Let’s say I have below dataframe: and by design each user has 3 rows. I want to turn my DataFrame into: I was trying to groupBy(col(‘user’)) and then pivot by ticker but it returns as many columns as different tickers there are so instead I wish I could have fixed number of columns. Is there…
Type hint for return value in subclass
I am writing a CustomEnum class in which I want to add some helper methods, that would then be available by the classes subclassing my CustomEnum. One of the methods is to return a random enum value, and this is where I am stuck. The function works as expected, but on the type-hinting side, I cannot figure ou…
Filtering the specific data for response in DRF
I have following response data But I want to remove the dictionary whose id = 10 from the response data ,how can I do that ? I have following lines of code.. In serializers.py Any help would be appreciated !! Answer What happens if you do something as following :
How to get all the factors of a number n when I know all the factors of the square root of n?
I have an algorithm that returns a list of all the factors of the n but only checks up to sqrt(n). However, I am aware that one can get the factors of n using only the list of factors of sqrt(n). Function: The code above returns [1, 2, 4, 5, 10] for an input of n=100, but I need to
Getting KeyError when trying to access key in a dictionary
I’m using Boto3 of AWS to describe the security group and trying to access the FromPort key for all the security groups available in a particular region. But when I’m trying to do so it will list some of the ports and then throws the KeyError. Code: Output: Answer Your code is assuming that the en…
Pandas: Replace value in column by using another column, if condition is true
I have the following dataframe: I would like to replace value in column Sector_y by using column Sector_x, if Sector_y = ” so that I get the following result: I tried using the code but didn’t deliver the result I wanted. Any suggestions how to solve the problem? Answer Fix np.where
Pandas – take multiple columns and transform them into a single column of dictionary objects?
I am trying to transform a DataFrame by combining extra columns into a dictionary. my DataFrame will always have four columns, at least: record, yhat, residual, and hat, with additional columns in different cases. My current df head looks like this: If we look at the top column, we see that there are 2 additi…
How do I randomly select multiple images from folders and then layer them as a single image in Python?
I’m trying to use python to create a composite .png of randomly selected and layered png’s all with transparent backgrounds, so all layers are visible in the finished piece. For example using different coloured circles of decreasing size: a folder of the largest circles called ‘layer1’…
pandas: Create new column by comparing DataFrame rows with columns of another DataFrame
Assume I have df1: And a df2: I’m looking for a way to create a new column in df2 that gets number of rows based on a condition where all columns in df1 has values greater than their counterparts in df2 for each row. For example: To elaborate, at row 0 of df2, df1.alligator_apple has 4 rows which values…
How to highlight in rich.prompt.Prompt
I have this highlighter If I do something like console.print() it gives the custom highlighting but it dosen’t give custom highlighting for rich.prompt.Prompt.ask() How can I get the highlighter for rich.prompt.Prompt.ask() Answer Are you expecting the text you enter to be highlighted as you type? Rich …