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Basic example

ActiveRecord::Base.transaction do
  david.withdrawal(100)
  mary.deposit(100)
end

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This example will only take money from David and give it to Mary if neither withdrawal nor deposit raise an exception. Exceptions will force a ROLLBACK that returns the database to the state before the transaction began. Be aware, though, that the objects will not have their instance data returned to their pre-transactional state.

Ruby On Rails Basics

Ruby On Rails Routing

ActiveRecord Migrations

ActivRecord Validations

ActiveRecord Associations

ActiveRecord Associations

ActiveRecord Query Interface

Naming Conventions

User Authentication

Ruby on Rails Views

ActiveRecord

Configure Angular

I18n-Internationalization

Authorization with CanCan

ActiveRecord Locking

Ruby on Rails ActionMailer

Upgrading Rails

Shallow Routing

Class Organization

Ruby on Rails ActiveJob

Tools Code Optimization and Cleanup

Change a default application enviornment

Ruby on Rails Engine - Modular

Asset Pipeline

Change Default Timezone

Ruby on Rails Rails 5

Ruby on Rails Elasticsearch

Ruby on Rails ActionCable

ActiveRecord Transactions

Ruby on Rails Friendly ID

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Ruby on Rails Rails-Engines

Ruby on Rails Mongoid

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Model states:AASM

Ruby on Rails Nested Form

Ruby on Rails Factory Girl

Rails frameworks over the years

Import whole CSV files from specific folder

Multipurpose ActiveRecord columns

Active Model Serializers

Rails5 API Authetication

Testing Applications

Payment feature in rails

Rails On docker

Authenticate Api using Devise

Ruby on Rails Prawn PDF

Ruby on Rails ActiveSupport

Single Table Inheritance

RSpec and Rails

Ruby on Rails Form Helpers

Ruby on Rails Configuration

React with Rails using react-rails gem

Deploying a Rails app on Heroku

Securely storing authentication keys

Decorator pattern

Ruby on Rails Rails logger

Ruby on Rails Gems

Ruby on Rails File Uploads

Ruby on Rails Caching

Ruby on Rails Rails-API

ActiveRecord Transactions

Ruby on Rails Configuration

Using GoogleMaps with Rails

Safe Constantize

Rails generate commands

Ruby on Rails ActiveModel

Ruby on Rails Add Admin Panel

Integrating React.js with Rails Using Hyperloop

Ruby on Rails
ActionController

Cookbook-Advanced rails recipes/learnings and coding techniques

ActiveRecord TransactionsAdding an Amazon RDS to our application

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