python-2.7 Archives - Page 2 of 160

Functions Defined The core of extensible programming is defining functions. Python allows mandatory and optional arguments, keyword arguments, and even arbitrary argument lists.

ImportError: No module named _ssl

January 12, 2021 Andrew Rocky

Question or problem about Python programming: Ubuntu Maverick w/Python 2.7:

Flask broken pipe with requests

January 12, 2021 Aba Tayler

Question or problem about Python programming: I’d like to send a local REST request in a flask app, like this:

How references to variables are resolved in Python

January 12, 2021 James Cameron

Question or problem about Python programming: This message is a a bit long with many examples, but I hope it will help me and others to better grasp the full story of variables and attribute lookup in Python 2.7.

Why is the size of 2⁶³ 36 bytes, but 2⁶³-1 is only 24 bytes?

January 12, 2021 Odhran Miss

Question or problem about Python programming: Everything in Python is an object. So the size of an int in Python will be larger than usual.

How to check queue length in Python

January 11, 2021 Ollie MC

Question or problem about Python programming: How to check Queue’s length in python?

Why is a list comprehension so much faster than appending to a list?

January 11, 2021 Bell Jacquise

Question or problem about Python programming: I was wondering why list comprehension is so much faster than appending to a list. I thought the difference is just expressive, but it’s not.

Convert timedelta64[ns] column to seconds in Python Pandas DataFrame

January 10, 2021 Oceane Wilson

Question or problem about Python programming: A pandas DataFrame column duration contains timedelta64[ns] as shown. How can you convert them to seconds?

When and how to use Python’s RLock

January 9, 2021 Ogima Cooper

Question or problem about Python programming: Reading through the Python docs I came across RLock.

Changing the referer URL in python requests

January 9, 2021 Jeffrey Schneider

Question or problem about Python programming: How do I change the referer if I’m using the requests library to make a GET request to a web page. I went through the entire manual but couldn’t find it.

How do I run Python script using arguments in windows command line

January 9, 2021 Aba Tayler

Question or problem about Python programming: This is my python hello.py script: