Python

Loop through a dataframe, using specific values for individual dates

I have a dataframe that looks like the below. I want to create a new column titled ‘Daily Change’ which will be the result of the first ‘Open’ price of each day divided by the ‘Open’ price for each 5 minute interval. Once the dates changes I need to the first open price of that day and so on. This

How to dynamically change the value of variable in functions while using multiprocessing

multiprocessing python python-multiprocessing

how can i dynamically change the value of lis so that every second it’ll output a list in which the last element is 2x the last element of the previous list . i need the output to be something like this but right now the output is I tried using global lis but that didnt work either. Answer You can

python – storing lists as text and converting back again without separation issues

python

what I want is to read and write list of texts to a txt file without separation issues here’s a example from browsers if I search ‘cats dogs’, the link becomes ‘cats+dogs’ if I search ‘cats+dogs’, the link becomes ‘cats%2Bdogs’ if I search ‘cats%2Bdogs’, the link becomes ‘cats%252Bdogs’ it is little ahead of my skills rn (: Answer It looks

Python panda’s dataframe boolean Series/Column based on conditional next columns

dataframe pandas python

I’m having trouble describing exactly what I want to achieve. I’ve tried looking here on stack to find others with the same problem, but are unable to find any. So I will try to describe exactly what I want and give you a sample setup code. I would like to have a function that gives me a new column/pd.Series. This

Bot unable to assign roles despite having the correct privileges

permission-denied pycord python

While developing a custom verification bot for one of my Discord servers I encountered a seemingly unfixable permission error. I am using the pycord rewrite fork (Pycord v2.3) and the exception I am encountering is: The issue is that even though I have invited my bot to my Discord server with administrative permissions it cannot edit/assign roles for applicable server

How to Create None Value into Python Pandas

python

Hello Guys How can i add “text” when the value is none? or maybe add NAN value… Answer I think you could use fillna() method to achieve your goal. It would look like that: Also there’s a function called isna(). You could use it like that:

Sharing instance of proxy object across processes results in pickle errors

python python-multiprocessing

I’m trying to implement a simple shared object system in python between several processes. I’m doing the following: However on Python 3.9, this keeps failing for various pickle errors, like _pickle.UnpicklingError: invalid load key, ‘x0a’. Am I doing something incorrect here? AFAIK it should be possible to read/write concurrently (several processes) from/to a Manager object (FYI I’ve created an issue

Rotate a line by a specific angle

math python

I have a line with lenght of l and p1 and p2 and i want to rotate it by angle. I was using this matrix but it doesn’t work. matrix I have this code in python: Answer You first need to specify an origin point, the rotation will be created around that point. You can adapt your code and use

How to get parameter values out of json post

api bing json maps python

I am trying to use the bing maps api to get travel time and distance between 2 gps coordinates. I get a json answer, however, I am not able to get the values out of this dictionary ? gives the following result: now: how do I get the travelDistance out of this ? (14.511 in this case) or the travelDuration