I have been racking my brain and scouring the internet for some hours now, please help. Effectively I am trying to create a self-contained function (in python) for producing a caesar cipher. I have a list – ‘cache’ – of all letters A-Z. Is it possible to analyze the string input (the &…
OpenCV/Hough Circles: How to apply a condition if circles is None
I have the following code: (this is the variable red_circles) Currently when i try use (if red_circles is None) this does not work.. i’m guessing the program throws an error if circles is none however i put the code inside a try, except commands. Any help will be very much appreciated. EDIT: I have adde…
Convert 2D dataframe to 3D numpy array based on unique ID
I have a dataframe in this format: … though my dataframe is much larger, with more than 500 hundred IDs. I want to convert this 2D – dataframe into a 3D array in this format (num_time_samples, value, ID). Essentially I would like to have one 2D-array for every unique ID. I plan on using the value …
Creating a sequentially joined list using a for loop in Python
I need help creating a new list z, where I will have list values as y0, x0, y1, x1, y2, x2, y3 in vertical order as an array. output: z = [1, 1, 1, 0, 0, 2, 2, 2, 2, 4, 4, 3, 3, 3, 8, 8, 4, 4, 4] I tried this for loop iteration, but instead of the
select variable number of tokens from pandas column based on tuples in another column
I have a data frame with two columns: sentence containing text and selector containing arrays of tuples of varying lengths. Consider the following data frame as an example: I now want to select the words from sentence at the position indicated by the second element in each tuple (ignoring the 10 in each tuple…
error : “, “.join(_PIL_INTERPOLATION_METHODS.keys()))) [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 7 months ago. Improve this question I…
Append dictionaries created using for loop in python
I have create dictionary d inside the function ic_strategy_2. ic_strategy_2 is iterated for each elements in list using for loop, which will create 3 dictionary. When below code is tested, only single dictionary is getting printed though I append it in for loop. I want to append multiple dictionary created fr…
How to sort by year using a date string in PyMongo Aggregate
Me and another programmer have run around in circles on this and cannot seem to find an answer online. We have a MongoDB collection into which we have inserted documents which have been pulled from an API. Each document has a field called attributes.created which is a string. The format of the string is like …
empty column in .toexcel() with pandas
i use pandas for python to generate a xlsx file with two other file. i take the first one as a template, and file the column with the second file. i wrote: but when i open my xlsx file the column ” and ‘Code du client *’ are empty, the other Columns are OK… I don’t know why it do…
“Expected type” warning from changing dictionary value from None type to str type within a function (Pycharm IDE)
I have a dictionary for which the key “name” is initialized to None (as this be easily used in if name: blocks) if a name is read in it is then assigned to name. All of this works fine but Pycharm throws a warning when “name” is changed due to the change in type. While this isn’t…