carlhoerberg

var amqp = require('amqplib/callback_api');

// if the connection is closed or fails to be established at all, we will reconnect
var amqpConn = null;
function start() {
  amqp.connect(process.env.CLOUDAMQP_URL + "?heartbeat=60", function(err, conn) {
    if (err) {
      console.error("[AMQP]", err.message);
      return setTimeout(start, 1000);
    }

vasanthk

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

kshcherban

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import re
import json
import argparse
from datetime import datetime
from subprocess import Popen, PIPE

jpbarto

/** The following is a NodeJS port of the AWS SigV4 signing sample code (Python) to NodeJS
 *  The addition of the Authorization header has been informed by the use of Postman
 *  For more information see the following documentation:
 *  http://docs.aws.amazon.com/general/latest/gr/sigv4-signed-request-examples.html
 */

var https = require('https');
var crypto = require('crypto');

function sign(key, message) {

jganzabal

This configuration worked for me, hope it helps

It is based on: https://becominghuman.ai/deep-learning-gaming-build-with-nvidia-titan-xp-and-macbook-pro-with-thunderbolt2-5ceee7167f8b

and on: https://stackoverflow.com/questions/44744737/tensorflow-mac-os-gpu-support

Hardware

yelouafi

In this tutorial we're going to build a set of parser combinators.

What is a parser combinator?

We'll answer the above question in 2 steps.

1. What is a parser?
2. and, what is a parser combinator?

So first question: What is parser?

cdimascio

# start the mongo shell, then set to the appropriate db and create a user
# in this case, create a user with dbadmin, and read write access roles
use my_db
db.createUser( {  user: "my_user", pwd: "MyP@ssw0rd", roles: [ { role: "readWrite", db: "my_db"}, { role: "dbAdmin", db: "my_db" } ] })

vemarav

/**
 * add console.js at ther root of your app
 * Modify to make it more helpful for your project
 * > Note: `esm` adds ES6 support in Node
 * In package.json
 *  ...
 *  "scripts": {
 *    "start": "nodemon -r esm ./server.js"
 *    "console": "node -r esm --experimental-repl-await console",
 *  }

alecholmez

Incremental xDS Implementation Plan

• Authors: Alec Holmes
• Reviewers: (names here)
• Status: Planning

Contents

• Go Control Plane
  • Introduction
  • Motivation

lorensr

import { DataSource } from 'apollo-datasource'
import { InMemoryLRUCache } from 'apollo-server-caching'
import DataLoader from 'dataloader'

class FooDataSource extends DataSource {
  constructor(dbClient) {
    super()
    this.db = dbClient
    this.loader = new DataLoader(ids => dbClient.getByIds(ids))
  }