In this article we will be explaining the difference between includes and joins in Rails ActiveRecord, a topic which often confuses newbies to Rails.

If you need to update an active record attachment that has been attached using has_one_attached relation with the parent model, you may encounter errors. Here’s an example:

This article will discuss HTTP Basic Authentication in Ruby on Rails. This can be useful when a page needs to be accessible only to users with a password.

This article will discuss how to bypass password and password confirmation in the registration process and send a password through email when a user registers themselves.

This article will discuss implementing STI(Single Table Inheritance) using Devise. First, create a project.

This article will discuss how to implement an admin panel with activeadmin in Ruby on Rails. First, create a project and a few models.

This article will discuss bullet gem which helps you watch n + 1 queries when they are being used unnecessarily, as well as helping you to determine when they should be used.

Keeping technical documentation handy is extremely useful, especially when a project gets huge in terms of the code and database. One of the documents that should be included in the documentation is an Entity Relationship Diagram, or ERD. This article will discuss how to generate ERD at any stage of a project.

This article will discuss how to implement JBuilder for creating JSON response in Ruby on Rails.

This article will discuss how to implement charts and graphs in Ruby on Rails 6 applications.

This article will discuss how to implement authorization in a Ruby on Rails application using CanCanCan. Here’s how to start:

This article will discuss how to integrate AWS S3 in a Ruby on Rails application using ActiveStorage.

This article will discuss how to scrape websites in Ruby and Selenium. CSS class selectors will be used to scrape the data.

This article will discuss how to implement multiple bootstrap themes in Ruby on Rails 6 applications. This article is a continuation of this article, which explains how to implement a single theme.

This article will discuss how to implement token-based authentication using a gem called devise_token_auth. Here’s how to get started:

This article will discuss how to integrate VUE JS in a Ruby on Rails 6 application. Here’s how to start:

This article will explain how to use a bootstrap theme in a Ruby on Rails 6 application using AdmineLTE3. Start like this:

Frequently developers need to write data to files like .csv and .xlsx. This article will discuss this common use case in Ruby on Rails applications.

Imagine you have a fruit shop application built in Ruby on Rails. As a Rails developer, you know that to get to a specific fruit page, a URL like www.myfruitshop/1 will work - but it’s more user friendly to use something like this:

This article will discuss how to implement Ajax in a Rails 6 application. Here’s how to start:

As any Ruby on Rails developer knows, webpacker was a major addition in Rails 6. With the introduction of webpacker, Rails applications no longer need asset pipeline. The app/assets/javascript is moved to app/javascript.

This article will discuss how to attach images to a model from URLs with ActiveStorage.

Conditional validations can be used when a validation needs to be run only if a condition is satisfied. This can be implemented in many ways, a few of which we will discuss in this article.

It’s common to need to read data from .csv or .xlsx files and insert that data into the database. This is a frequent use case in web development. In this article, we will discuss this use case in Ruby on Rails applications.

For Rails developers, using enums with ActiveRecord is always a good choice when you have to manage the state of an object. For example, for an online shop, you may have three states of an order - i.e. received, dispatched and delivered. One option is to add three boolean fields in the database for received, dispatched and delivered, but this approach looks ugly. A cleaner approach is to add a single string column status that includes values of received, dispatched and delivered, then add three methods in the model file.