So, I have a pretty large dataframe with 85 columns and almost 90,000 rows and I wanted to use str.lower() in all of them. However, there are several columns containing numerical data. Is there an easy solution for this? Than, after using something like df.applymap(str.lower) I would get: Currently it’s…
Unable to use subprocess in my colab python code
as part of a project I am doing wity Yolov4, I am trying to test multiple images with learned weights and copy the resulting images with added bounding boxes to my google drive. The following is the code I am running on colab. It just isn’t working, and there is no log messages to debug. Please not if I…
Numpy assignment of 3D array values using 2D index array
I have a 3D numpy array of zeros, with dimensions CxHxW (in this example, C=4, H=2, and W=3): I also have a 2D array of indices, with dimensions HxW, such that every value in the array is a valid index between [0, C-1] Is there a fast way, using vectorization, to modify array A such that A[B[i][j]][i][j] = 1,…
Plotly reformating Subplot Y axis values
Trying to turn the values in the Y axis into dollar amount, when using the update_layout method it only affects the first chart but not the others. I am not sure where to put the method, or how I could apply the formatting to each trace individually. Example of the Chart I am generating Answer You can format …
Matplotlib: I don’t know if I’m plotting in the correct way
When I need to plot 2 series on y axis, I don’t know if this is the best way. It works with lines, but it does not work with line + bars. If I set y2 kind=’bar’, this serie disappears. indexesM is my dataframe. This is the code: Answer I created a composite graph by customizing a sample from…
OR-Tools MIP Solver – Defining an objective in terms of int, instead of IntVar
I am trying to define an objective function which uses the current value of a variable, as an integer, for computation (as shown below): where x0, x1, x2 are IntVars. In my use case, the function foo is defined in a way that it requires int arguments. When I try and maximize objective_that_does_not_work, it r…
Linux command from python to execute inside subfolders
This is my folder structure: As their are many csv files inside a particular date. i want to combine all csv file inside each date folder with header of 1st file only into one single file and name is as orderno_year_month_date.csv. means every datefolder will have have only one csv named after their parent fo…
_tkinter.TclError: Item 1 already exists with tkinter treeview
I creating GUI interacting with treeview and I want to get all the value inside the list and show it in treeview window. I have a add button and once I click it, it will work fine. But on the second time, it shows an error Item 1 already exists. It also does not added to the list. This is
how to get the href link of latest version only in Selenium python
I want the link of latest version of csv . If new version will come then I my program will pick latest href link. Output :- https://www.nucc.org/images/stories/CSV/nucc_taxonomy_201.csv Answer iv looked at the website and its seems that you can do that by selenium “find_element_by_xpath”. iv attac…
How to train my own image dataset for text recognition and create the trained model for use in OCR [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 2 years ago. Improve this question I created image data set including 62992 images with 128x128px resolution …