jchris’s gists

jchris / hashfiles.rb

Created July 5, 2010 20:05

	require 'digest/md5'

	# usage: run this in the root directory of your iTunes Music folder, or wherever, and pipe the output to a file
	# next, pipe the output of that file through `sort` to a new file
	# now, use the next script on that file

	ls = Dir['*/']

	ls.each_with_index do \|f, i\|
	STDERR.puts ls.length - i if (i % 100 == 0)

jchris / topN.js

Created October 31, 2010 15:03

a CouchDB list function for returning the top Terms in where the key is like [Term|_Rest]

	function(seq, req) {
	var min = 0, term, count, row
	, i, top = parseInt(req.query.top), match = [];
	while (row = getRow()) {
	term = row.key[0];
	count = row.value;
	if (match.length < top) {
	match.push([term, count]);
	} else {
	if (count > min) {

jchris / ga_stats.rb

Created November 16, 2010 05:50

	require 'rubygems'
	require 'garb'
	# couchrest is only required because it makes the dates to_json into
	# something javascript can parse.
	require 'couchrest'

	class OpenStruct
	def to_json
	table.to_json
	end

jchris / reduce.js

Created November 26, 2010 04:41

unique key count reduce

	function(ks, vs, rr) {
	// values are discarded by reduce
	// todo: configurable key function, for complex queries
	var fk, lk;
	function uniqCount(keys) {
	var count = 0, obj = {};
	for (var i=0; i < keys.length; i++) {
	if (!obj[keys[i]]) {
	count++;
	obj[keys[i]] = true;

jchris / couchapp.html

Created November 27, 2010 15:14

the smallest possible CouchApp

	<!DOCTYPE html>
	<html>
	<!-- This should be the simplest possible jQuery based CouchApp. Install by uploading to a design document in Futon or putting in _attachments/index.html and running `couchapp push` -->
	<head><title>Tiny CouchApp</title></head>
	<body>
	<h1>Tiny CouchApp</h1>
	<ul id="databases"></ul>
	</body>
	<script src="/_utils/script/jquery.js"></script>
	<script src="/_utils/script/jquery.couch.js"></script>

jchris / learnifthen.js

Created December 20, 2010 21:17

teaching amysue javascript

	rainPain = function(temp, cip) {
	if (temp < 39) {
	console.log ("too cold!")
	} else if (temp<80 && cip){
	console.log("ouch")
	} else {
	console.log("time to walk the dogs")
	}
	}
	rainPain(75, true)

jchris / index.html

Created April 27, 2011 16:54

jQuery CouchDB Hello World - to use this script, create the map view in futon and click Save As, then upload index.html as an attachment to _design document created with the view. browse to index.html to run the app.

	<!DOCTYPE html>
	<html>
	<head><title>Tiny CouchApp</title></head>
	<body>
	<h1>Tiny CouchApp</h1>
	<form id="new_message">
	<label for="message">Message:</label>
	<input type="text" name="message" value="">
	<p><input type="submit" value="Save →"></p>
	</form>

jchris / jquery.couchLogin.js

Created May 9, 2011 22:48

jQuery plugin for CouchDB login/signup/logout in 80 lines (2kb minified)

	// Copyright Chris Anderson 2011
	// Apache 2.0 License
	// jquery.couchLogin.js requires jquery.couch.js
	//
	// Example Usage (loggedIn and loggedOut callbacks are optional):
	// $("#mylogindiv").couchLogin({
	// loggedIn : function(userCtx) {
	// alert("hello "+userCtx.name);
	// },
	// loggedOut : function() {

jchris / not_in_svn.rb

Created July 22, 2011 01:54

you want to know the commits that never made it into svn

	# usage:
	# git log \| ruby not_in_svn.rb \| less
	# license: Apache 2.0
	# copyright: J Chris Anderson 2011
	# this might be too trivial to copyright

	def print_if_no_match buffer, regex
	text = buffer.join("\n")
	unless text.match(regex)
	puts text

jchris / gist:1239928

Created September 24, 2011 22:05

	GNU gdb 6.3.50-20050815 (Apple version gdb-1708) (Mon Aug 8 20:32:45 UTC 2011)
	Copyright 2004 Free Software Foundation, Inc.
	GDB is free software, covered by the GNU General Public License, and you are
	welcome to change it and/or distribute copies of it under certain conditions.
	Type "show copying" to see the conditions.
	There is absolutely no warranty for GDB. Type "show warranty" for details.
	This GDB was configured as "x86_64-apple-darwin".Attaching to process 44141.
	2011-09-24 15:04:57.694 daz[44141:f803] Registering custom .ini file /Users/jchrisa/Library/Application Support/iPhone Simulator/5.0/Applications/696D756A-2862-4778-A48A-E63A9E7FDAF8/daz.app/app.ini
	2011-09-24 15:04:57.697 daz[44141:f803] Couchbase: Starting CouchDB, using runtime files at: /Users/jchrisa/Library/Application Support/iPhone Simulator/5.0/Applications/696D756A-2862-4778-A48A-E63A9E7FDAF8/daz.app/CouchbaseResources (built Sep 21 2011, 14:55:44)
	Eshell V5.8 (abort with ^G)

Chris Anderson jchris