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Ruby on Rails is an open source programming language which is mainly designed for improving the database-backed web applications. ROR is used for managing the interactions of the database and also manage the page areas and design by providing a template system. This programming language is easy to learn and constructed on the Ruby. ROR is an object oriented programming language with few coding and rich libraries. It is loosely based on the Perl programming language and very easy to extend. Major two components that involved in ROR are listed below:
- Action Record: Action record supports the interaction of the database.
- Action Pack: in this, view code and controller code are unconnected while view and controller are connected.
Some of the major topics that take place in the ROR are First class functions, Controller, Closures in Ruby, Testing equality, Supported databases, IRB, Control structures, Text editors, Heritage, Minitest, Migrations, and many more.
ROR can works with the various database systems such as Oracle, DB2, SQL Server, MySQL, PostgreSQL, and many more. It enables user to create the various web application on its framework, but firstly a user has to install the various software, including Ruby, rails framework, a database system and a web server.
Software which is majorly involved in the ROR is named as Rake software. It refers to an automation tool which enables user to define the dependencies and tasks in a namespace. It determines the various tasks by using the anonymous function and Ruby syntax. Various types of tools can be written in the Rakefiles and Ruby by using Ruby syntax.
Rails Active Record is mainly concerned with the ORM layer and also follows the ORM models which includes tables map to classes, column and row map to object attributes. It furnishes an interface among the code of the ruby program and table of the Relational database. Code of ruby program mainly manipulates the records of the database. Names of the Ruby methods mainly acquired from the field names of the database tables. Active records can access the database by using CRUD methods which stands for Create, Read, Update and Delete.
Moreover, Model-view-controller framework supports a technique, namely Scaffolding which determines the use of application database. For generating the evaluation code, various framework use Scaffolding with the code templates. Applications mainly use this evaluated code to perform the various action on database entries such as read, create, delete and update. Scaffolding majorly involved in the ROR and adjustable with the some other software frameworks also, including ASP.NET Dynamic data, Phalcon PHP, Brail, catalyst, Express framework, web2py, Spring Roo, Seam Framework, Yii, Model-Glue, Grails, KumbiaPHP, OutSystems Platform, etc.
RubyGems is defined as a standard format which is used to differentiate the libraries and the programs that written into the Ruby programming language. It acts as a package manager for the Ruby. A tool which is mainly used to operate the RubyGems and to install the libraries is named as gems. Gems acts as an interface for the RubyGems. User can search the installed gems from the libraries folders by merging RubyGems with the Ruby run-time loader. A user can use the both Public and Private RubyGems repository, but public repository is majorly used for managing the gem. Each gem comprises of documentation, Gemspec and code.
RVM stand for Ruby Version Manager which manage the numerous installations of the Ruby on one device. RVM enables user to work with the numerous ruby environment easily. It has a gem management system which is termed as Named Gem sets while Gemsets refers to a collection of gems used by RVM to provide the features of Ruby gems for an organization. .rvmrc file used to associate the Gemsets with the different directories. To prevent the execution from the unauthorized access, .rvmc files needs trusting. RVM supports an API which mitigates the complexity of the various facets of ruby development. It permits user to add the text file in their application’s repository. RVM mitigates the risk in a system as it provides the best level system security.
Additionally, RVM provides the installations of several versions of the MRI. With this, functions of RVM provides the various implementation of the Ruby programming languages which includes MacRuby, Topaz, IronRuby, GoRuby, Rubinius, JRuby, mruby, and many more.
A ruby library which mainly provides the HTTP web servers is named as WEBrick. It only recognizes the servlets language. It can create the various types of servers such as HTTPS server, Virtual-host server, HTTP based server and proxy server by using the access authentication. It provides the easily construction of the non-HTTP servers, such as Day time server. It is majorly used by the ROR frameworks can be for testing the applications in a development environment. for providing a web application, it majorly involves the handling of ERB pages, Ruby Blocks, directory listings and CGI scripts. It handles the all of things by using numerous servlets.
