I have a simple a Kivy interface that also uses the terminal. Example code: The problem is that whenever I start the script I get this: I have found that this is Kivy’s automatic debugging messages. How do I prevent them (or at least hide so that I can use the terminal)? Answer As shown in the docs, you…
Tag: python
Python 3 alternatives for __getinitargs__
Is there a short enough way to call the __init__ constructor of a class during unpickling in Python 3? The usual way to do this was using __getinitargs__ like so However, the __getinitargs__ will be ignored in new style classes and in Python 3+, all classes can only be new style classes. There is the __getnew…
How do I convert a Pandas dataframe to a PyTorch tensor?
How do I train a simple neural network with PyTorch on a pandas dataframe df? The column df[“Target”] is the target (e.g. labels) of the network. This doesn’t work: Answer I’m referring to the question in the title as you haven’t really specified anything else in the text, so jus…
Shortest Time Remaining Next (STRN) Scheduling
Another user posted this question on Shortest Job First (SJF). Here’s the example: How would this be solved for Shortest Remaining Time Next? The preemptive version of Shortest Job First. I understand that the process with smallest amount of time remaining until completion is selected to execute. Howeve…
How to rotate slices of a Rubik’s Cube in python PyOpenGL?
I’m attempting to create a Rubik’s Cube in Python, i have gotten as far as visually representing the cube. Struggling a bit with how to implement rotation. I guess i’m asking for feedback as to how to go about doing this. I thought at first of, rotating each cubes set of vertices’s, wi…
How to count the number of letters in a word?
I’m trying to create a program where if you input a word, it will print out each letter of the word and how many times the letter appears in that word. Eg; when I input “aaaarggh”, the output should be “a 4 r 1 g 2 h 1”. So far it just prints out each letter and position in the
Using pythons open function for .png Image
Im getting an error when using pythons inbuild function “open” and don’t know how to get it to work for png files. Examplecode: img =open(‘here.png’).read() Error: UnicodeDecodeError: ‘charmap’ codec can’t decode byte 0x90 in position 101: character maps to <…
Using Python decorators to retry request
I have multiple functions in my script which does a REST API api requests.As i need to handle the error scenarios i have put a retry mechanism as below. I have several different methods which does similar operation. How can we do it better way to avoid duplication may be using decorators. Answer Instead of us…
Python Recursive Knight Tour
I’m trying to solve the knight tour algorithms with recursive backtracking method in python. The solution should be a matrix with 24 documented steps, but it only count up-to 5 steps. It doesn’t enter the recursive if statement. Answer The problem I see is that you set yNeu = x + pos[1] when you p…
Pandas DataFrame column numerical integration
Currently I have a DataFrame as shown below: I would like to do the numerical integration of Current with TimeSec (∫Idt) for different Devices and collect the data into a new DataFrame as below: The problem is that the time interval is not even and the number of data for each device is not even as well. Answe…