I have a data frame where all the columns are supposed to be numbers. While reading it, some of them were read with commas. I know a single column can be fixed by However, this works only for series objects and not for entire data frame. Is there an elegant way to apply it to entire data frame since every
How to get the EOMONTH(End of month) of the current date using Python3
I have a SQL server stored procedure and I am trying to replicate it using python. One of the things I am trying to replicate is the following function: Here is what I have tried in Python3: Output: The thing is, I have to enter the date (200,3,1). I want to be able to pick up the current date and
Pandas style: How to highlight diagonal elements
I was wondering how to highlight diagonal elements of pandas dataframe using df.style method. I found this official link where they discuss how to highlight maximum value, but I am having difficulty creating function to highlight the diagonal elements. Here is an example: This gives following output: I am wan…
How to make multiple api calls with python requests
I am trying to make parallel calls to external apis from django using requests or any other library that allows me to do this. I have already tried using grequests to make this calls, sometimes it works but most times I get ‘NoneType’ object has no attribute ‘json’ error on the client …
Avoid annotations and tick y_tick labels overlapping
I went through several questions but none seem to address the problem of annotations overlapping with y tick labels. I found a nice code that prevents annotations overlapping among themselves, but nothing with tick labels. My problem is quite simple actually. I use the following lines to create the graph I pa…
Global dict name in a variable
I want to have more dict’s in my init.py and I want to set its name in a variable. But it wouldn’t detect it as the name. My Program: StackOverflowinit.py: I expect that it give the color and brand from the chosen car. But I get this error: Answer Since Python 3.7, you can use getattr on modules.
How to run pynput.Listener simultaneously with tkinter.Tk().mainloop()
I am a teacher. I teach math, but since education is facing human resources crisis, I have some additional duties. I teach kids a bit of programming, they do quite well. Now I’d like to make with them a snake game, but I have a problem achieving multithreading in my GUI app. I found similar cases but no…
How can i make OpenCV work fully on Raspberry Pi 4 (Raspbian Buster)?
I have tried many days to install OpenCV on my Raspberry Pi 4 with Raspbian Buster but i couldn’t get it done. The installation in most cases worked but when importing or using cv2 methods like cv2.imshow(), errors come up (see below). Did somebody get OpenCV working on a Raspberry Pi 4 or has an idea o…
ModuleNotFoundError: No module named ‘tools.nnwrap’
I tried to install torch using: Installation started, but after a few seconds I got the error: OS: Windows Answer Anyone who is looking for the solution refer below: It seems command to install torch not is working as expected, instead, you can try to install PyTorch using below command. It’s working an…
Find columns where at least one row contains an alphabetical letter
Let’s say I have the following data set: I would like to find out – without any cumbersome for loop – which columns contain at least one case with an alphabetical letter (here: B and C). I guess the result should either be a list of booleans or indices. Thank you for your help! Answer As a q…