re.sub erroring with “Expected string or bytes-like object”
I have read multiple posts regarding this error, but I still can’t figure it out. When I try to loop through my function:
Python
Sublime text3 and virtualenvs
I have different virtualenv‘s (made with virtualenwrapper) and I’d like to be able to specify which virtualenv to use with each project.
How to find tags with only certain attributes – BeautifulSoup
How would I, using BeautifulSoup, search for tags containing ONLY the attributes I search for?
How to run a Python script in a web page
I’m very new to Python. I just know what Python is.
When do you use ‘self’ in Python?
Are you supposed to use self when referencing a member function in Python (within the same module)?
Unzipping and the * operator
The python docs gives this code as the reverse operation of zip:
Reload Flask app when template file changes
By default, when running Flask application using the built-in server (Flask.run), it monitors its Python files and automatically reloads the app if its code changes:
itertools product speed up
I use itertools.product to generate all possible variations of 4 elements of length 13. The 4 and 13 can be arbitrary, but as it is, I get 4^13 results, which is a lot. I need the result as a Numpy array and currently do the following:
What’s a good equivalent to subprocess.check_call that returns the contents of stdout?
I’d like a good method that matches the interface of subprocess.check_call — ie, it throws CalledProcessError when it fails, is synchronous, &c — but instead of returning the return code of the command (if it even does that) returns the program’s output, either only stdout, or a tuple of (stdout, stderr).
Python: Catching specific exception
I want to catch a specific ValueError, not just any ValueError.
I tried something like this: