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 any other Spark operator I
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 out a way
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 entry you are trying to
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 additional columns, RinvRes and AOMstat I
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’ contains 3 different coloured circles of the same size and position on transparent backgrounds,
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 are
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 doesn’t have that capability. You might want to look in to prompt_toolkit for that.