pckujawa’s gists

pckujawa / gist:2870718

Created June 4, 2012 20:35

Hotkey controls for various music services (Pandora, Napster, Spotify, etc)

	;
	;#NoEnv ; Recommended for performance and compatibility with future AutoHotkey releases.
	;SendMode Input ; Recommended for new scripts due to its superior speed and reliability.
	;SetWorkingDir %A_ScriptDir% ; Ensures a consistent starting directory.
	;
	; ############## Pandora ##############

	; Ctrl+Forward -> next song
	; Play/Pause -> play/pause
	;

pckujawa / gist:2919894

Created June 12, 2012 20:19

Quick backup of environment variables (including PATH) in windows

cmd /k "date /t >> envvars.txt && time /t >> envvars.txt && set >> envvars.txt"

pckujawa / gist:2950232

Created June 18, 2012 19:29

Helper class for efficiently invoking tasks with timeout

	#region (c)2009-2011 Lokad - New BSD license

	// Copyright (c) Lokad 2009
	// Company: http://www.lokad.com
	// This code is released under the terms of the new BSD licence

	#endregion

	#if !SILVERLIGHT2

pckujawa / copyToNonexistentFiles.bat

Created August 10, 2012 19:16

Windows batch script to copy a file to multiple output files if they don't already exist

	@if "%1"=="" (
	@echo Usage: %0 sourceFile file1 [file2 file3 ...]
	goto :eof
	)
	@set sourceFile=%1
	@shift
	:parseparams
	@if [%1] neq [] (
	@if not exist %1 echo F \| xcopy %sourceFile% %1 /F /-Y
	REM If you don't want the prompts displayed onscreen, use the next line instead (but it won't show the paths of the files copied)

pckujawa / gist:3916480

Created October 19, 2012 06:14

Value iteration in grid world for AI

	#-------------------------------------------------------------------------------
	# Author: Pat Kujawa
	#-------------------------------------------------------------------------------
	#!/usr/bin/env python
	import numpy as np
	from pprint import pprint, pformat

	class Cell(object):
	def __init__(self):
	self.is_terminal = False

pckujawa / gist:3957444

Created October 26, 2012 07:37

Active and passive temporal difference learning in grid world for AI

	#-------------------------------------------------------------------------------
	# Author: Pat Kujawa
	#-------------------------------------------------------------------------------
	#!/usr/bin/env python
	import numpy as np
	import random
	from collections import defaultdict
	from pprint import pprint, pformat

pckujawa / coffee cooling sim.py

Created February 1, 2013 16:20

	#-------------------------------------------------------------------------------
	# Purpose: Coffee cooling simulation
	# Author: Pat (Hecuba)
	#-------------------------------------------------------------------------------
	#!/usr/bin/env python
	from pprint import pprint, pformat

	## Coffee cooling
	# Start at 90 C, target temp is 75 C
	# Cream drops temp 5 C immediately

pckujawa / simple harmonic oscillator sim.py

Created February 6, 2013 01:01

	#-------------------------------------------------------------------------------
	# Purpose:
	# Author: Pat
	#-------------------------------------------------------------------------------
	#!/usr/bin/env python

	import math
	import numpy as np
	import pylab as pl
	from pprint import pprint, pformat

pckujawa / falling body sim.py

Created February 6, 2013 01:48

	#-------------------------------------------------------------------------------
	# Purpose:
	# Author: Pat
	#-------------------------------------------------------------------------------
	#!/usr/bin/env python

	import math
	import numpy as np
	import pylab as pl
	from pprint import pprint, pformat

pckujawa / comparison of integrators for SHO sim.py

Last active December 11, 2018 16:05

Runge-Kutta, Euler-Richardson midpoint, and Euler methods compared for a simple harmonic oscillator simulation.

Pat Kujawa pckujawa