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 &…
Tag: python
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…
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…
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…
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…