KivyMD Hot Reload May anybody explain every single thing to do a (hot reload) method in KivyMD? I have been watching a lot of videos, but nothing working for me. There’s no specific error to solve it. Answer I had trouble getting it started too at first… I figured it out by watching kivymd’s…
Tag: python
Merge lists in a dataframe column if they share a common value
What I need: I have a dataframe where the elements of a column are lists. There are no duplications of elements in a list. For example, a dataframe like the following: I would like to obtain a dataframe where, if at least a number contained in a list at row i is also contained in a list at row j,
Populating Country column from international phone numbers
I have a dataframe with several data including the column phone. I would like to create a column name country, based on the phone numbers. The phone numbers are in the format +country_code_phonenumber, i.e.,for several countries. Example What is the best way to do this with the library phonenumbers? Or is the…
Check a list contains given elements
I want to check if my list’s first four elements are digits. what i did is as follows: But this gives the following error. How can I achieve this? Answer The error is telling you that you can’t do some_list in some_string – after all, a list consists of characters, not lists, so it’s p…
How to write a test that checks if was added type annotation in function?
I have a function. And I want to add a test that checks that function and parameters have a type annotation. It is needed by other developers don’t change input and output types. Any idea how to do that? I want to use pytest, maybe mocks? Answer You can use the get_type_hints function from typing: Resul…
Two constraints setting together in optimization problem
I am working on an optimization problem, and facing difficulty setting up two constraints together in Python. Hereunder, I am simplifying my problem by calculation of area and volume. Only length can be changed, other parameters should remain the same. Constraint 1: Maximum area should be 40000m2 Constraint 2…
‘SessionStore’ object has no attribute ‘cart’ – Django
I generated a basket with 2 products, at the level of the basket page and also on this same page I added a form to insert the customer’s name. by clicking on the submit button which will send the request to a view for insert into the database. but I have an error (‘SessionStore’ object has n…
Python – len function not working as expected, and giving me the error “TypeError: object of type ‘int’ has no len()”
While studying linked lists from – https://composingprograms.com/pages/23-sequences.html#linked-lists The program recognizes four as a linked list, But when i plug in x it returns an error instead of returning “False”. If i change value of x to just [1] or [1,2,3] it returns as expected, but…
ModuleNotFoundError : No module named with locust
When I try to import external library of my project in my locust python file, each time I have the error “ModuleNotFoundError : No module name ‘…’. Apparently is not clear but locust is installed and works. I have a task to make REST API call and it’s ok. But I need to make some …
How to avoid my program stopping because of a invalid index number when calling a tuple
I’m trying to make a pokémon text based journey in python. I listed the starter pokémon in a tuple to call the number that the user typed in the input to then store the chosen starter pokémon. It all works but when the user would type a different integer then availabe in the tuple, for example: writing …