Advanced Rails - download pdf or read online

By Brad Ediger

ISBN-10: 0596510322

ISBN-13: 9780596510329

Ready to visit the subsequent point with Rails? From reading the components of Ruby that make this framework attainable to deploying huge Rails purposes, Advanced Rails provides you with an in-depth examine thoughts for facing databases, defense, functionality, net companies and masses more.

Chapters during this publication assist you comprehend not just the methods and strategies used in the Rails framework itself, but in addition how you can utilize rules borrowed from different programming paradigms. Advanced Rails will pay specific consciousness to development purposes that scale -- no matter if "scale" potential dealing with extra clients, or operating with an even bigger and extra advanced database. You'll locate lots of examples and code samples that explain:

* elements of Ruby which are frequently complicated or misunderstood
* Metaprogramming
* tips on how to increase Rails plug-ins
* various database administration systems
* complicated database positive aspects, together with triggers, principles, and saved procedures
* find out how to hook up with a number of databases
* whilst to take advantage of the energetic help library for established, reusable functions
* protection ideas for net program layout, and defense matters endemic to the Web
* whilst and while to not optimize performance
* Why model keep watch over and factor monitoring platforms are necessary to any huge or long-lived Rails project
Advanced Rails additionally delivers a glance at leisure for constructing net providers, how one can comprise and expand Rails, how you can use internationalization, and lots of different subject matters. If you're simply beginning out with rails, or basically experimenting with the framework, this booklet isn't really for you. but when you need to increase your talents with Rails via complicated options, this publication is key.

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Extra resources for Advanced Rails

Example text

This prevents the components from being cached so that you can run the test repeatedly and get the same experience each time (I also add a unique timestamp to each component’s URL to further prevent caching). In order to reduce the variables in this test, I specify last=0 to remove the Last-Modified header from the response. The image request has a two-second delay (sleep=2), while the stylesheet is delayed only one second (sleep=1). This ensures that any delay seen is not due to the stylesheet’s response time, but instead to its blocking behavior (which is what the page is testing).

This latter advantage should not be underestimated and is one reason for recommending a graphic progress bar instead of just stating the expected remaining time in numbers. In our case the HTML page is the progress indicator. When the browser loads the page progressively, the header, the navigation bar, the logo at the top, etc. all serve as visual feedback for the user who is waiting for the page. This improves the overall user experience. The problem with putting stylesheets near the bottom of the document is that it prohibits progressive rendering in many browsers.

Akamai Technologies, Inc. is the industry leader. In 2005, Akamai acquired Speedera Networks, the primary low-cost alternative. Mirror Image Internet, Inc. is now the leading alternative to Akamai. Limelight Networks, Inc. is another competitor. , specialize in niche markets such as video content delivery. S. and the CDN service providers they use. Table 2-1. com You can see that: • Five use Akamai • One uses Mirror Image • One uses Limelight • One uses SAVVIS • Four either don’t use a CDN or use a homegrown CDN solution Content Delivery Networks | 19 Smaller and noncommercial web sites might not be able to afford the cost of these CDN services.

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Advanced Rails by Brad Ediger

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