Tom Buckley tbuckl

Let's make a tool!

import arcpy, os, tempfile

import is used to bring in another library, here we bring in:

arcpy which is the esri library and
os which for Operating system things
tempfile is for making temperary files

Using Google Maps API and R

This script uses RCurl and RJSONIO to download data from Google's API to get the latitude, longitude, location type, and formatted address

library(RCurl)
library(RJSONIO)
library(plyr)

Stealing WiFi

/etc/hosts

This will let you access any google owned site. This includes: youtube, google cache, google translate, google search, gmail, google news, etc.

Install the HTTPS Everywhere extension
Add these rules to your /etc/hosts file

Using arbitrary Leaflet JS plugins with Leaflet for R

The Leaflet JS mapping library has lots of plugins available. The Leaflet package for R provides direct support for some, but far from all, of these plugins, by providing R functions for invoking the plugins.

If you as an R user find yourself wanting to use a Leaflet plugin that isn't directly supported in the R package, you can use the technique shown here to load the plugin yourself and invoke it using JS code.

	-- Functions to create and draw histograms with PostgreSQL.
	--
	-- psql# WITH email_lengths AS (
	-- -# SELECT length(email) AS length
	-- -# FROM auth_user
	-- -# LIMIT 100
	-- -# )
	-- -# SELECT * FROM show_histogram((SELECT histogram(length, 0, 32, 6) FROM email_lengths))
	-- bucket \| range \| count \| bar \| cumbar \| cumsum \| cumpct
	-- --------+-------------------------------------+-------+--------------------------------+--------------------------------+--------+------------------------

	# 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

	<!DOCTYPE html>
	<html>
	<head>
	<title></title>
	<meta charset="utf-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" />
	<style type='text/css'>
	body {
	background:#000;
	color:#fff;

	<script src="https://rawgit.com/Esri/Terraformer/master/terraformer.js"></script>
	<script src="https://rawgit.com/Esri/terraformer-arcgis-parser/master/terraformer-arcgis-parser.js"></script>
	<!-- CDN or locally hosted is ideal but I'm using raw github so that we get error reporting within the unminified source
	<script src="http://cdn-geoweb.s3.amazonaws.com/terraformer/1.0.4/terraformer.min.js"></script>
	<script src="http://cdn-geoweb.s3.amazonaws.com/terraformer-arcgis-parser/1.0.4/terraformer-arcgis-parser.min.js"></script>
	-->
	<script>
	var input = {
	"x": -66.796875,
	"y": 20.0390625,

	# This is kind of long. It should be a lot simpler in the future, once these steps are done.

	# Clone repo:
	git clone https://github.com/CityOfMesaAZ/MuniciPal.git mesa-municipal

	# get into repo
	cd mesa-municipal

	# Add the upstream repository:
	git remote add upstream https://github.com/codeforamerica/MuniciPal.git