I am trying to export a 3D diagram from Matplotlib to TikZ, using import tikzplotlib. This is the code executed in Jupyter NoteBook: The resulting papon.tex file shows the following when compiled: Missing any configuration or code modification? Or, simply, is it not possible to correctly export a 3D chart -wi…
Saving and Loading a Vowpal Wabbit model in python with –safe_resume –cb_explore
I would like to do online training with a contextual Vowpal Wabbit model, so I need to save and reload frequently. However, whenever I try to reload a model (which was initialized with –save_resume), I get an exception with: Example Code to reproduce: Python 3.8.5 vowpalwabbit==8.10.1 If I don’t u…
How do I reduce the use of for loops using numpy?
Basically, I have three arrays that I multiply with values from 0 to 2, expanding the number of rows to the number of products (the values to be multiplied are the same for each array). From there, I want to calculate the product of every combination of rows from all three arrays. So I have three arrays and I…
How to speed up successive pd.apply with successive pd.DataFrame.loc calls?
df has 10,000+ lines, so this code is taking a long time. In addition for each row, I’m doing a df_hist.loc call to get the value. I’m trying to speed up this section of code and then option I’ve found so far is using: But this forces me to use index based selection for row instead of value …
Making a program which detects changes in a particular dictionary, and if changes are there then starts the next code
I want to create a program that detects a change in a particular dictionary and if the change is there starts the next code. By the help of Google found this code: (below is greeksforgeeks code) It works fine but the problem is it works in loop. Answer Here’s a more simpler:
Can the * (unpacking) operator be typed in Python? Or any other variadic args function such that all variadic types are in the result type?
Working with type stubs, I’m wondering if it’s possible to express a type in Python that allows you to type this correctly for any number of arguments: At first glance, I came with: But this of course will only type correctly the first T. Is the only possible way to write the overrides for all ari…
How to change names of scraped images with Python?
So I need to download the images of every coin on the list on CoinGecko, so I wrote the following code: However, I need to save the images with their names being the same as the ticker of the coin of that list from CoinGecko (rename bitcoin.png?1547033579 to BTC.png, ethereum.png?1595348880 to ETH.png, and so…
Find unique column values out of two different Dataframes
How to find unique values of first column out of DF1 & DF2 DF1 DF2 Output This is how Read Answer TRY: NOTE : Replace 0 in subset= [0] with the first column name.
Iterating through two lists and return indices
I created a habit tracker app and one of the functions is to return the longest uninterrupted streak of done habits. If there are two or more habits with the same streak length, I want to return all of them. Therefore I saved the habit IDs in an id_list and the respective streak lengths in the streak_length_l…
AWS s3, lambda. How do you download image from tmp that has a prefix?
I am currently learning AWS, mostly s3 and lambda services. The idea is to save an image in one bucket, resize it and move to another bucket. I have searched for dozen tutorials and finally made it work. However, I have not found(or don`t know how to search) for an example of how to deal with images with pref…