Skip to content

Tag: python

Removing self-loops from undirected networkx graph

I have created a graph from list of nodes using networkx. It has self loops. How to remove them? Following is sample: I don’t want (1, 1) edges. Answer (instructions for networkx 1.x below) If you’re using networkx 2.x try If you have a MultiGraph (which for example configuration_model produces), …

Adding items to QlistView

I’m using pyqt4 with python 2.7 and I have a list view widget that I can’t add items to it As you guys can see i used But it gave me an error that is talking about arguments and data types: Also, is it right to use ListView here or I should use listwidget? In general, what is the difference

Python Web Scraping Div

I’m trying to scrape the job list from a web site, but I do not have enough experience with scraping. I found that all jobs are in a div block like this : What I want to access is the job title, job description and job link (<a href=”..”). Unfortunately, I couldn’t understand the lo…

Pyspark- Subquery in a case statement

I am trying to run a subquery inside a case statement in Pyspark and it is throwing an exception. I am trying to create a new flag if id in one table is present in a different table. Is this even possible in pyspark? Here is the error: I am using Spark 2.2.1. Answer This appears to be the latest

Create Boxplot Grouped By Column

I have a Pandas DataFrame, df, that has a price column and a year column. I want to create a boxplot after grouping the rows based on their year. Here’s an example: So in this case, I’d want a boxplot for each of 2011, 2012, and 2013 based on their price column. I’ve looked into DataFrame.gr…