David Albert davidbalbert

Building giant satellites at K2 Space. Formerly and forever Recurse Center.

davidbalbert / ssha1.bash

Created December 7, 2017 19:32

Generate a hashed password with random salt in the OpenLDAP SSHA format (seeded SHA-1). For use with FreeRADIUS.

	#!/bin/bash

	set -euo pipefail

	if [ "$#" -lt 1 ]; then
	echo "usage: $0 password" >&2
	exit
	fi

	SALT=$(head -c 18 /dev/urandom \| base64 \| tr -d '\n')

davidbalbert / rcscout_react_example.html

Created November 10, 2017 20:10

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>RC Scout + React example</title>
	<script src="https://unpkg.com/babel-standalone@6/babel.min.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.1.0/umd/react.production.min.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.1.0/umd/react-dom.production.min.js"></script>
	<script type="text/babel">
	// From https://gist.github.com/davidbalbert/44f7f3329c2bcbc5b5bee2d4b93a8253

davidbalbert / rcscout-react-babel.js

Last active November 10, 2017 20:09

Support for running RC Scout with React

	class RCScout extends React.Component {
	rerenderScout() {
	if (window._rcs && window._rcs.inst) {
	window._rcs.inst.render();
	}
	}

	componentDidMount() {
	this.rerenderScout();
	}

davidbalbert / time_with_zone_comparison_bug.rb

Created October 12, 2017 15:50

	# frozen_string_literal: true

	begin
	require "bundler/inline"
	rescue LoadError => e
	$stderr.puts "Bundler version 1.10 or later is required. Please update your Bundler"
	raise e
	end

	gemfile(true) do

davidbalbert / scope.js

Created August 2, 2017 18:06

	for (var i = 0; i < 10; i++) {}

	i // => 10

	for (let j = 0; j < 10; j++) {}

	j // Uncaught ReferenceError: j is not defined

davidbalbert / range.js

Created August 2, 2017 16:36

	function range(start, stop, step = 1) {
	if (Math.sign(stop-start) !== Math.sign(step) \|\| step === 0) {
	return [];
	}

	let nums = [];

	if (step > 0) {
	for (let i = start; i <= stop; i += step) {
	nums.push(i);

davidbalbert / -

Created July 19, 2017 15:18

	2017-07-19T15:05:45.358048+00:00 app[web.4]: ActionController::RoutingError (No route matches [POST] "/api/v1/token"):
	2017-07-19T15:05:45.358050+00:00 app[web.4]: vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.7.1/lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'
	2017-07-19T15:05:45.358050+00:00 app[web.4]: vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-3.14.1.311/lib/new_relic/agent/instrumentation/middleware_tracing.rb:79:in `call'
	2017-07-19T15:05:45.358051+00:00 app[web.4]: vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.7.1/lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
	2017-07-19T15:05:45.358052+00:00 app[web.4]: vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-3.14.1.311/lib/new_relic/agent/instrumentation/middleware_tracing.rb:79:in `call'
	2017-07-19T15:05:45.358053+00:00 app[web.4]: vendor/bundle/ruby/2.3.0/gems/railties-4.2.7.1/lib/rails/rack/logger.rb:38:in `call_app'
	2017-07-19T15:05:45.358053+00:00 app[web.4]: vendor/bundle/ruby/2.3.0/gems/railties-4.2.7.1/lib/rails/ra

davidbalbert / scout.html

Last active July 10, 2017 16:25

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>React Scout test</title>
	<script src="https://unpkg.com/babel-standalone@6/babel.min.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.6.1/react.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.6.1/react-dom.js"></script>
	</head>
	<body>

davidbalbert / convert_key.rb

Created June 22, 2017 16:40

Convert an RSA public key from PKCS#8 format to PKCS#1 format

	#!/usr/bin/env ruby
	#
	# Converts an RSA public key from PKCS#8 format to PKCS#1 format. This is useful if you don't have OpenSSL 1.1
	# See https://stackoverflow.com/questions/18039401/how-can-i-transform-between-the-two-styles-of-public-key-format-one-begin-rsa

	key = STDIN.read

	lines = key.split("\n")
	only_key = lines[1..-2].join("")
	without_header = only_key[32..-1]

davidbalbert / memoize.rb

Created June 2, 2017 19:55

memoize.rb

	module Memoize
	def memoize(name)
	m = Module.new do
	define_method name do \|*args\|
	return instance_variable_get("@_#{name}") if instance_variable_defined? "@_#{name}"

	instance_variable_set("@_#{name}", super(*args))
	end
	end