Chris Riddoch riddochc

riddochc / unicode-truncate.clj

Last active May 16, 2016 23:13

	(defn truncate-safely-to [s bytelimit]
	"Truncate a UTF-8 string to the longest valid UTF-8 string less than bytelimit bytes"
	(if (< bytelimit 1) "" ; empty string
	(let [utf8 (.getBytes s "UTF-8")
	eos (- bytelimit 1)
	idx (if (<= (alength utf8) bytelimit)
	bytelimit
	(if (= 0 (bit-and (aget utf8 eos) 0x80))
	eos
	(first ;; get the character

riddochc / make-playlist.rb

Created August 1, 2014 21:46

Make playlist file for VLC from all MP4s below current directory, uses tagreader from taglib

	#!/usr/bin/env ruby

	require 'nokogiri'
	require 'open3'

	Track = Struct.new(:fullpath, :duration, :seqnum)

	tracks = Dir.glob("*/.mp4").map.with_index {\|file, i\|
	output = Open3.capture2e("/usr/bin/tagreader", file) {\|out\| out}
	if output[1].to_i != 0 # Successful return status?

riddochc / record.sh

Created August 23, 2011 07:15

Recording audio for transcription

	#!/bin/sh

	outfile=`date +"%Y-%m-%d-%H-%M-%S"`
	arecord -t wav -f S16_LE -c 1 -r 22050 > ~/training/$outfile.wav

riddochc / worldclock.rb

Created August 23, 2011 07:11

Tools for a world clock

	#!/usr/bin/env ruby

	require 'time'

	class Time
	def convert_zone(to_zone)
	original_zone = ENV["TZ"]
	utc_time = dup.gmtime
	ENV["TZ"] = to_zone
	to_zone_time = utc_time.localtime

riddochc / date_string.rb

Created August 23, 2011 01:17

Express one date relative to another

	require 'date'

	class Date
	def human_string()
	d = self
	today = Date.today
	days_apart = (today - d).to_i

	# Figure out the appropriate ordinal suffix for the n"th"
	if d.mday != 11 and d.mday.to_s =~ /1$/

riddochc / jquery-tests.html

Created April 28, 2011 09:01

Jquery hiding form elements based on radio button selection

	<html>
	<head>
	<title>JQuery tests</title>
	<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.5.2/jquery.min.js"></script>

	</head>
	<body>

	<h1>JQuery tests</h1>
	<form>