Phazz

$ ./benchmark.rb 1000
                               user     system      total        real
# Inserting 1000 rows normally
insertion                  0.290000   0.030000   0.320000 (  0.396852)

# Updating 1000 rows normally
updating                   0.280000   0.020000   0.300000 (  0.381354)

# Updating 100 rows, adding 10 columns each
insertion/10               0.280000   0.020000   0.300000 (  0.410743)

Phazz

require 'active_record'
require 'activerecord-import'
require 'benchmark'
require 'pg'

include ActiveRecord

Base.establish_connection adapter: 'postgresql',
                          encoding: 'unicode',
                          pool:     5,

Phazz

require "pg"
require "redis"

words = File.read("/usr/share/dict/words").split "\n"
pgconn = PGconn.open :dbname => "test_hstore", :port => 5433, :user => "test_user", :password => "changeme"
redis = Redis.new
reps = [1,10,100,1000,10000]
pg_inserts = []
pg_selects = []
redis_sets = []

Phazz

<%= semantic_form_for @parent do |a| %>

  <%= a.inputs "Family Details" do %>
      <%= a.input :name  %>
      <%= a.input :user %>
      <%= a.input :region %>
  <% end %>

  <%= a.inputs "Children" do %>
    <table>

Phazz

Sublime Text 2 – Useful Shortcuts (PC)

Loosely ordered with the commands I use most towards the top. Sublime also offer full documentation.

Editing

Ctrl+C	copy current line (if no selection)
Ctrl+X	cut current line (if no selection)
Ctrl+⇧+K	delete line
Ctrl+↩	insert line after

Phazz

ActiveAdmin.register_page "Dashboard" do

  menu :priority => 1, :label => proc{ I18n.t("active_admin.dashboard") }

  content :title => proc{ I18n.t("active_admin.dashboard") } do
    #    div :class => "blank_slate_container", :id => "dashboard_default_message" do
    #      span :class => "blank_slate" do
    #        span "Welcome to Active Admin. This is the default dashboard page."
    #        small "To add dashboard sections, checkout 'app/admin/dashboards.rb'"
    #      end

Phazz

ActiveAdmin::Dashboards.build do
  # Add this section in your dashboard...

  section "Background Jobs" do
    now = Time.now.getgm
    ul do
      li do
        jobs = Delayed::Job.where('failed_at is not null').count(:id)
        link_to "#{jobs} failing jobs", admin_jobs_path(q: {failed_at_is_not_null: true}), style: 'color: red'
      end

Phazz

# config/initializers/active_admin.rb

ActiveAdmin.setup do |config|
  config.current_user_method = :current_user
  config.authentication_method = :authenticate_user!
  config.before_filter :admin_role_filter
end


# Adding all recource names to Permissions table after ActiveAdmin is loaded

Phazz

##References

• ActiveAdmin Home
• Heroku Backups
• Heroku Dev/Prod Environments

##Create Rails App

command to make new directory:

mkdir AppName

Phazz

# blog post: 

# Before using this initializer, you must set up Cancan. First, add the gem to your Gemfile:
#
#     gem 'cancan'
#
# Next, generate and edit an Ability class:
#
#     rails generate cancan:ability
#