An Introduction to RabbitMQ: RabbitMQ is a message broker software where applications connect to the queue and transfer a message onto it. When one application server sends the request to another application server, RabbitMQ works as a que…

Action Cable is a powerful feature introduced in Rails 5. Using action cable one can develop real-time web applications. Action cable uses Web Sockets to create full duplex communication between application’s server and client. Using actio…

As software testing is moving from manual into automation at very fast speed, at times testers get into a scenario where they need to opt what needs to be automated, when to automate and why to opt for automated software testing? If you ar…

If you want to create Rails Application dependent on API only and you have a requirement to provide Token based authentication in your application. So you can use JWT+ KNOCK token based Authentication solution. Knock is an authentication s…

We have gone through many web applications and mobile applications which do not reload the entire page but instead reloads only the required section. These are nothing but Single Page Applications (SPA) which are developed using Angular. A…

Introduction to FontAwesome 5: Font Awesome 5 is upgraded version of Font Awesome 4, It has a more attractive icon with big improvement icons as compare to Font Awesome 4 Some improved points are listed below: FontAwesome 5 icons are drawn…

A scheduled task is very important in Ruby on Rails application. Ruby on Rails does not have this type of “out-of-the-box” feature, but we can use the Cron job to achieve the purpose. Cron can be scheduled to send a reminder email, or sche…

In this blog, you are going to learn about the deployment of rails application on the production server with its configuration setting in Apache. For this, you need to have Ruby, Rails, MySQL installed in your server system. Let’s begin wi…

Redis is an open source very fast, non-relational, in-memory data structure store. It stores data in the form of a key-value pair. Redis has a support of data structure like sets, hashes, strings, list. Redis is mostly used for the cache s…

In my coding lifetime, I have enhanced and improved my coding style after client feedback and guidance. I have learned over the years of time, that there aspects and points that has utmost importance in the coding of Ruby on Rails (RoR) ap…

When working in a team, you may have come across a situation wherein there are many copies of Code of your Ruby on Rails Application and then you really don't know if it has been updated,well-organized or well merged, for that matter, have…

Export data in HTML table is one of the most convenient features in the web application. Basically export means the user can download the data in some format like Excel, PDF or CSV. Once the data get exported it can be used offline. Nowada…

QR Code: Why they are more helpful than a standard standardized identification? Is that they can store more information, including URL connections, content and so on. Here, I am automating - I mean to say scanning/reading QR code without a…

Many times, we need to track the page views of any page such as profile page, shopping sites page in a Ruby on Rails applications, for which we can make use of Impressionist gem to track those page details easily. It is a lightweight plugi…

Now a day’s most of the web or mobile applications fetch data from server which is stored in a database. REST API provides an interface to stored data that require by the applications. GraphQL is a query language for REST API's not for ser…

What is SearchKick Gem? Searchkick Gem is a Ruby on Rails gem that runs on top of Elasticsearch and makes it easy searches in a Rails-friendly fashion. Searchkick supports the complete Elasticsearch Search API, as by using it our search be…

Step 1: First install postgres in Ubuntu system using following commands. $ sudo apt-get update $ sudo apt-get install postgresql postgresql-contrib libpq-dev To check psql (postgres) version. $ psql –version Step 2: Now to create root use…

The best_in_place gem is the easiest solution for in place editing in Ruby on Rails. This gem provides functionality of “in place editing” in ruby on rails without writing any extra ajax code. It supports text inputs, textarea, select drop…

Action Mailer is the Rails component that enables applications to send and receive emails. In Rails, emails are used by creating mailers that inherit from “ActionMailer::Base” in app/mailers. Those mailers have associated views that appear…

JWT is a Json Web Token,It is a standard and has been implemented in almost all popular programming languages. Hence, they can be easily used or exchanged in systems implemented in diverse platforms. JWT has libraries for almost all platfo…

Introduction: Sometimes the rails application requires sending the bulk mails using action mailers on the single attempt. The user can be able to send them seamlessly. But, this task is not possible in synchronous way. This will affect who…

What is Data scraping? Website/Data Scraping is a technique to operating large amounts of data from websites whereby the data is extracted and displayed in own sites or it can be stored to a File/Database. Data scraping is basically used w…

Devise is a flexible authentication solution for Rails. It is a complete MVC solution based on Rails engines. It allows you to have multiple models signed in at the same time. It hashes and stores a password in the database to validate the…

Consider this your invitation to become part of an extraordinary movement transcending the bitter political divide and united in shared purpose blind to color, party and religion. We reach out not just to the young, but young of heart and …

Let’s start with an example that you have two different tables called InternalEmail and ExternalEmail. internal_emails Id (integer) sender_id (integer) content (text) Subject (character varying) recipient_email (character varying) Status (…

To integrate the Instagram API in your website, you need you have to follow following process Log in to Instagram and open this page https://instagram.com/developer/clients/manage Click on the button «Register a New Client». Then Fill all …

To divide large number of records into multiple parts, we use pagination. It allows user to display a part of records only. Loading all records in a single page may take time, so it is always recommended to created pagination. In will_pagi…

FFmpeg is an extremely powerful and versatile command line tool for converting any multimedia files. It is free and available for Windows, Mac and Linux machines. Whether you want to join two video files, extract the audio component from a…

In many applications we need to provide the ability to like/dislike, upvote/downvote kind of functionalities and in order to implement this there is an awesome gem available in Ruby on Rails called “Acts as Votable” gem.These are the simpl…

How blockchain works Blockchain is a distributed database, which consists of two records: Individual transactions Blocks Individual transactions consist of “Header” and “Data” which is related to transactions. Transactions take place for a…