Martyn Jarvis martynjarvis

List all devices:

$ xinput list
⎡ Virtual core pointer                          id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ Macintosh mouse button emulation          id=10   [slave  pointer  (2)]
⎜   ↳ Microsoft Microsoft 3-Button Mouse with IntelliEye(TM)    id=8    [slave  pointer  (2)]
⎣ Virtual core keyboard                         id=3    [master keyboard (2)]
    ↳ Virtual core XTEST keyboard               id=5    [slave  keyboard (3)]

↳ Power Button id=6 [slave keyboard (3)]

Create screenshots using ffmpeg/avconv

Create screenshots selecting only I frames that differ:

ffmpeg -i <input_filename>.ts -f image2 -vf "select='eq(pict_type,I)'" -vsync 2 out%02d.png

Create single screenshot 1 second in:

ffmpeg -ss 1 -i .ts -f image2 -vf "select='eq(pict_type,I)'" -vframes 1 -vsync 2 .png

Perforce Cheatsheet

Useful Commands:

Check I have no changes:

p4 opened

Sync to head:

	#!/bin/bash

	LOGFILE=/tmp/monitor.log
	CMD="cat /proc/loadavg"
	DELAY=60

	while true; do
	echo "$(date -u): $(eval $CMD)" >> $LOGFILE 2>&1
	sleep $DELAY
	done

	# Kill previous synergy session
	killall -q ssh
	killall -q synergyc

	# Create ssh connection to tunnel synergy over
	ssh -f -N -L localhost:24800:server-hostname:24800 server-hostname
	./synergyc -f localhost

	section: screens
	172.18.35.212:
	172.18.0.106:
	end

	section: aliases
	172.18.35.212:
	dhcp-212
	172.18.0.106:
	mac-client

	---Summary

	---Environment Details

	Environment:
	Version:
	Hostname:

	---Reproduction steps

	"""
	Class to represent a iteration number as a tuple
	ie, it-39.1-130956 is represented as (39,1,130956)
	"""

	import re
	import collections

	def cast_parts(parts):
	for part in parts:

	# From Sam
	ord = lambda n: "%d%s" %(n ,"tsnrhtdd" [(n/10%10!=1)(n%10<4)n%10::4])

	#!/bin/bash

	# counter for current run number
	if [ ! -e "${HOME}/.counter" ]
	then
	echo "creating counter file"
	echo "1" > ~/.counter
	fi
	while read line
	do