By Gautam Rege

Create dynamic net purposes by way of combining the facility of Ruby and MongoDB

Overview
* step by step directions and useful examples to making net functions with Ruby and MongoDB
* discover ways to layout the article version in a NoSQL way
* Create gadgets in Ruby and map them to MongoDB

In Detail

MongoDB is a high-performance, open resource, schema-free document-oriented database. Ruby is an item- orientated scripting language. Ruby and MongoDB are an incredible partnership for development scalable internet applications.

Ruby and MongoDB internet improvement Beginner's advisor is a fast paced, hands-on advisor to start with internet software improvement utilizing Ruby and MongoDB. The ebook follows a pragmatic technique, utilizing transparent and step by step directions and examples in Ruby to illustrate program improvement utilizing MongoDB.

The e-book starts off through introducing the techniques of MongoDB. The booklet teaches every thing correct from the set up to making items, MongoDB internals, queries and Ruby facts Mappers.

You will the best way to use a variety of Ruby info mappers like Mongoid and MongoMapper to map Ruby gadgets to MongoDB documents.

You will research MongoDB positive factors and care for geo-spatial indexing with MongoDB and Scaling MongoDB.

With its insurance of strategies and sensible examples, Ruby and MongoDB internet improvement Beginner's consultant is the suitable selection for Ruby builders to start with constructing web pages with MongoDB because the database.

What you'll research from this book
* Get MongoDB and Ruby up and operating in your desktop (Windows/Mac/Linux)
* Leverage MongoDB to construct hugely scalable data-centric functions
* Leverage MongoDB replication to make sure excessive availability and reliability
* Create your first item and put it aside to MongoDB
* Create a Ruby item and map it to MongoDB document
* technique huge datasets with MapReduce
* Create geo-spatial indexes or 2nd indexes
* know about Mongoid and MongoMapper for mapping Ruby gadgets to MongoDB documents

Approach

This booklet is full of step by step directions and functional examples, besides accompanying screenshots and code for a simple studying curve. the wishes of a newbie are absolutely happy via the book.

Who this publication is written for

This booklet assumes that you're skilled in Ruby improvement talents - Ruby, HTML, CSS. Having wisdom of utilizing NoSQL may also help you get throughout the innovations faster, however it isn't really needed. No past wisdom of MongoDB required.

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Why will we want the Bundler within the "olden" days, while every thing used to be a process install, issues will be operating easily until an individual upgraded a approach library or a gem... after which Kaboom! the appliance crashed for no obvious cause and no code swap. a few libraries holiday compatibility, which in flip calls for us to put in the recent gemstones. So, whether a procedure administrator upgraded the process (as a regimen upkeep activity), our Ruby software used to be susceptible to crashes. a much bigger challenge arose once we have been required to put in a number of Ruby purposes at the similar method. Ruby model, Rails model, gem types, and method libraries all may in all likelihood conflict to make improvement and deployment a nightmare! One resolution used to be to freeze gem stones and the Ruby model. This required us to send every thing into our program package deal. not just was once this inefficient but additionally elevated the scale of the package deal. Then got here alongside Bundler and, because the identify indicates, it retains music of dependencies in a Ruby program. Java has an analogous package deal referred to as Maven. yet wait! Bundler has extra in shop. we will be able to now package deal gem stones (via a Gemfile) and specify environments with it. So, if we require a few gemstones just for trying out, it may be detailed to be part of basically the "test" team. If that is not bought you over utilizing Bundler, we will specify the resource of the gem documents too — github, sourceforge or perhaps a gem in our neighborhood dossier approach. Bundler generates Gemfile. lock that manages the gem dependencies for the applying. It makes use of the system-installed gem stones; in order that we do not have to freeze gem stones or Ruby models with each one software. constructing Sodibee Now that we have got put in Rails and Bundler, it is time to organize the Sodibee venture. Time for motion — begin your engines Now we will create the Sodibee venture in Rails three. it may be performed utilizing the next command: $ rails new sodibee –JO within the past command, -J potential skip-prototype (and use jQuery as a substitute) and -O capacity skip-activerecord. this can be very important, as we wish to use MongoDB. upload the next to Gemfile: gem 'mongoid' gem 'bson' gem 'bson_ext' Now on command line, sort the next: $ package set up In Rails three. 2. 1 loads of automation has been additional. package set up is a part of the method of making a undertaking. What simply occurred? the former command: package set up fetches lacking gemstones, their dependencies, and installs them. It then generates Gemfile. lock. After package deal set up is whole, you are going to see the subsequent at the monitor: $ package set up Fetching resource index for http://rubygems. org/ utilizing rake (0. nine. 2) utilizing summary (1. zero. zero) utilizing activesupport (3. 2. zero) utilizing builder (2. 1. 2) utilizing i18n (0. five. zero) utilizing activemodel (3. 2. zero) utilizing erubis (2. 6. 6) utilizing rack (1. 2. four) utilizing rack-mount (0. 6. 14) utilizing rack-test (0. five. 7) fitting tzinfo (0. three. 30) utilizing actionpack (3. 2. zero) utilizing mime-types (1. sixteen) utilizing polyglot (0. three. 2) utilizing treetop (1. four. 10) utilizing mail (2. 2. 19) utilizing actionmailer (3. 2. zero) utilizing arel (2. zero. 10) utilizing activerecord (3.

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