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Rails 4: Let’s assume we have two models Movie and Actor. Actor has many movies and Movie belongs to Actor. In most of the cases, the developers used to validate the foreign key actor_id is present or not. In this case, it will not validate actor model as to whether the entered actor id exists …

How to use belongs_to in Ruby on Rails Read More »

Display IDs in your URLs can be terrible and wasteful for SEO. In this blog entry, I will demonstrate to you how you can utilize slugs to make your URLs more relevant to the page content. In the first place, we will utilize an implicit arrangement (superseding the to_param strategy) to change the URLs and …

How To Create Search Friendly Urls in Rails Read More »

Paper trail lets us track all the changes in the models data for the purpose of its editing and versioning. By using this gem, we can see how a model looks, at every stage of its life-cycle and we can take it back to any version of the model data and we can even undo …

Track Changes To Your Model’s Data with Paper Trail Gem Read More »

Dalli is a high performance pure Ruby client for accessing memcached servers. It works with memcached 1.4+ only, as it uses the newer binary protocol. Memcache Memcached is a quick in-memory protest reserving framework that can make Rails run much quicker with not very many changes. Memcached is an in-memory key-value store for little pieces …

Rails caching with dalli gem Read More »

Using Rails data as a part of javascript is an extremely regular need, particularly for Javascript applications such as Angular, Ember and SPA. If it is a small amount of data, we can directly assign it to the ruby variables. From rails view: Ex:- HTML: ; $(‘#user’).val(); HTML data attribute: <%= content_tag “div”, id: “posts”, …

Use of Gon Gem with Javascript & Rails Read More »

Keeping your code elegant and no code clones while building up a vast Rails application can be a significant test, notwithstanding for an accomplished developer. Fortunately, there is a gem that make this code refactoring much simpler. For a great many people, dead/wasteful code will develop after some time. Others will find themselves in such …

Code Refactoring Gem – Flay Read More »

Ruby Gems or “gem” is a package manager for the Ruby programming language that provides a standard format for distributing Ruby programs and libraries. It is easy to manage and install to your system and it can be used by various rails applications. Every RoR developer might have customised a gem at least once in …

How to create a Ruby Gem Read More »

Admin section is a common module for most of the applications. For Rails applications we have a gem called Active Admin. That can be used to create application from scratch to admin interfaces with little effort. Introduction Its a framework where all the admin tasks can be managed. It creates the beautiful admin interface that …

Active Admin Read More »

Rails uses a CookieStore to handle sessions. What it means is that every one of the information expected to recognize a client’s session is sent to the customer and nothing is put away on the server. When a user sends a request, the session’s cookie is processed and validated so rails, warden, devise, etc. can …

Basics of Sessions, Cookies and SEO in Rails Read More »

PayPal Checkout includes payment solutions ranging from simple to robust that let the merchants as well as developers choose an integration option that can be the best-suited for their website and customers. In order to integrate Paypal Payment Gateway, we need to do the following: 1. Have a PayPal business or Premier account. 2. Create …

Ways of Handling PayPal Refunds in Rails Read More »