Heriberto Perez

  •   http://elh.mx/

How to create custom promotions and coupons in Spree 2

Promotions and Discounts are an effective way for you to market your products and services, and eCommerce systemS don't have …
Ecommerce Spree   •   November 10, 2014   •   14 min read

Uploading into Amazon AWS images and Sitemaps on Spree 2.2 or Rails Apps

Hello guys I want to share with all of you a way to set up your Spree 2.2 or Rails …
Rails Spree   •   July 15, 2014   •   5 min read

How to migrate/update to Devise 3.1

Recently we updated our online retrospective tool from Rails 3 to Rails 4. We got some issues related to the …
Rails Ruby   •   November 12, 2013   •   5 min read

Backbone: How to implement pagination

Step by step Pagination using Kaminari, Rails, Coffeescript, Backbone and Underscore In this tutorial I’m going to show you how …
Javascript   •   July 25, 2013   •   11 min read
JQuery: How To Limit Two Decimal Digits

JQuery: How To Limit Two Decimal Digits

Hello there, this time I’d like to explain how to limit two decimal digits in a jQuery input field. This …
Javascript   •   February 27, 2013   •   1 min read
Upload Backbone.js, Paperclip, Jquery Field

Upload Backbone.js, Paperclip, Jquery Field

Hello there, A few days ago I was looking for a step-by-step tutorial on how to manage file upload with …
Javascript Rails   •   February 19, 2013   •   12 min read
Rails: Creating And Using Modules

Rails: Creating And Using Modules

Let’s talk about using Ruby Modules in Rails applications. I want to apply this tutorial to one refactoring task, where …
Rails   •   November 20, 2012   •   10 min read
Lambda In ActiveRecord

Lambda In ActiveRecord

On one occasion, I had a problem with a couple of ActiveRecord scopes. The problem showed up when creating the …
Rails Ruby   •   September 26, 2012   •   3 min read