How to ignore strings that start with certain pattern using regular expression in python?

Accept and return @something but reject first@last. r’@([A-Z][A-Z0-9_]*[A-Z0-9]) The above regexp will accept @something (starts with letter, ends with letter or number, may have underscore in middle,…

What causes the measured fps to be different from the expected yet possible fps?

What causes the measured fps to be different from the expected yet possible fps? My webcam has 30 fps (maximum) and the measured fps is only about 20 fps. The logic behind my code: One iteration …

How to round up/down an int in Python?

Let’s say I have an arbitrary integer 874,623,123 how do I round it down to 800,000,000 and up to 900,000,000? Another example is 759 round up to 800 or down to 700. The size of the integer is unknown….

How to pass empty string into integer in python?

i have one file which is highcore.txt and it is empty. i want if txt file is empty or if any number which is score is greater than any number in txt file , update the txt file , here is my code def …

Converting a Dataframe into a specific json format

I need to convert this dataframe into the json format below and I can’t get it to work conv_item_id updated_item_value order_check a 1.99 approved b 2.99 approved c 2.99 approved { “…

Converting list of dictionary to list of lists

I have list of dictionary like below dictList = [{‘key’: ‘ABORT_DETACHED_QUERY’, ‘value’: ‘false’}, {‘key’: ‘ALLOW_CLIENT_MFA_CACHING’, ‘value’: ‘false’}, {‘key’: ‘ALLOW_ID_TOKEN’, ‘value’: ‘false’}] …

wondering what this makefile means

So I was browsing repl.it and saw that someone made it possible to run firefox in the repl window. There was a file called Makefile and it had this code in it. I’m wondering what it means and where …

How to store the last checked item as default, when Opening next time , in PyQt5 QRadioButton?

It’s my code. How to store the lastly clicked/checked button as default in the next opening of the programme? For example: If we run the programme and click the 3rd button and close the entire …

How to extract a sublist by the value of the first element from a nested list

I want to extract a sublist from a nested list based on the first element in each list. I have the following nested list: input = [ [‘nom’, ‘N’, ‘eye’], [‘acc’, ‘E’, ‘computer’], [‘dat’, ‘…

Reading Csvs, adding a column, putting data into the new column and then saving csvs in python

I currently have a folder with about 300 csv files in them. What I want to do is to read all the csv files within the folder. The Csv files currently have two columns in them. I want to add a third …