I have a pandas dataframe with 4 columns – A, B, C,D and E. I want create groups by column A and then find the max of column B and C and then populate E with the corresponding value present in D as shown in example below. The condition here is that Column E is to be populated with 0,
Using a variable as a Filename Python
I cannot get using a variable in the filename to work without throwing an error. I have tried formatting the string as shown above as well as concatenating the variables. Is there anything I can do to solve this? Answer One issue was the closing parentheses, also the date format contain / (slash ex:07/07/21) which will make the filename with
Python bs4: select specific links in soup
I know similar questions were asked before but no adaptation of other solutions yielded the desired result. Suppose a bs4 soup contains many elements like the one below: How can I extract the link in the very first line (href=”extract_this_link”) for all elements in the soup and store them in a list? Any help is greatly appreciated! Answer
Pull values from the JSON in order – first all the first character, then all the seconds and etc
This is JSON: This is my current code: This code will simply print all values in order: but I need that loop will get the first value from each section and will return Answer Maybe something like this:
flask/pythonanywhere – FileNotFoundError: [Errno 2] when trying to create a new folder
I am having problems when deploying a Flask app into pythonanywhere. I do have a signup form and when the user sings up, I want to create a folder with the username and a .josn file inside the folder to store other data that the user will input later on. It works perfectly in my local server, but when uploading
Flask unable to send image back in json response
Attempting to send an image to the client browser – the following code works perfectly – please assume that I am receiving the correct base64.b64encoded byte stream: On my development box. Move it to a flask production running under gunicorn and I get JSON serialization errors: TypeError: Object of type bytes is not JSON serializable I am also getting this
How do I mock google cloud storage functions for my unittest ? (Python)
The following is my function that I want to unit test: Since I want to unit test in isolation without any dependencies or internet, I would like to mock the google cloud client object and its functionality of list_blobs. Is that the correct way of going about unittesting this function? If so, how do I mock the above mentioned ?
How to organize data from API source to output from Python into Excel?
I’m using requests (see below) to call API source and fetch some data (see below). I’m not sure how to deal with it. It looks like JSON and/or a dictionary but I have no idea how to process it in Python before exporting to Excel. I understand, I have not imported JSON at this stage but I can. My code:
What triggers the KeyError: ‘SQLALCHEMY_TRACK_MODIFICATIONS’?
I already looked at other threads concerning this error, which all indicate that this error is due to multiple instances of “app = Flask(name)”. But since I only have one, I hope someone here can help me figure this one out. I try to keep the code minimal, but enough to reproduce the error routes.py: models.py: create statements for the
Python count down timer for date, hour, minute and second
In this link on the second example i found a count down timer, but it only works for minutes and seconds, how can i make it work for hours and days too. This is the code Answer First things first: Using .sleep() as a timer is not a good idea. Sleep() doesn’t take into consideration the time necessary to run