Prakhar questions

• Filtering a column with an empty array in Pyspark
• Python or Node for Chat Application
• Logging in python + mod_wsgi app
• Dynamic variable declaration in C
• Writing a better recursive depth-first search in python
• jQuery selectors giving inconsistent behavior
• Can't mass assign protected attributes
• Connecting to Heroku using port 443
• Using cURL to POST data to a form
• Deleting from python heapq in O(logn)

Prakhar answers