I am trying to extract the labels from a file path of the form: The labels are 26, 0 and 3 in the file name first I create a list dataset: then I define a function that reads the image and gets the labels and use .map() on list_ds when I print some one of the labels as a sanity
Plotly: How to display a regression line for one variable against multiple other time series?
With a dataset such as time series for various stocks, how can you easily display a regression line for one variable against all others and quickly define a few aesthetic elements such as: which variable to plot against the others, theme color for the figure, colorscale for the traces type of trendline; linear or non-linear? Data: Reproducible through: Answer The
How to convert a list with dictionaries into new pandas columns?
I have a dataframe which has a list of dictionaries as a column: This column has the following format: How can I convert this column into 4 new columns? I mean: route_id (x2), stop_id(x2) as new columns. Thanks in advance! Answer You can use df.explode with df.apply:
How can I use Yield and Range to get the position and item from a list?
I’d like to implement yield and range to challenge myself and get a better understanding of both. I’m trying to use yield to loop through a function to get a random number within the list. And range used somewhere within as well. The current function below I have isn’t currently working. Answer The following may hint you at what’s going
Converting time to take away
Hiya so I have a data frame which has the time something occurs in one column and the time that it ends in the next column. I need to try and find the time difference between the two, but theyre both strings so it wont simply let me compare them, is there a way I can change them to ints
Define Python type hints in for-loop inside class body
I have the following code in Python: The type hints are used upon instantiation of MyDesign to dynamically add instances of the various Modules. I chose this syntax because the class MyDesign is really just a “template” defining what Modules it’s composed of, but the instantiation of modules needs some arguments only available when MyDesign is being instantiated. I would
Pytesseract read coloured text
I am trying to read coloured (red and orange) text with Pytesseract. I tried to not grayscale the image, but that didn’t work either. Images, that it CAN read Images, that it CANNOT read My current code is: Answer This little function (below) will do for any color ec9Ut.png Thresh result x18MN.png Thresh result SFr48.png Thresh result Output
OPENCV – !ssize.empty()
THIS IS MY CODE: Guys, this is the part of my code. I am trying to resize my image but ıt gives the following error: error: OpenCV(4.0.1) C:ciopencv-suite_1573470242804workmodulesimgprocsrcresize.cpp:3784: error: (-215:Assertion failed) !ssize.empty() in function ‘cv::resize’ Do you have any suggestions to solve this? Answer If I’m not mistaken, you want to resize the video frames with the same size of
Regular Expression split w/ Lookbehind loses second half
I have a string that contains a number of keywords. I would like to split the string into a list of those keywords (but keep the keywords because they identify what the following data means) Take the following string for example: the important keywords are “ttyp”, “pfil”, “tsng”, “tart”. I would like to split the file so the output looks:
More pythonic way of item_list[-1] != item_list[-2]?
I’m updating and then referring to the last item added to a list to determine an outcome, for example: I don’t need to refer to any other list element, just item_list[-1] & [-2]. Is there a more pythonic way of doing this? This code is for on_message using websockets, and the item_list is being updated once per second or once