davoclavo

Build Server

• Go to Digital Ocean
• Create new ubuntu droplet

Setup Server

bastman

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

ChuckJHardy

class MyJob < ActiveJob::Base
  queue_as :urgent

  rescue_from(NoResultsError) do
    retry_job wait: 5.minutes, queue: :default
  end

  def perform(*args)
    MyService.call(*args)
  end

conorh

http {
    ...
    proxy_cache_path /data/perch.squaremill.com/shared/image_cache levels=1:2 keys_zone=images:10m;
    ...
}

srikanthjeeva

require 'net/http'
require 'net/https'
require 'uri'

uri = URI('https://example.com/rest/api/2/1')

Net::HTTP.start(uri.host, uri.port,
  :use_ssl => uri.scheme == 'https', 
  :verify_mode => OpenSSL::SSL::VERIFY_NONE) do |http|

scarfacedeb

/ Form excerpt
= f.button t(".save"), class: "btn"
= f.button t(".publish"), class: "btn", name: "publish"
= f.button t(".test"), class: "btn", name: "test"

eliotsykes

require 'rails_helper'

RSpec.describe TodosController, :type => :controller do

  describe "GET #index" do
  #describe "POST #create" do
  #describe "GET #show" do
  #describe "PATCH #update" do (or PUT #update)
  #describe "DELETE #destroy" do
  #describe "GET #new" do

jandudulski

# based on http://api.rubyonrails.org/classes/ActionController/RequestForgeryProtection.html

module Auth
  extend ActiveSupport::Concern

  included do
    helpers do
      def session
        env['rack.session']
      end

mlanett

HTTP status code symbols for Rails

Thanks to Cody Fauser for this list of HTTP responce codes and their Ruby on Rails symbol mappings.

Status Code Symbol
1xx Informational
100 :continue
101 :switching_protocols
102 :processing

somebox

Thoughts about Rails Presenters

This is a collection of links, examples and rants about Presenters/Decorators in Rails.

---

The "Decorator" pattern slowly started gaining popularity in Rails several years ago. It is not part of core Rails, and there's many different interpretations about how it should work in practice.

Jay Fields wrote about it in 2007 (before he switched back to Java and then Clojure): http://blog.jayfields.com/2007/03/rails-presenter-pattern.html