I am trying to scrape this website using bs4. Using inspect on particular car ad tile, I figured what I need to scrape in order to get the title & the link to the car’s page. I am making use of the find_all() function of the bs4 library but the issue is that it’s not scraping the required info…
Interpolating measured sine wave using python
I have 2 sampled sine waves obtained as a measurement from a DSO. The sampling rate of the DSO is 160 GSa/s and my signal is 60 GHz. I need to find the phase difference between the two sine waves. Both are the same frequency. However, the sampling rate is not enough to accurately determine the phase. Is there…
How to convert object to float in Pandas?
I read a csv file into a pandas dataframe and got all column types as objects. I need to convert the second and third columns to float. I tried using but got NaN. Here’s my dataframe. Should I need to use some regex in the third column to get rid of the “R$ “? Answer Try this: Output:
Codec error while reading a file in python – ‘charmap’ codec can’t decode byte 0x81 in position 3124: character maps to
I am working on a Machine Learning Project which filters spam/phishing emails out of all emails. For this, I am using the SpamAssassin dataset. The dataset contains different mails in this format: For identifying phishing emails, first thing I have to do is finding out how many web-links the email has. For do…
How to capture a group only if occurs twice in a line
How should I make the match happen only when the occurence is found twice in a line? Regular expression that highlights two ‘o’s that appear beside each other only if there is another occurence of two ‘o’s appearing beside each other subsequently in the same line Answer You can match a…
Restructure Pandas DataFrame
I have the following DataFrame: play_id position frame x y 1 A_1 1 0.1 0.1 1 A_2 1 0.1 0.1 1 B_1 1 0.1 0.1 1 A_1 2 0.1 0.1 1 A_2 2 0.1 0.1 1 B_1 2 0.1 0.1 2 A_1 1 0.1 0.1 2 B_1 1 0.1 0.1 2 B_2 1 0.1 0.1 2 A_1 2 0.1 0.1
Lookup ERROR while trying to log in instagram using Helium/Selenium
so i am trying to log in using the Helium package which uses selenium under the hood, i looked into its documentation, but i get a lookeup Error. can anyone help please :( Here is the github: Helium Cheatsheet Here is my code: ofc the username and password here are fake ones :) Here is the full error, i get
Counts for unique values in pandas
I want to find counts for unique values. Goal is to have df having df.a.value_counts().unique() in one column and in next column their counts. . . . . Goal Answer Apply value_counts once more:
how can i load objects filtered through a form in django?
i’m using django to store photos in a server. these photos are stored through a model that has an imageField and a charField called tags. i’m looking to filter objects from my database using keywords i receive from a form. the form is in a file called navbar.html: i’ve defined a function in …
Why do I have no logs? empty web.stdout.logs?
So I have an AWS EB environment with and application deployed. I can’t view the applications log output (web.stdout.logs is empty) Answer The problem was not that I couldn’t see the output, it was always in the /var/log/web.stdout.log file however when I was zipping the file to upload it to the EB…