How to send email asynchronously using Devise and Rails3

Hello everyone.I’d show a workaround to send email asynchronously using Devise and Rails3.Suppose we have already up and running our application with Devise and delayed_job correctly installed.A first attempt was to add in config/initializers the following file (devise_async.rb):12345678910111213141516#devise_async.rb module Devise module Models module Confirmable handle_asynchronously :send_confirmation_instructions end module Recoverable h...

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Different layout for the same controller

In some projects can happen that you have to use different graphic templates for different methods of the same controller. At first sight one would implement a solution that provides an explicit call to the desired layout within each action.Something like this:123456789101112131415161718192021class PostController < ApplicationController def index [...] :layout => 'standard' end def show [...] :layout...

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Rails Best Practices 6: Filters and helpers file

With the today’s post I shall conclude my series on Ruby On Rails Best Practices . This is not because the required topics are completed, but rather because after the release of Rails 3.0, some constructs have been changed and should be reviewed. Probably in future we will return to talk about best practices, but starting from the new features introduced in the current Rails version. But now I will describe two techniques that are valid and which are mainly related to code ...

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Rails Best Practices: introduction

I’ve decided to dedicate a series of posts to Rails Best Practices because I think it is important to share in order to continuously improve the way you write programs.Write these posts will also be an opportunity for me to investigate my knowledge, so I invite you right now to follow this trip with me and contribute with your comments.This first post is just an introduction in which I want to h...

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Partial Validation in Rails

It happens sometimes that you have to implement creation or editing of a model splitted on more than one form. A classic case is a registration form divided into two steps or a guided wizard with several pages.This situation presents us with a problem: when and how to validate data?The first idea that may come to mind is simply to leave it all validations in the last page when you go to create or update the model. But this is also the least elegan...

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