Efficient way to rotate a list in python
What is the most efficient way to rotate a list in python?
Right now I have something like this:
python
Flask raises TemplateNotFound error even though template file exists
I am trying to render the file home.html. The file exists in my project, but I keep getting jinja2.exceptions.TemplateNotFound: home.html when I try to render it. Why can’t Flask find my template?
How can I fill out a Python string with spaces?
I want to fill out a string with spaces. I know that the following works for zero’s:
What is the syntax rule for having trailing commas in tuple definitions?
In the case of a single element tuple, the trailing comma is required.
Loop “Forgets” to Remove Some Items
Note: There is a subtlety when the sequence is being modified by the
loop (this can only occur for mutable sequences, i.e. lists). An
internal counter is used to keep track of which item is used next, and
this is incremented on each iteration. When this counter has reached
the length of the sequence the loop terminates. This means that if the
suite deletes the current (or a previous) item from the sequence, the
next item will be skipped (since it gets the index of the current item
which has already been treated). Likewise, if the suite inserts an
item in the sequence before the current item, the current item will be
treated again the next time through the loop. This can lead to nasty
bugs that can be avoided by making a temporary copy using a slice of
the whole sequence, e.g.,
Pygame unresponsive display
has a game loop
How to “log in” to a website using Python’s Requests module?
I am trying to post a request to log in to a website using the Requests module in Python but its not really working. I’m new to this…so I can’t figure out if I should make my Username and Password cookies or some type of HTTP authorization thing I found (??).
Pygame doesn’t let me use float for rect.move, but I need it
I’ve recently recreated a version of Lunar Lander (you know, the old retro game) in Python 3 and Pygame: my lander moves (̀̀̀rect.move) each frame along the y axis because of gravity.
How to hide output of subprocess
I’m using eSpeak on Ubuntu and have a Python 2.7 script that prints and speaks a message:
How can I explicitly free memory in Python?
I wrote a Python program that acts on a large input file to create a few million objects representing triangles. The algorithm is: