git clone
heroku apps:create MYAPPNAME
echo "web: vendor/bin/heroku-hhvm-apache2" >> Procfile
curl -sS | php
php composer.phar update
# add & commit composer.lock

heroku buildpacks:add heroku/php
heroku ps:scale web=1
View Spark Dataframe Cheat
# A simple cheat sheet of Spark Dataframe syntax
# Current for Spark 1.6.1
# import statements
#from pyspark.sql import SQLContext
#from pyspark.sql.types import *
#from pyspark.sql.functions import *
from pyspark.sql import functions as F
#SparkContext available as sc, HiveContext available as sqlContext.
View index.html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><META http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body>
# List unique values in a DataFrame column
# Convert Series datatype to numeric, getting rid of any non-numeric values
df['col'] = df['col'].astype(str).convert_objects(convert_numeric=True)
# Grab DataFrame rows where column has certain values
valuelist = ['value1', 'value2', 'value3']
df = df[df.column.isin(valuelist)]