dermatthias

### Keybase proof

I hereby claim:

  * I am dermatthias on github.
  * I am dermatthias (https://keybase.io/dermatthias) on keybase.
  * I have a public key whose fingerprint is AC02 AA14 BA11 3F8D E75E  9D0A D870 E61F DA5A 94C4

To claim this, I am signing this object:

dermatthias

(defn process-file
  [file-name line-func line-acc]
  (reduce line-func line-acc (read-lines file-name)))

(defn process-line-data
  [acc line]
  (let [l (.split line "\t")]
	(assoc acc (first l) (vec (rest l)))))

dermatthias

(defn euclidean
  "berechnet den (modifizierten) euklidischen abstand zwischen zwei usern"
  [active other]
  (Math/sqrt (reduce + (map (fn [movie] 
	 (let [features (item-map movie)]
	   (reduce + (map (fn [feat] (diff active other movie feat)) features)) ))
	 (common-items active other)))))

dermatthias

(defn pearson-fast
  [v1 v2]
  (let [dim (double (count v1))
	meanv1 (/ (areduce v1 i ret 0 
		    (+ ret (aget v1 i))) dim)
	meanv2 (/ (areduce v2 i ret 0 
		    (+ ret (aget v2 i))) dim)
	sum (areduce v1 i ret 0
		    (+ ret (* (- (aget v1 i) meanv1) 
			      (- (aget v2 i) meanv2))))

dermatthias

(ns com.freiheit.clojure.appengine.appengine-local
  (:use
   [compojure.http routes servlet helpers]
   clojure.contrib.test-is
   compojure.server.jetty
   [clojure.contrib def str-utils duck-streams])
  (:require
   [clojure.contrib.logging :as log])
  (:import
   [com.google.appengine.api.labs.taskqueue.dev LocalTaskQueue]

dermatthias

import android.os.Handler;
import android.os.Looper;

import com.squareup.otto.Bus;

public class MainThreadBus extends Bus {
	private final Handler mainThread = new Handler(Looper.getMainLooper());
	
	@Override public void post(final Object event) {
		if (Looper.myLooper() == Looper.getMainLooper()) {

dermatthias

# -*- coding: utf-8 -*-
import paho.mqtt.client as mqtt
import time
import json
import base64

def on_connect(client, userdata, flags, rc):
    print("Connected with result code " + str(rc))

dev_eui = 'ZZZZZ'

dermatthias

#include <lmic.h>
#include <hal/hal.h>
#include <SPI.h>

// TODO: fill in your credentials here 
static const PROGMEM u1_t NWKSKEY[16] = ;
static const u1_t PROGMEM APPSKEY[16] = ;
static const u4_t DEVADDR = ;

void os_getArtEui (u1_t* buf) { }

dermatthias

// m:2-2=10 for scanning for URL frames (00 = UID, 20 = TLM)
BeaconParser eddystoneURLBeaconParser = new BeaconParser().setBeaconLayout("s:0-1=feaa,m:2-2=10,p:3-3:-41,i:4-13,i:14-19");
beaconManager.getBeaconParsers().add(eddystoneURLBeaconParser);

//....(search for beacons with didRangeBeaconsInRegion() etc.)

String url = new String(beacon.getId1().toByteArray(), "UTF-8");