Within a div tag there is text I wan to extract but within a leading introduction and a footer which is unfortunatelly inside the div. There are always 3 BR tags at the beginning and 2 BR tags at the end of the text, where the text inbetween might also be devided with BR tags itself. The simple example looks
Problem to install pygame on ubuntu 20.04LTS
I am on Ubuntu 20.04LTS, and I try to install pygame (for python) for a school project. But when I try this: I received an error: Can you help me, please? Answer Try installing it with instead. The error you are getting is because you are missing the Pygame dependencies, which apt should install for you. As a…
How to get index of the max element from two lists after sorting it?
I have three lists price1, price2 and deviation. I wanted to find the top three highest price between price1 and price2. So to achieve that I first sorted them in decreasing order then I took the first 3 elements from both the list price1 and price2, and after that, I found the max between each max. Now I wan…
How to use scipy.optimize.fmin with a vector instead of a scalar
When using Scipy’s fmin function, I keep encountering the error message: ValueError: setting an array element with a sequence I have seen that this question has been asked already some times, and I have read interesting posts such as: ValueError: setting an array element with a sequence Scipy optimize f…
Extending frozen dataclass and take all data from base class instance
Suppose we have a class coming from a library, I have a dog constructor coming from an external library. I would like this dog to have a new member, let’s say ‘bite’. Obviously pluto[‘bite’] = True will fail, since dataclass is frozen. So my idea is to make a subclass from Dog an…
How to start Microsoft Edge from Python script using webbrowser
Using webbrowser lib, I can start both Chrome and Firefox from a python script. It fails for Edge. I noticed ways to start Edge using webdriver but my question here is if it is possible to use the following script for edge. It currently starts Chrome only. Answer Cant speak for your version of Windows, but in…
Multiple (matplotlib) plots generated in loop not visibly updating
So I’m trying to generate two separate figures in a loop, such that on each iteration the plots are refreshed with the most recent output of a function: However what’s happening is that only figB is visibly updated, while figA is not. Once the loop completes, then both plots display the final outp…
QGridlLayout with non-stretchable-height rows
I’m trying to build a QGridLayout with stretchable-width columns but non-stretchable-height rows. The grid in inside a QScrollArea, and with the exception of the height, it’s almost working. You can see it in the following images: As you can see, the rows are being vertically stretched. I would li…
Convert np.nan to pd.NA
How can I convert np.nan into the new pd.NA format, given the pd.DataFrame comprises float? Making use of pd.convert_dtypes() doesn’t seem to work when df comprises float. This conversion is however working fine when df contains int. Answer From v1.2 this now works with floats by default and if you want…
how to get only specific values from dictionary using key in python
I have this kind of 50 dictionary means that I have over 50 kind of dictionary for different values. like symbol and other key value. I want to get only symbol and open values in a list. What I have tried: Here data is the dictionary as mentioned above. please help. here is an example of several dictionaries.…