Ruby and MongoDB web development beginner's guide : create dynamic web applications by combining the power of Ruby and MongoDB / Gautam Rege.

"Learn by doing : less theory, more results."

Includes index.

Cover; Copyright; Credits; About the Author; Acknowledgement; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Installing MongoDB and Ruby; Installing Ruby; Using RVM on Linux or Mac OS; The RVM games; The Windows saga; Using rbenv for installing Ruby; Installing MongoDB; Configuring the MongoDB server; Starting MongoDB; Stopping MongoDB; The MongoDB CLI; Understanding JavaScript Object Notation (JSON); Connecting to MongoDB using Mongo; Saving information; Retrieving information; Deleting information; Exporting information using mongoexport

Importing data using mongoimportManaging backup and restore using mongodump and mongorestore; Saving large files using mongofiles; bsondump; Installing Rails/Sinatra; Summary; Chapter 2: Diving Deep into MongoDB; Creating documents; Time for action -- creating our first document; NoSQL scores over SQL databases; Using MongoDB embedded documents; Time for action -- embedding reviews and votes; Fetching embedded objects; Using MongoDB document relationships; Time for action -- creating document relations; Comparing MongoDB versus SQL syntax; Using Map/Reduce instead of join

Understanding functional programmingBuilding the map function; Time for action -- writing the map function for calculating vote statistics; Building the reduce function; Time for action -- writing the reduce function to process emitted information; Understanding the Ruby perspective; Setting up Rails and MongoDB; Time for action -- creating the project; Understanding the Rails basics; Using Bundler; Why do we need the Bundler; Setting up Sodibee; Time for action -- start your engines; Setting up Mongoid; Time for action -- configuring Mongoid; Building the models

Time for action -- planning the object schemaTesting from the Rails console; Time for action -- putting it all together; Understanding many-to-many relationships in MongoDB; Using embedded documents; Time for action -- adding reviews to books; Choosing whether to embed or not to embed; Time for action -- embedding Lease and Purchase models; Working with Map/Reduce; Time for action -- writing the map function to calculate ratings; Time for action -- writing the reduce function to process the emitted results; Using Map/Reduce together; Time for action -- working with Map/Reduce using Ruby; Summary

Chapter 3: MongoDB InternalsUnderstanding Binary JSON; Fetching and traversing data; Manipulating data; What is ObjectId?; Documents and collections; Capped collections; Dates in MongoDB; JavaScript and MongoDB; Time for action -- writing our own custom functions in MongoDB; Ensuring write consistency or ""read your writes""; How does MongoDB use its memory-mapped storage engine?; Advantages of write-ahead journaling; Global write lock; Transactional support in MongoDB; Understanding embedded documents and atomic updates; Implementing optimistic locking in MongoDB

Time for action -- implementing optimistic locking

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English.

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