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Ruby On Rails Interview Questions and Answers

Ques 46. HOW CAN YOU GENERATE SITEMAPS FOR YOUR RAILS SITE?

You can use dynamic_sitemaps gem to generate sitemaps.

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Ques 47. HOW CAN YOU SHOW SEARCH USER FRIENDLY URLS INSTEAD OF USING ONLY NUMERIC IDS in Ruby on Rails?

The simplest way to do this is to use the gem FriendlyID.

It gives you the ability to specify a friendly URL for pages so that instead of the standard page URLs like:

http://mysite.com/page/1

You can build pages such as:

http://mysite.com/page/my-awesome-page-about-articles-and-content

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Ques 48. HOW CAN YOU CREATE PAGE TITLES AND METADATA FOR YOUR PAGES in Ruby on Rails?

You can use the Headliner plugin for adding page titles.

You can use the MetaMagic plugin to add meta tags.

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Ques 49. HOW CAN YOU CREATE BREADCRUMBS ON YOUR PAGES in Ruby on Rails?

Gretel is a great plugin to introduce breadcrumbs in your Rails application.

Another very simple implementation is breadcrumb_on_rails.

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Ques 50. Is Rails Scalable?

Yes Rails gives you complete freedom to use all traditional means of scaling an application. Things like memcached, caching full pages, caching fragments are all supported. 

You can use any standard CDN to serve your media and static content as well. 

Database scaling using sharding is supported. 

Finally heroku makes your life easier by giving you the flexibility to scale up/down based on your need. Mostly websites have a peak time during which you need more servers and then there is a sleep time. Heroku makes that on-demand scaling process simpler. Companies such as HireFireApp.com makes the autoscale process easier.

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