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Create a MongoDb cluster that will grow to meet the needs of your application. With this short and concise book, you'll get guidelines for setting up and using clusters to store a large volume of data, and learn how to access the data efficiently. In the process, you'll understand how to make your application work with a distributed database system. Scaling MongoDb will help you: Set up a MongoDb cluster through sharding Work with a cluster to query and update data Operate, monitor, and backup your cluster Plan your application to deal with outages By following the advice in this book, you'll be well on your way to building and running an efficient, predictable distributed system using MongoDb....

If you want to use CouchDb to support real-world applications, you'll need to create MapReduce views that let you query this document-oriented database for meaningful data. With this short and concise ebook, you'll learn how to create a variety of MapReduce views to help you query and aggregate data in CouchDb#8217;s large, distributed datasets. You'll get step-by-step instructions and lots of sample code to create and explore several MapReduce views through the course of the book, using an example database you construct. To work with these different views, you#8217;ll learn how to use the Futon web administration console and the cUrl command line tool that come with CouchDb.Learn how the Map and Reduce steps work independently and together to index ...

You can build a variety of amazing apps on the iOS platformand every one of them presents a unique set of problems. With the recipes in this cookbook, you'll go beyond theory to solve the vexing, real-life issues you're likely to face when creating apps for the iPhone, iPad, or iPod Touch. Each recipe provides a clear solution and sample code that you can use right away. You'll find solutions for working with development frameworks in iOS SDK 4 and technologies such as Cocoa, Objective-C, Xcode, and Interface Builder. Whether you have a little or a lot of experience with iOS development, you'll find the help you need for every phase of the process, from initial idea to completed project.Work with Objective-C classes, objects, properties, delegates, a...

If your web application's success depends on how quickly and easily users can make transactions, then PayPal is a solution you can't afford to overlook. This book helps you determine which PayPal option is best for your situation, and provides step-by-step instructions for implementing the payment method you choose#8212;whether you're accepting money via the Web or mobile devices for products and services, donations, or anything else. You'll find sample code written primarily in Php and Objective-C, as well as use cases for executing options with PayPal's Api. By the end of this book, you'll have a clear understanding of PayPal and how you can get the most out of its powerful features, no matter how much Api programming experience you have.Learn how ...