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Install rtl_433 on macOSX Sierra 10.12.5

Install Xcode from AppStore

After installing Xcode you’ll want to open up a terminal and ensure you have accepted the developer license:

$ sudo xcodebuild -license

Install the Apple Command Line Tools

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"""
This helper provides logging setup.

The call `logger.info("hello")` prints log messages in this format:

Usage:

    from logger import setup_logger

    logger = setup_logger()

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InfluxDB Cheatsheet

Connect to InfluxDB using the commandline:

$ influx

Create a database foo:

CREATE DATABASE foo

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#!/usr/bin/env python

# crontab -e
# @reboot python /home/pi/code/startup_mailer.py

import time
import subprocess
import smtplib
from email.mime.text import MIMEText
import datetime

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#!/usr/bin/env python

import json
import requests

url = 'https://randomuser.me/api/'

def main():
    res = requests.get(url).json()
    j = json.dumps(res, indent=2)

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import serial
import datetime
from pymongo import MongoClient

port = serial.Serial('/dev/ttyAMA0', baudrate=9600, timeout=2.0)
client = MongoClient('172.31.150.230')


def read_pm_line(_port):
    rv = b''

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(function(){
	document.body.innerHTML = '';
	document.head.innerHTML = '';

	var i = document.createElement('iframe');
	i.id='theiframe';
	i.style.width = '100%';
	i.style.height='100%';
	i.src = '?';

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(function ($) {

  var root = new RegExp(location.host);

  $( 'a' ).each(function() {
    if( location.hostname === this.hostname || !this.hostname.length ) {
      $(this).addClass('local');
    } else {
      $(this).addClass('external');
    }

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Clone fixed-size disc into dynamically allocated disc

"C:\Program Files\Oracle\VirtualBox\VBoxManage.exe" clonemedium <disk-name>.vdi <new-disk-name>.vdi --variant Standard

Resize dynamically allocated disc. New size: 25GB:

"C:\Program Files\Oracle\VirtualBox\VBoxManage.exe" modifyhd .vdi --resize 25000

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#rsync -aP --exclude-from=rsync-homedir-excludes.txt /home/$USER/ /media/$USER/linuxbackup/home/$USER/

#.android
#.AndroidStudioBeta
#.gradle
#.gvm
#.grails/
#.grails_history
#.kde/share/apps/nepomuk