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Resources I recommend to learn Ruby and Rails

New? Start here

I like jumping into tutorials first.

• Agile Web Development with Rails, I learned Rails with an older edition of this book
• The Rails Tutorial, The most popular Rails tutorial before it became a paid resource, "The Hartl Tutorial"

"How to write Ruby" Books

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import puppeteer from 'puppeteer';

const [, , url, folder = '.'] = process.argv;

if (!url) throw 'Must supply URL';

(async () => {
  const browser = await puppeteer.launch({ headless: 'new' });
  const page = await browser.newPage();

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FactoryBot.define :stripe_customer, class: Hash do
  skip_create
  initialize_with { new(attributes) }
  
  id { "cus_#{SecureRandom.hex(7)}" }
  object { "customer" }
  address { nil }
  balance { 0 }
  created { 1.day.ago.to_i }
  currency { "usd" }

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ConfigObject {
  mode: 'development',
  output: {
    filename: 'js/[name]-[contenthash].js',
    chunkFilename: 'js/[name]-[contenthash].chunk.js',
    hotUpdateChunkFilename: 'js/[id]-[hash].hot-update.js',
    path: '/path/to/rails/app/public/packs',
    publicPath: '/packs/',
    pathinfo: true
  },

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require "benchmark"
require "open-uri"
require "pathname"

n = 1_000

Benchmark.bm do |benchmark|
  benchmark.report("open(url).read") do
    n.times do
      open("http://localhost:3035/packs/manifest.json").read

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PROMPT_PREFIX="%{$fg[blue]%}[%{$reset_color%}"
PROMPT_SUFFIX="$fg[blue]%}]%{$reset_color%}"

HOST_PROMPT="%{$fg_bold[green]%}%n@%m"
DATE_PROMPT="$PROMPT_PREFIX%{$fg[red]%}%D{%I:%M:%S}$PROMPT_SUFFIX"
PWD_PROMPT="$PROMPT_PREFIX%{$fg[white]%}%~$PROMPT_SUFFIX"
LEADER_PROMPT="%{$fg_bold[blue]%}\$%{$reset_color%}"

PROMPT=$'$HOST_PROMPT $DATE_PROMPT$PWD_PROMPT$RUBY_PROMPT$(git_prompt_info)\
$LEADER_PROMPT '

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Capybara starting Puma...
* Version 3.12.0 , codename: Llamas in Pajamas
* Min threads: 0, max threads: 4
* Listening on ssl://127.0.0.1:61719?key=/Users/ross/dev/learnzillion/system-test-demo/config/ssl/ssl-lvh.me.key&cert=/Users/ross/dev/learnzillion/system-test-demo/config/ssl/ssl-lvh.me.crt
2018-08-16 10:52:20 -0400: SSL error, peer: 127.0.0.1, peer cert: , #<Puma::MiniSSL::SSLError: OpenSSL error: error:1407609C:SSL routines:SSL23_GET_CLIENT_HELLO:http request - 336027804>
2018-08-16 10:52:21 -0400: SSL error, peer: 127.0.0.1, peer cert: , #<Puma::MiniSSL::SSLError: OpenSSL error: error:1407609C:SSL routines:SSL23_GET_CLIENT_HELLO:http request - 336027804>
2018-08-16 10:52:21 DEBUG Selenium Executing Process ["/Users/ross/.gem/ruby/2.4.1/bin/chromedriver", "--port=9515"]
2018-08-16 10:52:21 DEBUG Selenium polling for socket on ["127.0.0.1", 9515]
2018-08-16 10:52:22 DEBUG Selenium polling for socket on ["127.0.0.1", 9515]
Starting ChromeDriver 2.34.522932 (4140ab217e1ca1bec0c4b4d1b148f3361eb3a03e) on por

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import range from 'lodash/range'

import('pdfjs/dist').then(pdfjs => {
  pdfjs
    .getDocument('wibble.pdf')
    .then(pdf => {
      const pagePromises = range(1, pdf.numPages).map(number => pdf.getPage(number))
      return Promise.all(pagePromises)
    })
    .then(

rossta

Triathlon Race Checklist

Pre-race shopping

• plastic ziploc bags
• pickle juice
• travel-size squirt bottles
• gatorades
• 2-3 gallons of water
• carbo-pro, gatorade drink mix

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RailsConf - Recommended Talks

Tues, April 17

Morning

• Who Destroyed Three Mile Island?
• The GraphQL Way: A new path for JSON APIs

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• Access Denied: the missing guide to authorization in Rails
• The Doctor Is In: Using checkups to find bugs in production