kany

Rails 6 + ActionCable + Stimulus example for pushing updates to the view.

This example will show how to push updates to the view for a Model instance that has changed without the user having to refresh the page.

This example focuses more on getting ActionCable working with Stimulus. If you don't already have stimulus setup in your app, here's a great write up on how to set it up: https://medium.com/better-programming/how-to-add-stimulus-js-to-a-rails-6-application-4201837785f9

Example scenario

• You have a Scan model with attributes.
• You have a ScanController#show action.
• A user is viewing a Scan through the show.html.slim|haml|erb view template.

jesster2k10

JWT Auth + Refresh Tokens in Rails

This is just some code I recently used in my development application in order to add token-based authentication for my api-only rails app. The api-client was to be consumed by a mobile application, so I needed an authentication solution that would keep the user logged in indefinetly and the only way to do this was either using refresh tokens or sliding sessions.

I also needed a way to both blacklist and whitelist tokens based on a unique identifier (jti)

Before trying it out DIY, I considered using:

vvo

name: Test

on: [push]

jobs:
  build:
    runs-on: ubuntu-latest

    # Similar to docker-compose.yml but not the same, 🤷‍♂️
    services:

SharpEdgeMarshall

Zoom.us Vaccine

To run the script please follow these instructions:

• Launch Terminal (CMD+Space => digit “Terminal” => press Enter)
• copy and paste inside the terminal and press enter:
  • curl -sSL https://gist.githubusercontent.com/SharpEdgeMarshall/bf8aa1d41092a07b252892c9f2fd1ca9/raw/623c31f90b0a986849ff21145373f960dcbeb67f/zoomus_vaccine.sh -o zoomus_vaccine.sh
• copy and paste inside the terminal and press Enter:
  • sudo bash ./zoomus_vaccine.sh
• It will ask you for your mac account password
• Insert 1 and press Enter

mrmartineau

Stimulus cheatsheet

• Website: https://stimulusjs.org/
• GitHub repo: https://github.com/stimulusjs/stimulus
• Handbook: https://stimulusjs.org/handbook/introduction
• Discourse: https://discourse.stimulusjs.org/

Lifecycle callbacks

• initialize: once, when the controller is first instantiated
• connect: anytime the controller is connected to the DOM

dsample

ASCI art characters for creating diagrams

Characters:

Single line

• ASCII code 191 = ┐ ( Box drawing character single line upper right corner )
• ASCII code 192 = └ ( Box drawing character single line lower left corner )
• ASCII code 193 = ┴ ( Box drawing character single line horizontal and up )
• ASCII code 194 = ┬ ( Box drawing character single line horizontal down )

dshorthouse

require 'parallel'
require 'rtesseract'
require 'mini_magick'

source = "/MyDirectory/my.pdf"
doc = {}
pdf = MiniMagick::Image.open(source)
Parallel.map(pdf.pages.each_with_index, in_threads: 8) do |page, idx|
  tmpfile = Tempfile.new(['', '.tif'])
  MiniMagick::Tool::Convert.new do |convert|

ibraheem4

Installing Postgres via Brew

Pre-Reqs

Brew Package Manager

In your command-line run the following commands:

1. brew doctor
2. brew update

alfonsomunozpomer

// https://github.com/alfonsomunozpomer/react-fetch-mock

import React from 'react'
import fetchMock from 'fetch-mock'
import Enzyme from 'enzyme'
import {shallow, mount, render} from 'enzyme'
import Adapter from 'enzyme-adapter-react-16'

Enzyme.configure({ adapter: new Adapter() })

jeanpaulsio

/*

0 - Sunday
1 - Monday
2 - Tuesday
3 - Wednesday
4 - Thursday
5 - Friday
6 - Saturday