New PDF release: Advanced Rails

By Brad Ediger

ISBN-10: 0596510322

ISBN-13: 9780596510329

Ready to visit the subsequent point with Rails? From interpreting the elements of Ruby that make this framework attainable to deploying huge Rails purposes, Advanced Rails provides you with an in-depth examine options for facing databases, safety, functionality, net providers and masses more.

Chapters during this booklet assist you comprehend not just the methods and strategies used in the Rails framework itself, but additionally how you can utilize rules borrowed from different programming paradigms. Advanced Rails can pay specific cognizance to construction functions that scale -- no matter if "scale" skill dealing with extra clients, or operating with a much bigger and extra complicated database. You'll locate lots of examples and code samples that explain:

* points of Ruby which are frequently complicated or misunderstood
* Metaprogramming
* find out how to boost Rails plug-ins
* varied database administration systems
* complicated database beneficial properties, together with triggers, principles, and kept procedures
* how one can hook up with a number of databases
* whilst to take advantage of the energetic aid library for everyday, reusable functions
* safety rules for net software layout, and safeguard concerns endemic to the Web
* whilst and whilst to not optimize performance
* Why model regulate and factor monitoring structures are necessary to any huge or long-lived Rails project
Advanced Rails additionally promises a glance at relaxation for constructing net companies, how you can include and expand Rails, find out how to use internationalization, and lots of different subject matters. If you're simply beginning out with rails, or in simple terms experimenting with the framework, this publication isn't for you. but when you need to increase your talents with Rails via complicated thoughts, this e-book is vital.

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Sample text

Market researchers commonly create audience segments based on demographic criteria: gender, age, education level, marital status, income, and so on. These demographic profiles can be quite general (men 18–49) or very specific (unmarried, college-educated women 25–34 making over $50,000 a year). 44 CHAPTER 3 THE STRATEGY PLANE Demographics aren’t the only way you can look at your users. Psychographic profiles describe the attitudes and perceptions that your users have about the world or about the subject matter of your site in particular.

The second question addresses user needs, objectives imposed on the product from outside. Together, product objectives and user needs form the strategy plane, the foundation for every decision in our process as we design the user experience. Yet, amazingly, many user experience projects do not begin with a clear, explicit understanding of the underlying strategy. THE ELEMENTS OF USER EXPERIENCE The key word here is explicit. The more clearly we can articulate exactly what we want, and exactly what others want from us, the more precisely we can adjust our choices to meet these goals.

Probably not. And in the long run, it will show: As your users get frustrated and decide not to come back, your impressions will drop from that initial high and will probably end up lower than they were when you started. THE ELEMENTS OF USER EXPERIENCE Not all success metrics have to be derived directly from your site. You can measure the indirect effects of the site as well. If your site provides solutions to common problems people encounter with your product, the number of phone calls coming into your customer support lines should go down.

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Advanced Rails by Brad Ediger

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