cassioscabral

##References

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

##Create Rails App

command to make new directory:

mkdir AppName

cassioscabral

Friendly URLs

By default, Rails applications build URLs based on the primary key -- the id column from the database. Imagine we have a Person model and associated controller. We have a person record for Bob Martin that has id number 6. The URL for his show page would be:

/people/6

But, for aesthetic or SEO purposes, we want Bob's name in the URL. The last segment, the 6 here, is called the "slug". Let's look at a few ways to implement better slugs.

cassioscabral

// SASS variable overrides must be declared before loading up Active Admin's styles.
//
// To view the variables that Active Admin provides, take a look at
// `app/assets/stylesheets/active_admin/mixins/_variables.css.scss` in the
// Active Admin source.
//
// For example, to change the sidebar width:
// $sidebar-width: 242px;

// Active Admin's got SASS!

cassioscabral

#!/usr/bin/ruby
require 'rss'

# Usage
# $ ./railscasts.rb http://railscasts.com/subscriptions/YOURRAILSCASTRSS/\/
#     episodes.rss
# OR
# $ ./railscasts.rb

p 'Downloading rss index'

cassioscabral

In your view:

<%= link_to "Load more", posts_path(@posts, page: @posts.current_page+1), id: "load-more-posts", remote: true %>

In your controller:

respond_to :html, :js, only: [:index]

def index

cassioscabral

# encoding: utf-8
# Be sure to restart your server when you modify this file.

# Add new inflection rules using the following format
# (all these examples are active by default):
# ActiveSupport::Inflector.inflections do |inflect|
#   inflect.plural /^(ox)$/i, '\1en'
#   inflect.singular /^(ox)en/i, '\1'
#   inflect.irregular 'person', 'people'
#   inflect.uncountable %w( fish sheep )

cassioscabral

Router.map(function () {
    this.route('index', {
        controller: 'BasicController',
        layoutTemplate: 'indexLayout',
        path: '/',
        waitOn: function () {
            return Meteor.subscribe('Channels');
        }
    });

cassioscabral

Deploy Rails app to digitalocean with nginx, unicorn, capistrano & postgres

Create droplet of your liking (ubuntu 12.10 x32)

ssh to root in terminal with your server ip

ssh [email protected]

Add ssh fingerprint and enter password provided in email

cassioscabral

Using Meld merging tool on Mac

1. Install XQuartz

2. Install meld with brew

    brew install meld
   

3. Copy PYTHONPATH

cassioscabral

#Model 

@user.should have(1).error_on(:username) # Checks whether there is an error in username 
@user.errors[:username].should include("can't be blank")  # check for the error message 

#Rendering
response.should render_template(:index)

#Redirecting 
response.should redirect_to(movies_path)