Django (1.5) is workin' fine for me, but when I fire up the Python interpreter (Python 3) to check some things, I get the weirdest error when I try importing - from django.contrib.auth.models import User - ...

I noticed a Python script I was writing was acting squirrelly, and traced it to an infinite loop, where the loop condition was while line is not '' . Running through it in the debugger, it turned out that line was in fact '' . When I changed it to !='' rather than is not '' , it worked fine. ...

... Python doesn't have variable declarations, so it has to figure out the scope of variables itself. It does so by a simple rule: If there is an assignment to a variable inside a function, that variable is considered local.[1]...

This is ugly. What's a more Pythonic way to do it? 2 Answers 2 ...

How do you check if a path is a directory or file in python? 4 Answers 4 ...

I was wondering if it was possible to remove items you have printed in Python - not from the Python GUI, but from the command prompt. e.g. ...

...normal ASCII can manage. The fact that you're seeing the u means you're on Python 2 - strings are Unicode by default on Python 3, but on Python 2, the u in front distinguishes Unicode strings. The rest of this answer will focus on Python 2. You can create a Unicode string multiple ways: >>>...

In Python3 vs Python2.6, I've noticed that I can divide two integers and get a float. How do you get the Python2.6 behaviour back? Is there a different method to get int/int = int? ...

...ave done x,y and got the same results. However, I did not because it is a Python convention to use a _ for variables that are only placeholders. – user2555451 Mar 14 '14 at 19:06 ...

Python编程：从入门到实践（第3版）.pdf