I have one large list of dictionaries pulled from a database. I’m wondering if there is a way to search the first list of dicts to only show the first 3 digits (list would be unique to avoid duplicate entries) in one dropdown menu and, based on the selection, show the appropriate options? Essentially th…
Tag: python-3.x
Pandas find the maximum num from substring column
I’ve a dataframe look like this I want to make a separate column based on highest score values. Like so I’ve went through many ref but I can’t relate with my problem. Any suggestions? Answer You can use pandas.apply with axis=1 for iterate over each row: Output: Explanation:
Append the following x bytes to a new file when searching for string in a file
I have a large file with hex data inside listed as such “0A 04 64 72 BD 03…” My goal is to search for a specific string in the file “BA 1B 65 01” in example, once the string has been found then it copies the next 20 bytes followed after the search index and appends it to a new
Pandas join rows of text and output as a new variable
Given following DF Is it possible for Pandas to join all rows, give a new line and return the result as a variable? Final output: Variable n: I have explored str.cat() but seem like the separator do not allow a n. Answer Use as many n newlines as you like.
Is it safe to kill the Python process when writing to a file?
When opening a file for writing, is there any point in time where the file contents would be erased if the process was killed? Here is the code used: Answer It’s unsafe. Kill the process between the open(“file.txt”, “w”) and the point stuff starts getting written, and the file wi…
Clicked on element that has x-click with Python Selenium but it do not redirect
I am trying to scrape the url given below with python selenium. https://www.rtilinks.com/?5b5483ba2d=OUhWbXlXOGY4cEE0VEtsK1pWSU5CdEJob0hiR0xFNjN2M252ZXlOWnp0RC9yaFpvN3ZNeW9SazlONWJSTWpvNGNpR0FwWUZwQWduaXdFY202bkcrUHAybkVDc0hMMk9EWFdweitsS0xHa0U9 here is my code After running through this code I should be redi…
cumcount based on certain values sorted by date in Pandas dataframe
I have the a dataframe df that looks like sorted by ID and Date in ascending and descending order respectively: I would like to add two new columns called Number of 1 which is defined to be cumulative count of number 1 occurred in Place for each ID and another column called Recent Number of 1 which is defined…
How to import objects from another module as a list
in moduleA.py: in moduleB.py, how can I achieve: Answer You can’t do this the way you are trying to. You will need to find a different solution to your original problem.
Compare Same and Different in Two Columns of Dataframe
I have a small dataframe, like this. I am trying to find out if, and when a person switched to a different cell phone service. I tried this logic; didn’t work. Basically, given index row 0 and row 1, when the address_id was the same, the business was the same, but the business changed from verizon to co…
Convert comprehensive list to an if, else statement
I’m relatively new to Python. What I try to do is convert this comprehensive list to a normal if, else statement. So far I’ve tried this: But it doesn’t work. Answer You probably forgot to assign the value: