How to insert more Disqus comments box in a single page

Hello everyone! For those not familiar Disqus is a platform that allows you to easily insert a box for comments on any website and allows users to use the their Facebook or Twitter account (but not only) to authenticate. The limit of Disqus is that it associates any thread of comments to a unique url. Consequently, it will expect that in every page there is only a comment box. In most cases this limit is acceptable, but for some ap...

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Tips: Multiple pagination with will_paginate

Will Paginate is a great and widely used gem for pagination in Ruby on Rails.Sometimes you need to paginate multiple list on the same page.This tip show you how to put a list of paginated products and a list of of paginated services on the same page with will_paginate. The key point is to use a custom param param_name in the view and also in the controllerThe view code is something like this:123# ... # products list here <%= w...

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A new layout easier and more spacious

In the last days we have spent a bit of our time to do a full redesign of our website and our blog. The result is what you are looking while reading this article. Specifically, the innovations we introduced in both the theme of the blog and the web site are: Wider layout splitted into two columns also for the website Blog contents with more space, which is very useful when showing code snippets A wide and straight header that shows the key points of each page A wider footer with a...

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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 ...

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Ruby on Rails and jQuery: multiselect with checkbox

Ruby on Rails and jQuery: multiselect with checkbox

Today I want to present a very convenient jQuery plugin I’ve used to create a combo box with checkboxes for a multi-selection field.Suppose we have a form of insertion / modification of user data, and that the user can have multiple functions. We start with rendering the form with a multi-selection field, where you can select more functions with the combination “<ctrl> +...

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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...

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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 f...

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