Question on threads

2008-04-11 Thread Jonathan Shao
Hi all, I'm a beginner to Python, so please bear with me. Is there a way of guarenteeing that all created threads in a program are finished before the main program exits? I know that using join() can guarentee this, but from the test scripts I've run, it seems like join() also forces each individ

Re: Question on threads

2008-04-11 Thread Jonathan Shao
On Fri, Apr 11, 2008 at 3:29 PM, Steve Holden <[EMAIL PROTECTED]> wrote: > Jonathan Shao wrote: > > > Hi all, > > I'm a beginner to Python, so please bear with me. > > Is there a way of guarenteeing that all created threads in a program > > are finis

Interesting timing issue I noticed

2008-04-14 Thread Jonathan Shao
The project I'm working on is motion detection, involving a bit of image processing. No worries: no image processing background needed. Suffice to say that I initially wrote a script that goes through every pixel of a 320x240 picture (turned into an array using PIL) and performs some calculatiosn.

Re: Interesting timing issue I noticed

2008-04-15 Thread Jonathan Shao
I've written up a stripped down version of the code. I apologize for the bad coding; I am in a bit of a hurry. import random import sys import time sizeX = 320 sizeY = 240 borderX = 20 borderY = 20 # generates a zero matrix def generate_zero(): matrix = [[0 for y in range(sizeY)] for x in ra

Interesting timing issue I noticed

2008-04-16 Thread Jonathan Shao
*Gabriel Genellina* gagsl-py2 at yahoo.com.ar *Wed Apr 16 08:44:10 CEST 2008* > Another thing would be to rearrange the loops so the outer one executes less times; if you know that borderX<-- http://mail.python.org/mailman/listinfo/python-list