CUXIDUMDUM

#!/bin/ruby --verion => 2.0.0-p353

Self

In Ruby, self is a special variable that always references the current object.

• Inside class or module definition, self refer to the Class or Module object.
• Inside instance method, self refer to future instance object.
• Inside class method, self refer to the class.i

CUXIDUMDUM

# SNAKES GAME
# Use ARROW KEYS to play, SPACE BAR for pausing/resuming and Esc Key for exiting

import curses
from curses import KEY_RIGHT, KEY_LEFT, KEY_UP, KEY_DOWN
from random import randint


curses.initscr()
win = curses.newwin(20, 60, 0, 0)

CUXIDUMDUM

How to use kickstart in VirtualBox

This short howto describes how to install VMs via kickstart in VirtualBox. It's using PXE functionality built into the NAT network mode of the VirtualBox. The following instructions apply to CentOS installation but it should work for any RedHat-based distro.

Prepare directory structure

CUXIDUMDUM

# "Understanding Python's closures".
#
# Tested in Python 3.1.2
#
# General points:
#
#    1. Closured lexical environments are stored
#       in the property __closure__ of a function
#
#    2. If a function does not use free variables