Simple URL GET/POST function in Python
I can’t seem to Google it, but I want a function that does this:
Python
How can I listen for ‘usb device inserted’ events in Linux, in Python?
I’d like to write a Python script for Amarok in Linux to automatically copy the stackoverflow podcast to my player. When I plug in the player, it would mount the drive, copy any pending podcasts, and eject the player. How can I listen for the “plugged in” event? I have looked through hald but couldn’t find a good example.
How to read a .xlsx file using the pandas Library in iPython?
I want to read a .xlsx file using the Pandas Library of python and port the data to a postgreSQL table.
When do I need to use sqlalchemy back_populates?
When I try SQLAlchemy Relation Example following this guide: Basic Relationship Patterns
Python constructor and default value
Somehow, in the Node class below, the wordList and adjacencyList variable is shared between all instances of Node. >>> class Node: … def __init__(self, wordList = [], adjacencyList = []): … self.wordList = wordList … self.adjacencyList = adjacencyList … >>> a = Node() >>> b = Node() >>> a.wordList.append("hahaha") >>> b.wordList ['hahaha'] >>> b.adjacencyList.append("hoho") >>> … Read more
Prevent creating new attributes outside __init__
I want to be able to create a class (in Python) that once initialized with __init__, does not accept new attributes, but accepts modifications of existing attributes. There’s several hack-ish ways I can see to do this, for example having a __setattr__ method such as
How to normalize a 2-dimensional numpy array in python less verbose?
Given a 3 times 3 numpy array
TransactionManagementError “You can’t execute queries until the end of the ‘atomic’ block” while using signals, but only during Unit Testing
I am getting TransactionManagementError when trying to save a Django User model instance and in its post_save signal, I’m saving some models that have the user as the foreign key.
Add multiple empty columns to pandas DataFrame
How do I add multiple empty columns to a DataFrame from a list?
Django 1.7 – makemigrations not detecting changes
As the title says, I can’t seem to get migrations working.