Trying to understand concurrency based on generators, I try to follow the talk by D. Beazley. I don’t understand the purpose of future_monitor and was wondering what are the consequence of taking the function out? Here is its implementation of asynchronous server and, right after, my implementation with…
Tag: python
Django search returning Exception Value: object of type ‘method’ has no len()
Pretty new to Django Rest Framework and I’m not quite sure how to debug this error at the moment. When I set a breakpoint in the view search view. I see all my products in results Pagination is set in settings.py Search view Products view Products model Below is the full trace of my error Answer You are…
Python Scrape Issue – Sublime, Chrome
First off – no experience with Python, Sublime Text or Selenium – please be kind.. I am having an issue building a scraper in Python – using Sublime text, Selenium and Chrome. I have updated to the latest Python, Pip and downloaded the correct Chrome Driver. The webpage pops up fine, but get…
how to remove white space from strings of data frame column?
I am trying to loop through a column in a pandas data frame to remove unnecessary white space in the beginning and end of the strings within the column. My data frame looks like this: I tried the this answer here, but did not work either. The reason I need to remove the white space from the strings in this
Remove unnecessary url from scrapy
I want to remove these unnecessary url from the link the website is https://www.ifep.ro/justice/lawyers/lawyerspanel.aspx Answer You can apply endswith method along with continue keyword to remove the desired urls Output:
Tkinter destroying an object in a different function isn’t working
I’m trying to make a button that saves your username but then goes away after you set it. this is my code: Answer The code below, with some minor changes like enabling change with [Return] and some layout cosmetics works OK (also with un-commented lines in printValue) . If you want the [Change] button a…
How to iterate in each element?
We need to take the stocks with BeautifulSoup. Code only iterates the first element. How to iterate each one? Answer First find all ul elements and iterate over it to find title and values according to class wise and append items to dict1 with key title Now you can use pandas module to transform data to DataF…
get contents of all azure blobs via python
I want to list all the blobs in a container and then ultimately store each blobs contents (each blob stores a csv file) into a data frame, it appears that the blob service client is the easiest way to list all the blobs, and this is what I have: However, in the last version of blob storage client there appear…
Apache Spark unable to recognize columns in UTF-16 csv file
Question: Why I am getting following error on the last line of the code below, how the issue can be resolved? AttributeError: ‘DataFrame’ object has no attribute ‘OrderID’ CSV File encoding: UTF-16 LE BOM Number of columns: 150 Rows: 5000 Language etc.: Python, Apache Spark, Azure-Data…
Is there a way to get and save an angle of a turtle for later?
I’m making a program where the user can click on the screen 3 times and it makes a triangle. It will then find the middle points of those 3 lines. Next, I want it to draw 3 lines perpendicular to each of the lines that make up the triangle (through the middle points). I’m stuck at drawing the perp…