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var url = require('url');
var https = require('https');
var querystring = require('querystring');

var webhookID = 'YOUR/WEBHOOK/integration-id';
var webhookURLBase = 'https://hooks.slack.com/services/';
var webhookURL = [webhookURLBase, webhookID].join('');

var slashCommandToken = 'your-slash-command-token';

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Using aws-cli and jq

list all instances for all ASGs

aws autoscaling describe-auto-scaling-instances \
  | jq '.AutoScalingInstances[] | {AutoScalingGroupName, InstanceId}'

list instance IDs for a particular ASG

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#!/usr/bin/env python

import os
import sys
import yaml


def dir_to_dict(path):

    directory = {}

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#!/usr/bin/env python

import os
import sys
import yaml


def dict_to_dir(data, path=str()):
    """dict_to_dir expects data to be a dictionary with one top-level key."""

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Also see: https://gist.github.com/lemiorhan/8912188

Simple automated deployment using git hooks

Here are the simple steps needed to push your local git repository directly to a remote (e.g. prod) server over ssh. This is based on Digital Ocean's Tutorial.

Overview

You are developing in a working-directory on your local machine, let's say on the master branch. Usually people push code to a remote server like github.com or gitlab.com and pull or export it to a production server. Or you use GitHub's webhooks to send a POST request to a webserver to take appropriate actions such as cloning/checking out a branch on the remote (prod) server.

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Apache Spark installation + ipython/jupyter notebook integration guide for macOS

Tested with Apache Spark 2.1.0, Python 2.7.13 and Java 1.8.0_112

For older versions of Spark and ipython, please, see also previous version of text.

Install Java Development Kit

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{
  "_id": 200325283,
  "clientInterface": "mobile-iOS",
  "totalFareWithCurrency": {
    "amount": 1628000,
    "currency": "IDR"
  },
  "totalSeatSelectionFareWithCurrency": {
    "amount": 0,
    "currency": "IDR"

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Letsencrypt (for WordPress sites)

Note: This setup assumes you are running Ubuntu 16.04 OS with Apache 2.4.23, older versions of Ubuntu (i.e. 14.04) require minor configuration changes in order for this setup to work.

Setup

Follow the install instructions for certbot (letsencrypt's SSL manager) on https://certbot.eff.org/, making sure to select the correct server OS version.

Note: You only need to complete the Install section, then return to this README in order to setup your SSL

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#read more here http://tautt.com/best-nginx-configuration-for-security/
 
#don't send the nginx version number in error pages and Server header
server_tokens off;
 
# config to don't allow the browser to render the page inside an frame or iframe
# and avoid clickjacking
add_header X-Frame-Options SAMEORIGIN;
 
# when serving user-supplied content, include a X-Content-Type-Options: nosniff header along with the Content-Type: header,

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import avro.schema
import io, random
from avro.io import DatumWriter, DatumReader
import avro.io

# Path to user.avsc avro schema
schema_path="user.avsc"
schema = avro.schema.parse(open(schema_path).read())