dalanmiller

<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/">
    <channel>
        <title>RethinkDB: the open-source database for the realtime web</title>
        <description>News and updates from the RethinkDB team.</description>		
        <link>http://rethinkdb.com</link>
        <atom:link href="http://rethinkdb.com/feed.xml" rel="self" type="application/rss+xml" />
        
        <item>

dalanmiller

##
#Finding the hottest observations per day (or a _single_ maxima for each day)
##
r.db("telemetry_pi").table("observations").create_index
r.db('telemetry_pi').table("observations").group({index: "datetime"}).max("temp").ungroup()("reduction")

##
#Finding some basic statistics and calculating a simple linear regression (y_humidity = alpha + beta_temp * temp)  
##
# https://en.wikipedia.org/wiki/Simple_linear_regression

dalanmiller

#!/usr/bin/python
import rethinkdb as r
from datetime import datetime, timedelta
conn = r.connect("localhost", 28015, db="telemetry_pi")

##
#Finding the average temperature & humidity for the past 24 hours
##
day_ago = datetime.now() - timedelta(hours=24)
cursor = r.table("observations")\

dalanmiller

sudo apt-get install g++ protobuf-compiler libprotobuf-dev libboost-dev curl m4 wget

#At this point make sure you check to see that 2.0.4 is still the most recent version of RethinkDB! http://rethinkdb.com
wget http://download.rethinkdb.com/dist/rethinkdb-latest.tgz
tar xf rethinkdb-latest.tgz
rm rethinkdb-latest.tgz
cd rethinkdb-*
./configure --with-system-malloc --allow-fetch 

#Export the proper C++ flags for Raspberry Pi 1/2

dalanmiller

import socket
import rethinkdb as r
import time
import Adafruit_DHT
import datetime
import logging
import sys

logging.basicConfig(
    level=logging.INFO,

dalanmiller

var r = require("rethinkdb");
var Promise = require("bluebird");
var fs = require("fs");
var PushBullet = require('pushbullet');
Promise.promisifyAll(fs);

fs.readFileAsync("token").then(function(val) {
    PUSHER = new PushBullet(val.toString().trim());
})
.then(function(){

dalanmiller

ssh -nNT -L port_on_local_machine:ip_of_docker_container_on_remote_host:port_of_docker_container_on_remote_host username@remote_host 

dalanmiller

import rethinkdb as r

url = "http://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/2.5_month.geojson"

def refresh_quakes():
	conn = r.connect()
	r.db("earthquakes").table("quakes").insert(
		r.http(url)["features"].merge({
			"time": r.epoch_time(
				r.row['properties']['time'] / 1000

dalanmiller

import pymongo
from pprint import pprint

mc = pymongo.MongoClient("localhost", 27017)

db = mc['yelp']

doctor = db.businesses.find_one()

reviews_on_business = db.reviews.find({"business_id" : doctor["business_id"]})

dalanmiller

Keybase proof

I hereby claim:

• I am dalanmiller on github.
• I am dalanmiller (https://keybase.io/dalanmiller) on keybase.
• I have a public key ASAQCRsgm5E5wH1wpGzk3IMIgHvgCmsVpKeFnqGR-hUE4Ao

To claim this, I am signing this object: