Lawrence Wang levity

Playfully participating in evolving collective intelligence

levity / retry.html

Created August 9, 2011 00:25

jQuery auto-retries if a callback fails!?

	<html>
	<body>
	<div id="foo"></div>
	<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6/jquery.min.js" type="text/javascript" charset="utf-8"></script>
	<script type="text/javascript" charset="utf-8">
	$(function() {
	$('#foo').hide().slideDown(null, function() {
	x = intentionally_cause_error;
	})
	})

levity / shellmate.rb

Created August 18, 2011 10:00

	#!/usr/bin/ruby
	# america's funniest home ruby tricks:
	# barebones textmate shell REPL
	# paste this into a textmate window
	# type a command at the prompt, then type Cmd-a Ctrl-r
	prompt = "> "
	history = DATA.read.split("\n")
	cmd = history.last.gsub(/^#{prompt}/, '')
	print "\n#{`#{cmd}`}#{prompt}"
	__END__

levity / ssl_bookmarklet.coffee

Created September 13, 2011 20:25

stub for ssl bookmarklet server

	https = require 'https'
	fs = require 'fs'

	options = {
	key: fs.readFileSync('privatekey.pem'),
	cert: fs.readFileSync('certificate.pem')
	}

	host = 'levityisland.com'

levity / rspec-syntax-cheat-sheet.rb

Created November 28, 2011 20:10 — forked from dnagir/rspec-syntax-cheat-sheet.rb

RSpec 2 syntax cheat sheet by example

	# RSpec 2.0 syntax Cheet Sheet by http://ApproachE.com

	# defining spec within a module will automatically pick Player::MovieList as a 'subject' (see below)
	module Player
	describe MovieList, "with optional description" do

	it "is pending example, so that you can write ones quickly"

	it "is already working example that we want to suspend from failing temporarily" do
	pending("working on another feature that temporarily breaks this one")

levity / branch_ages.rb

Created January 10, 2013 00:48

list remote branches sorted by age

	require 'date'

	branch_times = `git remote show origin`.split("\n").grep(/tracked/).map do \|line\|
	name = line.split(' ').first
	last_log = `git log -n1 origin/#{name}`
	last_time = Date.parse(last_log.split("\n").grep(/^Date/).first.sub(/^Date\s+/, ''))
	[name, last_time.to_date]
	end.sort_by(&:last)

	branch_name_maxlen = branch_times.map(&:first).map(&:size).max

levity / change.js

Last active January 4, 2016 08:19

editing a page with VoodooPad API

	var Page = function(key) {
	var page = document.pageForKey(key),
	data = page.dataAsAttributedString(),
	text = data.mutableString(),
	changed = false;

	this.write = function(msg) {
	changed = true;
	text.appendString(msg);
	};

levity / mosql.rake

Created March 25, 2014 22:55

Rake task for MoSQL on Heroku

	# This is a simplified version of what we're using in production for drinksoma.com

	namespace :mosql do
	task :run => :environment do
	conf_path = Rails.root.join('config', 'collections.yml')
	cmd = "mosql -c #{conf_path} --sql #{ENV['MOSQL_POSTGRES_URI']} --mongo #{ENV['MOSQL_MONGO_URI']}"

	IO.popen(cmd) do \|child\|
	trap('TERM') { Process.kill 'INT', child.pid }
	$stdout.sync = true

levity / gist:3896035584c554abc1aa

Created May 31, 2015 21:19

Verifying I am +lw on my passcard. https://onename.com/lw

levity / gist:f0bf0f890d0f5587d6b836d04be169a2

Created February 3, 2017 00:22

yarnpkg.com partial outage

	Command: curl -I https://yarnpkg.com/latest.tar.gz

	West Coast US:

	HTTP/1.1 404 Not Found
	Date: Fri, 03 Feb 2017 00:17:42 GMT
	Content-Type: text/html; charset=utf-8
	Connection: keep-alive
	Set-Cookie: __cfduid=df3a36c097b2974c57d5a70443866f69f1486081062; expires=Sat, 03-Feb-18 00:17:42 GMT; path=/; domain=.yarnpkg.com; HttpOnly
	Cache-Control: public, max-age=0, must-revalidate

levity / bitfinex-api-example.js

Created March 24, 2017 19:49

	const request = require('request')
	const crypto = require('crypto')

	const url = 'https://api.bitfinex.com/v1'
	const apiKey = '<Your API key here>'
	const apiSecret = '<Your API secret here>'
	const payload = {
	'request': '/v1/account_infos',
	'nonce': Date.now().toString()
	}