arirusso’s gists

arirusso / vidsampler.rb

Created April 23, 2012 19:52 — forked from marcel/gist:2100703

vidsampler – extract audio samples from online video

	#!/usr/bin/env ruby
	#
	# vidsampler – extract audio samples from online video
	#
	# for OSX only
	#
	# Usage:
	#
	# ruby vidsampler.rb [youtube url] [minute:second] [duration]
	#

arirusso / expression_timer.rb

Created April 30, 2012 01:51

Ruby methods for protecting against timing attacks

	#!/usr/bin/env ruby
	#
	# Ruby methods for protecting against timing attacks
	#

	module ExpressionTimer

	# a shortcut to ExpressionTimer.send that passes in the object for which this module
	# was included
	#

arirusso / d3basics.html

Created September 18, 2012 18:14 — forked from ashleybot/d3basics1.js

D3.js Basic Vertical Bar Chart

	<!DOCTYPE html>
	<html>
	<head>
	<script src="http://d3js.org/d3.v2.min.js"></script>
	</head>

	<body>
	<div role="main">
	<div class="charts"></div>
	<script language="JavaScript">

arirusso / remove_spaces.sh

Created June 6, 2013 17:28

One-liner to remove spaces from the names of all files in the current directory

	#!/bin/sh
	#
	# Remove spaces from the names of all files in the current directory
	#

	ls -1 \| while read file; do new_file=$(echo $file \| sed s/\ //g); mv "$file" "$new_file"; done

arirusso / gifmp3.sh

Last active December 22, 2015 13:29

Create a quicktime movie that combines a looping animated gif with an mp3. The resulting movie will be the same length as the audio file.

	#!/bin/sh
	#
	# Create a quicktime movie that combines a looping animated gif with an mp3. The resulting movie will
	# be the same length as the audio file.
	#

	if [ $(( $# - $OPTIND )) -lt 4 ]; then
	echo "Usage: $0 input.gif input.mp3 output.mov [framerate] [resolution]"
	exit 1
	fi

arirusso / transcriber.rb

Created January 3, 2014 04:52

Basic usage of the CMU Sphinx voice recognition toolkit in JRuby

	require "java"
	require "benchmark"

	# To install and build CMU Sphinx, from the directory where you wish to run this script:
	#
	# svn co https://svn.code.sf.net/p/cmusphinx/code/trunk/sphinx4
	# cd sphinx4
	# ant
	#

arirusso / webkitSpeechRecognition

Created January 4, 2014 01:52

Hello world for Web Speech API in a browser. Speak into the microphone and the recognized words will be printed

	<!DOCTYPE html>
	<html lang="en">

	<head>
	<meta charset="utf-8">
	<title>JavaScript Web Speech API Example</title>
	<script src="http://code.jquery.com/jquery-latest.min.js" type="text/javascript"></script>
	<script type="text/javascript">

	var final_transcript = '';

arirusso / gifcut.rb

Created January 20, 2014 07:27

Extract animated gif from mp4 video

	input_file,
	output_file,
	start_time,
	duration,
	fps,
	scale = *ARGV

	options = "-ao null -nosound -vo gif89a:fps=#{fps}:output=#{output_file} -ss #{start_time} -endpos #{duration} -vf scale=#{scale}"
	player_path = "/Applications/MPlayer OSX Extended.app/Contents/Resources/Binaries/mpextended.mpBinaries/Contents/mpextended.mpBinaries/Contents/MacOS/mplayer"

arirusso / duration.sh

Created January 21, 2014 06:31

One-liner to get the total duration for .mov video files in the current directory

	#!/bin/sh
	#
	# Get the total duration for .mov video files in the current directory
	#

	find *.mov -print0 \| xargs -0 /Applications/MPlayer\ OSX\ Extended.app/Contents/Resources/Binaries/mpextended.mpBinaries/Contents/mpextended.mpBinaries/Contents/MacOS/mplayer -vo dummy -ao dummy -identify 2>/dev/null \| perl -nle '/ID_LENGTH=([0-9\.]+)/ && ($t +=$1) && printf "%02d:%02d:%02d\n",$t/3600,$t/60%60,$t%60' \| tail -n 1

arirusso / open_ableton_project.scpt

Created June 13, 2015 16:44

Open Ableton Live project from CLI

	--- osascript open_ableton_project.scpt [project name]

	on run argv
	tell application "Finder"
	--- get current directory
	set parentpath to POSIX path of (parent of (path to me) as text)
	end tell
	tell application "Ableton Live 9 Suite"
	open (POSIX path of parentpath) & "assets/ableton/" & item 1 of argv & " Project/" & item 1 of argv & ".als"
	end tell

Ari Russo arirusso