dedemenezes

puts 'Welcome to Chritmas Gift List'
user_input = nil

gift_list = [{ name: 'Laptop', status: false }, { name: 'Flamengo Shirt', status: false }]
# indexes     0                                  1

while user_input != 'quit'
  # 1. Give the user a new option (MARK)
  puts 'Which action [list|add|delete|mark|quit]?'

dedemenezes

# RECAP!

# Data type

# String
"Le Wagon"
# Integer
12
# Float
12.2

dedemenezes

git init
-> start using git in a new project folder

git status
-> check which files have been changed

git add filename

git commit --message "your message" || git commit -m "your message"
-> create a commit (save point)

dedemenezes

# 1. Define alphabet array
# 2. Split string into array of letters
# 3. Iterate over letters array
# For each letter
# 4. Shift letter three letter behind in the alphabet
# 4.1 Identify the letter index in the alphabet
# 4.2 Subtract 3 from index
# 4.3 Access new alphabet letter
# 6. Join shifted letters array into string

dedemenezes

Git Cheatsheet ;)

• git init -> starts tracking your folder with git
• git status -> checks what files have been changed
• git add filename -> stage the changes
• git commit --message "a meaningful message"
• git commit -m "a meaningful message" -> create a "savepoint"
• git push origin master -> pushes the changes (commits) to github
• git diff filename -> checks the difference from the last commit
• git log

dedemenezes

import Trix from 'trix';

window.Trix = Trix; // Don't need to bind to the window, but useful for debugging.
const { lang } = Trix.config

const initTrix = () => {
  console.log("INIT TRIX!");
  // Trix.config.blockAttributes.heading1.tagName = 'h3'
  Trix.config.toolbar.getDefaultHTML = getDefaultHTML.bind(this)
  // this.addForegroundButtonConfig()

dedemenezes

import { Controller } from "@hotwired/stimulus"
import Trix from 'trix'
const { lang } = Trix.config

// Connects to data-controller="trix"
export default class extends Controller {
  static targets = ['editor']

  connect() {
    document.addEventListener('trix-before-initialize', () => {

dedemenezes

<<~SQL
SELECT * FROM books
WHERE publishing_year < 1985
SQL

<<~SQL
SELECT * FROM books
JOIN authors ON authors.id = books.author_id
WHERE authors.name = "Jules Verne"
ORDER BY books.publishing_year DESC

dedemenezes

SELECT * FROM books
WHERE publishing_year < 1985

SELECT * FROM books
JOIN authors ON authors.id = books.author_id
WHERE authors.name = "Jules Verne"
ORDER BY books.publishing_year DESC
LIMIT 3

class CreateAuthors < ActiveRecord::Migration[7.0]

dedemenezes

Full MVC Rails app

Model(s)

• Model -> singular, eg: 'car' , 'child'
• table -> plural, eg: 'cars', 'children'

Which columns/attributes should we add to our table? After give it a thought ⤵️

rails g model :ModelName : : ...