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Contents:

• show full path for the item
• show tree in ol li
• show tree in dropdown select

Show full path for item

• one item

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Install Terminator (shell)

sudo add-apt-repository ppa:gnome-terminator
sudo apt-get update
sudo apt-get install terminator

Terminator should be setup as default now. Restart your terminal (shortcut: "Ctrl+Alt+T").

Install ZSH

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#Goal Deploy your Rails App super easily with Dokku on Digital Ocean cheap cheap!

##Notes

• Follow 12 factor design (include the rails_12factor gem)
• Don't forget your Procfile with the command to start up your application server
• I prefer using external hosted logging services like Logentries (not in this guide)
• Set up performance monitoring AppSignal or New Relic (not in this guide)

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module ApplicationHelper
  def active_for(options = {})
    name_of_controller = options[:controller] || nil
    name_of_action     = options[:action]     || nil
    request_path       = options[:path]       || nil

    if request_path.nil?
      if (name_of_action.nil? or name_of_action == action_name) and
          name_of_controller == controller_name
        'active'

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<fieldset>
  <div class="form-inline" style="margin-bottom:10px;">

    <div class="form-group">
      <%= f.text_field "synonyms[value]", class: "form-control" %>
    </div>

    <div class="form-group">
      <%= f.text_field "synonyms[synonyms]", class: "form-control", style: 'width: 300px;' %>
    </div>

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Configurando aplicação Rails com Nginx e Unicorn

TL;DR Como configurar uma aplicação Rails usando Nginx + Unicorn + Upstart + RVM (gemset por aplicação).

Dependências: (TODO) Configuração de Servidor Nginx

Essas instruções são aplicáveis para o seguinte ambiente:

• Sistema Operacional: Ubuntu Server 12.04 beta2
• Servidor: AWS EC2 usando ESB AMI: ubuntu/images-milestone/ebs/ubuntu-precise-12.04-beta2-amd64-server-20120328 (ami-b5ea34dc)

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ssh-keygen -t rsa -b 4096 -N '' -C "[email protected]" -f ~/.ssh/id_rsa
ssh-keygen -t rsa -b 4096 -N '' -C "[email protected]" -f ~/.ssh/github_rsa
ssh-keygen -t rsa -b 4096 -N '' -C "[email protected]" -f ~/.ssh/mozilla_rsa

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  def render
    pdf = Prawn::Document
    pdf.image StringIO.new(Base64.decode64(splitBase64(BASE64_IMAGE_GOES_HERE)[:data])), at: [10, cursor - 50], width: 200, height: 125
  end

  def splitBase64(uri)
    if uri.match(%r{^data:(.*?);(.*?),(.*)$})
      return {
        type:      $1, # "image/png"
        encoder:   $2, # "base64"

ismarsantos

How to Set up SSH Keys

Create the RSA Key Pair

ssh-keygen -t rsa

Store the Keys and Passphrase

Once you have entered the Gen Key command, you will get a few more questions:

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Model:
create_table :products do |t|
    ...
    t.decimal :price,         :precision => 8, :scale => 2, :default => 0.0
    ...
end