Download e-book for kindle: Advanced Rails Recipes by Mike Clark

By Mike Clark

ISBN-10: 0978739221

ISBN-13: 9780978739225

From the writer of the crucial Rails Recipes , and with the aid of a brand new grasp Rails chef within the kitchen, listed below are seventy two new how you can kick your Ruby on Rails apps up a notch. extra Rails Recipes is a suite of useful recipes for dressing up your internet program with little fuss. you are going to find out how the professionals have solved the harsh difficulties utilizing the main state of the art Rails options so that you can carry your attractive net app faster and more straightforward.

builders via the hundreds of thousands are coming to Rails-the advantages are transparent, either to contributors and their businesses.

yet how can a developer be anticipated to put in writing idiomatic, potent Rails code while the expertise is so new? the answer's to paintings along masters, humans who have been there from the beginning (and who've the scars to turn out it). And, what greater approach to study from their event than to examine their code and skim their factors of why it is written that manner? or even greater think if that code may be lifted and put correct into your personal software.

this can be larger than simply cut-and-paste: the recipe structure ability you will comprehend the code, and manage to alter it to fit your wishes. And the record of recipes is so large that you are guaranteed to locate advice and strategies the place you will say "Oh! that is how they do that," or, "I did not recognize you may do this in Rails."

With extra Rails Recipes , a following as much as the preferred unique Rails Recipes , you could cook dinner up a storm.

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Example text

This isn’t a big deal when we’re talking to a local app in development mode. However, it’s a huge deal if we’re talking to our production app. The login and password will travel across the ’net in plain-text form, and any hacker worth his salt can decode this over lunch. So, don’t forget to use the HTTPS protocol in production! While we’re talking about security, let’s go ahead and use the HighLine2 library to prompt for a login and password, rather than hard-coding them in our client. map(&:name) 2.

Rb def login_required unless session[:user_id] flash[:notice] = "Please log in" redirect_to new_session_url end end If there’s a user ID in the session, we know the user is logged in. If she isn’t logged in, we redirect her to the login form. OK, now we can log in via a browser in a RESTful way. So far, so good. But that’s just one side of the coin. Remember that our resources can also represent themselves as XML, for example. ) And let’s say we have 1. Run rake routes for a peek at the RESTful routes.

Js stanza to the respond_to block in the update action. js { head :ok } 31 4. js { head :unprocessable_entity } end end end With a JavaScript request, all the browser needs to know is that the request was successful so it can turn off the spinning image. If the update succeeds, we use head :ok to return an HTTP 200 response. If the update fails, we use head :unprocessable_entity to return an HTTP 422 response. This works well when you’re toggling attributes with Ajax, because you don’t care about the response.

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Advanced Rails Recipes by Mike Clark

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