Justin Cano jstncno

What is this all about?

This tutorial will turn your Raspberry PI into a simple Bluetooth audio receiver, which plays music through connected speakers. It's like a regular car audio system, but it can be used anywhere and it's a good value.

   Audio source (i.e. smartphone) 
                |
                v
 (((  Wireless Bluetooth Channel  )))
 |

	def singletonmethod(func):
	def wrapped_classmethod(cls, args, *kwargs):
	if cls._instance is None or type(cls._instance) != cls:
	cls._instance = cls()
	return func(cls._instance, args, *kwargs)
	return wrapped_classmethod


	class Singleton(object):
	"""

	# Usage: $ mov2webm.sh input.mov output.webm
	INPUT=$1
	OUTPUT=$2

	# Convert a video file (e.g., .mov decoded as AppleProres w/ alpha channel) to a .webm
	# ffmpeg -i $INPUT -c:v libvpx-vp9 -pix_fmt yuva420p output.webm

	# Convert a video file (e.g., .mov decoded as AppleProres w/ alpha channel) to .png frames
	ffmpeg -i $INPUT frame-%02d.png

	#!/bin/bash

	if [[ $EUID -ne 0 ]]; then
	echo "This script must be run as root (use sudo)" 1>&2
	exit 1
	fi

	# /etc/config/openvpn
	# OpenWRT
	# https://www.privateinternetaccess.com/forum/discussion/3519/openwrt-router-config-for-always-up-vpn-with-pia

	package openvpn


	config openvpn pia

	# Set to 1 to enable this instance:

	// https://davidwalsh.name/convert-image-data-uri-javascript
	var getDataUri = function(url, callback) {
	var colorThief = new ColorThief();
	var image = new Image();

	image.onload = function () {
	var canvas = document.createElement('canvas');
	canvas.id = 'backgroundImg';
	canvas.style.display = 'none';

	function prompt {
	local BLACK="\[\033[0;30m\]"
	local BLACKBOLD="\[\033[1;30m\]"
	local RED="\[\033[0;31m\]"
	local REDBOLD="\[\033[1;31m\]"
	local GREEN="\[\033[0;32m\]"
	local GREENBOLD="\[\033[1;32m\]"
	local YELLOW="\[\033[0;33m\]"
	local YELLOWBOLD="\[\033[1;33m\]"
	local BLUE="\[\033[0;34m\]"

	name := "kafka-0.8-with-scala-2.10-example"

	version := "1.0"

	scalaVersion := "2.10.3"

	sbtVersion := "0.13.0"

	// Required to retrieve Kafka 0.8.0-rc5 artifacts; once Kafka 0.8.0 is officially released
	// you don't need to use the Apache Staging repo anymore.

	# http://stackoverflow.com/questions/553303/generate-a-random-date-between-two-other-dates#answer-553320
	import random, time

	def str_time_prop(start, end, format, prop):
	'''Get a time at a proportion of a range of two formatted times.

	start and end should be strings specifying times formated in the
	given format (strftime-style), giving an interval [start, end].
	prop specifies how a proportion of the interval to be taken after
	start. The returned time will be in the specified format.

	# Append to ~/.profile...
	PS1="master:~ $"
	changePrompt() {
	if [ "$PWD" == "$HOME" ]; then
	PS1="master:~ $ "
	else
	PS1="master:${PWD##*/} $ "
	fi
	}