Original link: http://www.concentric.net/~Ttwang/tech/inthash.htm
Taken from: http://web.archive.org/web/20071223173210/http://www.concentric.net/~Ttwang/tech/inthash.htm
Reformatted using pandoc
Thomas Wang, Jan 1997
last update Mar 2007
| #!/usr/bin/env python | |
| """python-xlib example which reacts to changing the active window/title. | |
| Requires: | |
| - Python | |
| - python-xlib | |
| Tested with Python 2.x because my Kubuntu 14.04 doesn't come with python-xlib | |
| for Python 3.x. | 
| #!/bin/bash | |
| ##################################################### | |
| # Name: Bash CheatSheet for Mac OSX | |
| # | |
| # A little overlook of the Bash basics | |
| # | |
| # Usage: | |
| # | |
| # Author: J. Le Coupanec | |
| # Date: 2014/11/04 | 
Original link: http://www.concentric.net/~Ttwang/tech/inthash.htm
Taken from: http://web.archive.org/web/20071223173210/http://www.concentric.net/~Ttwang/tech/inthash.htm
Reformatted using pandoc
Thomas Wang, Jan 1997
last update Mar 2007
| #!/usr/bin/env bash | |
| # | |
| # needs: Pulseaudio, VLC | |
| # Load null sink module if not already loaded | |
| pacmd list-sinks | grep steam 2>&1 >/dev/null | |
| if [[ $? == 1 ]]; then | |
| pactl load-module module-null-sink sink_name=steam; | |
| fi | 
L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs
Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs
| # Modify this file accordingly for your specific requirement. | |
| # http://www.thegeekstuff.com | |
| # 1. Delete all existing rules | |
| iptables -F | |
| # 2. Set default chain policies | |
| iptables -P INPUT DROP | |
| iptables -P FORWARD DROP | |
| iptables -P OUTPUT DROP |