I am trying to plot a tricontourf on a polar plot, however it seems that it glitches out when plotting over the 0 longitude point. It’s clear when plotting as a scatter plot that the points are just fine. Furthermore, when plotting the tricontourf in other locations not containing 0 longitude it works j…
Unable to install sftp package in python on my virtual machine
I need to use sftp services through python on my virtual machine. To note that I am unable to do commands like pip install packagename I have limitations on the controlled VM. So I have to download packages and point to local disk locations (pip install C:/Folder/packacgename.whl) to install them so please gi…
Merge Pandas Dataframes based on substring or partial match in another Dataframe
I have two sample data frames: Using this will result result in an empty dataframe. How could I go about using a merge to use a substring / partial match from df2[‘Group_Var’] in df1[‘Model’]? Perhaps using the str.contains() method as part of the merge? Just for context my expected ou…
Removing first and last punctuation from python
I have the following problem, I want to remove the punctuation marks at the beginning and at the end but leave the ones in between. Example. and this should turn So if anyone can help me, I would appreciate it Answer You could use a regular expression for this. Just import re at the start of the file, then
Find max by year and return date on which max occurred in Pandas with dates as index
I have this dataframe I would like to compute the max for each year and the date where it happens. I am struggling because I would like to keep indeed the date as index. Indeed I read it as: I know that I could resample as but in this case I would lose the information about the location of the
How to convert list array to float
I have an little endian list value in python, I get with serial line. I get this value as a byte like this: How can I convert this 4 byte (little endian) value to float ? Answer If the float is in IEEE754 format (which it very likely is), you can convert your list of numbers to a byte array
How to fix list comprehension ‘bitwise_and’ error and optimize for-loop?
I have the following for loop below, but I want to make this into a more computationally efficient variant. I thought I could do that with list comprehension, but this is giving me the following error: TypeError: ufunc ‘bitwise_and’ not supported for the input types, and the inputs could not be sa…
Scrape Historical Bitcoin Data from Coinmarketcap with BeautifulSoup
I’m trying to scrape Historical Bitcoin Data from coinmarketcap.com in order to get close, volume, date, high and low values since the beginning of the year until Sep 30, 2021. After going through threads and videos for hours, and I’m new to scraping with Python, I don’t know what my mistake…
Using Python maintain clean a text file on a specific format consistent across each line
I have got a unique use case. I have got a txt file in the following format where every line starts with “APA” and ends with “||” (varies in length and content, does not matter) In some lines however, due to unknown reasons, some of these lines are split like so: Technically this line …
Printing pair of numbers using for loop – Python
I am a beginner in python and I need some help with a case: I need to print pairs of numbers which are input from a for loop – for example Let’s say we enter 3 2 1 4 5 0 4, I need to print the sum of the paired numbers – 3 + 2, 1 + 4 etc.