Be default, Refile does not have a way to secure file downloads. It relies on a generated hash that is unknown to users unless the page renders that image or has a download to that file. This is okay sometimes, however, protecting the file from being downloaded for those who have the URL is a bit more involved.

Refile is a modern file upload library for Ruby applications. It is simple, yet powerful. This episode covers the basics of uploading and displaying images. Next episodes will cover protecting files and progress bars.

Creating Static Pages within your Rails application is easy and configurable with High Voltage.

With strong params replacing attr_accessible, a difficulty has arisen with referencing to the structure of your models. With annotate, we can generate the structure of our models in the comments of our models.

Part of a good User Experience is making your application easy to use for your users. However, a few bad apples often cause a hinderance to your UX/UI by the addition of Captchas. Learn how to create invisible captchas to protect your forms while delivering a good UX.

ActiveJob is a built in wrapper within Rails 4 for your background processors. By adding this layer to your application, swapping background processors is much easier as you will only be affecting a limited number of files.

This episode is a prelude to ActiveJob and background processing. Learn how to send emails using an external mail service with Rails.

Adding Search Engine Optimization to your site is easy. However, maintaining it can be difficult. This episode shows how to approach the sitemap indexing.

Protecting your data within your database has never been easier. With attr_encrypted, you can easily add a level of security to your application without much refactoring.

This is a Rails library which integrates with Active Records and provides some awesome user-initiated string interpolations for your web apps. For example, have you ever needed to allow users to insert their own variables into e-mail templates or messages?