If you put yo…
Python – Use multiple str.startswith() in a for loop get their specific values
The below function parses multiple csv files in a directory and takes out values using str.startwith(). It works find using ‘firstline.startswith(‘TrakPro’)’ and ‘txt.startswith(‘Serial’)’. However, when I add a third str.startwith() i.e. txt2.startswith(‘…
Chain df.str.split() in pandas dataframe
Edit: 2022NOV21 How do we chain df.col.str.split() since this returns the split columns if expand = True I am trying to split a column after performing .melt(). If I use assign I end up using the original column and the melted column actually does not even exist. Answer Using expand converts it into a DataFra…
Func for temporary text in many tkinter Entry widget?
I want to put a temporary text in more than 1 entry with tkinter, but my func is not working. I have this situation: Its working, but… I wan’t to use the same func for other entrys, like this one: Any ideas on how to make it universal? Answer Here’s a PlaceholderEntry widget that should to w…
How to save a list in a pandas dataframe cell to a HDF5 table format?
I have a dataframe that I want to save in the appendable format to a hdf5 file. The dataframe looks like this: And the code that replicates the issue is: Unfortunately, it returns this error: I am aware that I can save each value in a separate column. This does not help my extended use case, as there might be
How to access `ApplyResult` and `Event` types in the multiprocessing library
I’ve written a working wrapper around the python multiprocessing code so I can easily start, clean up, and catch errors in my processes. I’ve recently decided to go back and add proper type hints to this code, however I can’t figure out how to use the types defined in multiprocessing correct…