avjpl

Link to these links: https://git.io/vKSVZ

Module 1:

• Run jenkins from war file: jenkins -jar jenkins.war
• Run jenkins from docker:

docker run -d \
           --restart unless-stopped \
           --name jenkins \

avjpl

import express from 'express';

const app = express();

if (IS_DEV) {
    require('piping')();
}
//express routes, etc.
export default app;

avjpl

var sinon = require('sinon'),
    Widget = require('../../widget');

describe('My widget', function () {
    var sandbox;
    
    beforeEach(function () {
        // Create a sandbox for the test
        sandbox = sinon.sandbox.create();
    });

avjpl

Install 3scale self managed API gateway (openresty) in Mac OS-X

brew update
brew install pcre openssl

wget http://openresty.org/download/ngx_openresty-1.9.7.2.tar.gz
tar xzvf ngx_openresty-1.9.7.2.tar.gz
cd ngx_openresty-1.9.7.2

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// === Arrays

var [a, b] = [1, 2];
console.log(a, b);
//=> 1 2


// Use from functions, only select from pattern
var foo = () => [1, 2, 3];

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// getComponent is a function that returns a promise for a component
// It will not be called until the first mount
function asyncComponent(getComponent) {
  return class AsyncComponent extends React.Component {
    static Component = null;
    state = { Component: AsyncComponent.Component };

    componentWillMount() {
      if (!this.state.Component) {
        getComponent().then(Component => {

avjpl

resource "digitalocean_droplet" "web" {
  image  = "ubuntu-16-04-x64"
  name   = "webserver"
  region = "lon1"
  size   = "512mb"
}

avjpl

PSQL

Magic words:

psql -U postgres

Some interesting flags (to see all, use -h or --help depending on your psql version):

• -E: will describe the underlaying queries of the \ commands (cool for learning!)
• -l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)

avjpl

import renderer from 'react-test-renderer'
import Sidebar from '../Sidebar'

jest.mock('react-router-dom', () => ({
  Link: 'Link',
  Route: ({ children, path }) => children({ match: path === '/somewhere' })
}))

it('should render correctly', () => {
  const component = renderer.create(<Sidebar />)

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import React, { useEffect, useState } from "react";

const logMousePosition = e => {
  console.log({
    x: e.clientX,
    y: e.clientY,
  });
};

const Position = () => {