I am learning about edit distance for the first time and have only been coding for a few months. I’m trying to modify the algorithm such that the different editing operations carry different weights as follows: insertion weighs 20, deletion weighs 20 and replacement weighs 5. I have been able to impleme…
Using threading/multiprocessing in Python to download images concurrently
I have a list of search queries to build a dataset: classes = […]. There are 100 search queries in this list. Basically, I divide the list into 4 chunks of 25 queries. And below, I’ve created a function that downloads queries from each chunk iteratively: However, I want to run each 4 chunks concur…
How can I make this matrix in python without using numpy?
I have to make a matrix thats N by N and the example im given looks like this: So what I get from the example is that its gonna take the number N is (4 in this example since its 4 by 4) and print the number on the top row first column then fill it with zeros and then
Code scrapes first webpage twice, but then scrapes the next six as it’s meant to
I’m trying to scrape football scores from 8 pages online. For some reason my code is scraping the results from the first page twice, it goes on to scrape the next 6 pages as it should, then leaves out the final page. Here is my code Help would be much appreciated EDIT: I fixed it by shifting the loop up
How to return one column dataframe or single row dataframe as a dataframe or a series?
Give df, Then when selecting a single column, using: Likewise when selecting a single row, How can we force a single column or single row selection to return pd.DataFrame? Answer Getting a single row or column as a pd.DataFrame or a pd.Series There are times you need to pass a dataframe column or a dataframe …
why does ~True not work in pandas dataframe conditional
I am trying to use switches to turn on and off conditionals in a pandas dataframe. The switches are just boolean variables that will be True or False. The problem is that ~True does not evaluate the same as False as I expected it to. Why does this not work? Answer This is a pandas operator behavior (implement…
python higher order functions: how do i read the code step by step?
I am currently trying to interpret the code but i cant seem to visualise it even when i use python tutor. For the first print output, I interpreted it this way: two(two(two(x+5))) = (x + 5 + 5) + (5 + 5) + (5 + 5) = 32 Did I interpret it correctly? Also, I don’t really know how to
UTF-8 decoding doesn’t decode special characters in python
Hi I have the following data (abstracted) that comes from an API. I’m using the following code to decode the data byte: The cleanhtml is a regex function that I’ve created to remove html tags from the returned data (It’s working correctly). Although, decode(utf-8) is not removing characters …
Why isn’t my .Dockerignore file ignoring files?
When I build the container and I check the files that should have been ignored, most of them haven’t been ignored. This is my folder structure. Let’s say i want to ignore the __pycache__ & data(data will be created with the docker-compose up command, when creating the container) folders and th…
Is there a way to run all Jupyter Notebooks inside a directory?
Introduction I have a lot of Jupyter Notebooks inside a directory and I want to run them all to see them output. What I actually do I have to open them each one, click on “Restart kernel and re-run the whole notebook?”, wait a few minutes and then go for the next one. What I wish to do Find a