Problem : Is try-catch the only method to do that? Solution : If d is your deque, use if d: […]
Category: Python Code
Type hint for NumPy ndarray dtype?
Problem : I would like a function to include a type hint for NumPy ndarray‘s alongside with its dtype. With […]
Django: How to filter Users that belong to a specific group
Problem : I’m looking to narrow a query set for a form field that has a foreignkey to the User’s […]
Does the Jinja2 templating language have the concept of ‘here’ (current directory)?
Problem : Does Jinja2 support template-relative paths e.g. %(here)s/other/template.html, to include other templates relative to the current template’s place in […]
How do I download a zip file in python using urllib2?
Problem : Two part question. I am trying to download multiple archived Cory Doctorow podcasts from the internet archive. The […]
Python, Sqlite3 – How to convert a list to a BLOB cell
Problem : What is the most elegant method for dumping a list in python into an sqlite3 DB as binary […]
Converting Numpy Array to OpenCV Array
Problem : I’m trying to convert a 2D Numpy array, representing a black-and-white image, into a 3-channel OpenCV array (i.e. […]
Slicing a dictionary by keys that start with a certain string
Problem : This is pretty simple but I’d love a pretty, pythonic way of doing it. Basically, given a dictionary, […]
Using Python’s multiprocessing.Process class
Problem : This is a newbie question: A class is an object, so I can create a class called pippo() […]
Remove row with null value from pandas data frame
Problem : I’m trying to remove a row from my data frame in which one of the columns has a […]