orioltf

1. Check if a page variable has been defined

   1. Set variables in a page (page.html.haml) at the very biginning of the file:

      ---
      variable: value
      variable2: value 2
      ---

WaKeMaTTa

Order of Rails Controller Callbacks

Rails 4.x

Started GET "/" for 127.0.0.1 at 2017-05-19 14:17:18 +0200
  Processing by WelcomeController#index as HTML
    prepend_around_action
    prepend_before_action
 before_action

joshtab

# Sidekiq interaction and startup script
commands:
  create_post_dir:
    command: "mkdir -p /opt/elasticbeanstalk/hooks/appdeploy/post"
    ignoreErrors: true
files:
  "/opt/elasticbeanstalk/hooks/appdeploy/post/50_restart_sidekiq.sh":
    mode: "000755"
    owner: root
    group: root

maxdbn

# Dont forget to set the env variable "certdomain", and either fill in your email below or use an env variable for that too.
# Also note that this config is using the LetsEncrypt staging server, remove the flag when ready!

Resources:
  sslSecurityGroupIngress: 
    Type: AWS::EC2::SecurityGroupIngress
    Properties:
      GroupId: {"Fn::GetAtt" : ["AWSEBSecurityGroup", "GroupId"]}
      IpProtocol: tcp
      ToPort: 443

ismailakbudak

docker build -t friendlyname .                                            # Create image using this directory's Dockerfile
docker run -p 4000:80 friendlyname                                            # Run "friendlyname" mapping port 4000 to 80
docker run -d -p 4000:80 friendlyname                                                   # Same thing, but in detached mode
docker ps                                                                           # See a list of all running containers
docker stop <hash>                                                               # Gracefully stop the specified container
docker ps -a                                                     # See a list of all containers, even the ones not running
docker kill <hash>                                                             # Force shutdown of the specified container
docker rm <hash>                                                        # Remove the specified container from this machine
docker rm $(docker ps -a -q)            

steinnes

container_commands:
    01setup_swap:
        command: "bash .ebextensions/setup_swap.sh"

ryancolorcafe

# Ruby
'.source.ruby':
  'Ruby pry':
    'prefix': 'pry'
    'body': 'require "pry"\nbinding.pry'

# ERB
'.text.html.ruby,
.text.html.erb':
  'ERB pry':

gamecreature

module PunditExtensionHelper
  # this method is the same as the pundit_scope method
  # the difference is, it doesn't invoke the resolve method
  def policy_scoper(scope_in, method = :resolve)
    scope = scope_in.is_a?(Array) ? scope_in.last : scope_in

    policy_scope_class = Pundit::PolicyFinder.new(scope).scope!
    return unless policy_scope_class

    begin

entcheva

require "bundler/inline"

gemfile(true) do
  source "https://rubygems.org"
  git_source(:github) { |repo| "https://github.com/#{repo}.git" }
  gem "factory_bot", "~> 5.0"
  gem "activerecord"
  gem "sqlite3"
end

KeithP

# This is to enable WS support. Credits: # https://gist.github.com/Bubelbub/0a942a0d51a3d329897d
# THIS WORKS! for running the example 5.0.0.beta1 chat app on a single instance Elastic beanstalk AWS instance

files:
  "/etc/nginx/conf.d/websockets.conf" :
    content: |
      upstream backend {
          server unix:///var/run/puma/my_app.sock;
      }