Solve the UnicodeError: ASCII Decoding/Encoding Error in Python

Sometimes we will get the Unicode Error in python, which means you are try to encode or decode a string which is not encoded in ASCII. ASCII is python default encoding, and what we need to do is just overwriting it to utf-8.
Put following codes in sitecustomize.py and put this file in your PYTHONPATH, which means it can be imported. This file may already exists somewhere in your PYTHONPATH, if so, just append the following codes in it. The file sitecustomize.py is a special file which is automatically imported when python restarts.

# sitecustomize.py
# this file can be anywhere in your Python path
import sys
sys.setdefaultencoding('utf-8')

Install Django+Mod_Python on Ubuntu 10.04

Install general dev tools

sudo apt-get install build-essential devscripts flex 

where flex is essential to compile mod_python.
Install Apache

sudo apt-get install apache2 apache2-threaded-dev

where apache2-threaded-dev is used to compile mod_python.
Install MySQL

sudo apt-get install mysql-server mysql-client libmysqlclient-dev

where libmysqlclient-dev is used to install Python MySQL library. During the installation, you will be asked to set a password for root.
Install Python 2.6

sudo apt-get install python2.6 python2.6-doc python2.6-dev python-setuptools

where python2.6 maybe omitted if it already installed (It's installed with Ubuntu 10.04). After installed python-setuptools, you will be able to install python modules with easy_install.
Install mod_python

svn co https://svn.apache.org/repos/asf/quetzalcoatl/mod_python/trunk/
cd trunk
./configure --with-python=/usr/bin/python2.6
make
sudo make install

If ./configure fails, check if you missed anything above. To enable the mod_python in apache2, add following to /etc/apache2/httpd.conf

LoadModule python_module /usr/lib/apache2/modules/mod_python.so

Install memcached

sudo apt-get install memcached