Furthermore, Ruby on Rails covers the various major topics, including MVC, Ruby framework, Variables, Directory Structure, Loops, Routes and many others. It involves the several Advanced Concepts also. Some of the advanced concepts that involved in ROR field are listed below:
- YAML & REST
- Ruby Meta-Programming
- Rails MVC
- Advanced Routing
- RESTful API
- Security & Caching
- Debugging & Testing
- NoSQL with MongoDB
- Rendering in Rails
It is an MVC-based framework that is used for developing web application on the Ruby language. It is used talk query to the database, render templates out of the box.
Rails Scaffolding ,Rails Conventions ,Ruby on Rails Models ,Exploring ActiveRecord ,Validations ,Associations ,Migrations ,Ruby on Rails Controllers
Exploring ActionController ,Writing Actions ,Filters ,Creating RESTful controllers ,Controller Nesting ,Ruby on Rails Views ,Exploring ActionView ,Writing Views for actions ,Partials ,Forms
Ruby on Rails is a programming language which is developed by Yukihiro Matsumoto in the 1990s. Ruby is largely and loosely based on Perl. It is completely object oriented. Ruby on Rails is an open-source, full-stack framework for increasing database-backed web applications according to the Model-View-Control pattern.
It is web framework for Ruby, designed to make it easier to design, deploy and keep web applications and design with Model-View-Controller, every piece of knowledge should be expressed in one place. Incoming requests are first sent to a router then router determines where in the application the request should be sent and how the request itself should be parsed. Router identifies a particular method in the controller code called an action. The action may look at data in the request, interact with the model and cause other actions to be invoked.
The two Main components in Rails are Action Pack and Active Record
Active Record- It model support simplifies database interaction.
Action Pack- In Action Pack, controller and view are tightly coupled and view code and controller code are separate
View is responsible for creating all or part of a page, it can include dynamic content, may contain embedded code, developers must be careful to maintain clean separation of Model, View, and Controller code. Rails also support the creation of page templates and helpers and helpers are methods that make it easier to write page templates
Controller is the logical center of your application. The controller is a class that is initially generated by rails methods map to actions and are logically connected to views. Controller class variables are accessible to views, controller sets the variable and then views use the variable, it is also responsible for caching, routing and session management.
For this final project component, you will use the skills you gained in this unit's study activities to implement a Best Buy store locator application for Smart Homes using the Ruby language and the Rails framework. The Ruby on Rails Store Locator requirements are the following:
The Web application must use Best Buy's BBYOpen API. The Web application must contain the following two user interfaces: The application must
start with a Web page that allows the user to enter a zip code and a desired search radius in miles. Once the required data has been entered by the user, there should be a submit button to execute the search request. Upon submitting the search request, the user should be presented with a Web page that contains a table of stores nearest to that location. As an option, you may choose any mapping Web service (such as Google Maps) to display the search results onto a map. Your completed Ruby on Rails Store Locator solution should do the following: Demonstrate your ability to implement a non-trivial Web application using the Ruby programming language and Rails framework. Demonstrate your ability to integrate third-party application programming interfaces
to communicate with a Web service. Demonstrate your ability to implement a user interface that accepts user input without error.
Ruby on Rails: An Introduction, Rails with Active Record and Action Pack, Active Record, Deep Dive into Active Record, Action Pack, Security and Nested Resources in Action Pack
Ruby on Rails Web Services and Integration with MongoDB, MongoDB, MongoDB-Ruby API, and CRUD, Aggregation Framework, Performance, and Advanced MongoDB, Mongoid, Web Services, Single Page Web Applications with AngularJS, AngularJS, Filters, Digest Cycle, Controller Inheritance, and Custom Services, Promises, Ajax, and Custom Directives, Components, Events, Modules, and Routing, Form Validation, Testing, and Restaurant Site Development