johnykov

Tech blogs worth following, Links

1. highscalability
2. the new stack
3. fly.io blog
4. datadog blog
5. changelog.com
6. https://www.kai-waehner.de/

johnykov

class Book
  attr_reader :title, :authors, :published_at

  def initialize(title, authors, published_at)
    @title = title
    @authors = authors
    @published_at = published_at
  end
end

johnykov

describe('should navigate repeated customer ', () => {
  let scope, ctrl, state, rootScope, fakeProfileService, sandbox, $provide, $controller;

  beforeEach(module('rootApp'));

  afterEach(() => sandbox.restore());

  beforeEach(() => module('rootApp', function(_$provide_) {
    $provide = _$provide_;

johnykov

class Recommender(transactionModel: SasquatchTransactionModel)(implicit ec: ExecutionContext) extends StrictLogging {

  def findCheaperMerchant(transaction: SasquatchTransactionDTO): DBRead[Seq[SasquatchRecommendation]] = {
    val mId: String = transaction.merchantId
    logger.info(s"Computing cheaper merchant for transaction: ${transaction.extId} merchant: ${mId}")

    val top10NearestMerchants = transactionModel.nearestNeighbour(
      long = transaction.long,
      lat = transaction.lat,
      category = transaction.category

johnykov

import akka.actor.ActorDSL._
import akka.actor.ActorSystem

// need an actor system, make it implicit to it's used by all our repl based actors
implicit val system = ActorSystem("demo")

// here's a simple example of creating an actor
// Also, this will give us a simple actor that is used to print the 
// results sent back to us from the other actors.
val a = actor(new Act {

johnykov

import spray.json._

object MyJsonProtocol extends DefaultJsonProtocol {

  implicit object MetricJsonFormatDouble extends RootJsonFormat[Metric[Double]] {
    def write(c: Metric[Double]) = JsObject()

    def read(value: JsValue) = value.asJsObject.getFields("total", "ok", "ko") match {
      case Seq(JsString(total), JsString(ok), JsString(ko)) =>
        Metric[Double](total.toDouble, ok.toDouble, ko.replace("-", "0").toDouble)

johnykov

1.
	brew install ruby
	brew info ruby

2.
	#Add this line to your .profile (or .bash_profile, .bashrc, .zshrc, etc):
	export PATH=/usr/local/opt/ruby/bin:$PATH
	#restart terminal
3.
	gem install jekyll

johnykov

1.
	brew install boot2docker
	brew install docker
	echo "export DOCKER_HOST=tcp://127.0.0.1:4243" >>~/.bash_profile	

2.
	boot2docker init #once init virtualbox vm
	VBoxManage modifyvm "boot2docker-vm" --natpf1 "tcp-port$27017,tcp,,27017,,27017";

3.

johnykov

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

johnykov

mkdir heroku
cd heroku/
virtualenv --no-site-packages env
source env/bin/activate
pip install bottle gevent
pip freeze > requirements.txt

cat >app.py <<EOF
import bottle
import os