Object Oriented Software Design

Advanced Rails Recipes - download pdf or read online

By Mike Clark

ISBN-10: 0978739221

ISBN-13: 9780978739225

From the writer of the necessary Rails Recipes , and with the aid of a brand new grasp Rails chef within the kitchen, listed below are seventy two new how one can kick your Ruby on Rails apps up a notch. extra Rails Recipes is a suite of sensible recipes for dressing up your net software with little fuss. you are going to learn the way the professionals have solved the harsh difficulties utilizing the main state of the art Rails recommendations so that you can convey your wonderful internet app speedier and more straightforward.

builders by means of the hundreds of thousands are coming to Rails-the advantages are transparent, either to participants and their enterprises.

yet how can a developer be anticipated to jot down idiomatic, potent Rails code whilst the know-how is so new? the answer's to paintings along masters, humans who have been there from the beginning (and who've the scars to end up it). And, what greater option to research from their adventure than to examine their code and browse their causes of why it really is written that approach? or even greater think if that code may be lifted and positioned correct into your personal software.

this is often greater than simply cut-and-paste: the recipe structure skill you are going to comprehend the code, and manage to alter it to fit your wishes. And the checklist of recipes is so vast that you are sure to locate suggestions and strategies the place you are going to say "Oh! that is how they do that," or, "I did not comprehend you'll 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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Additional info for Advanced Rails Recipes

Sample text

40 6. title %> (<%= link_to 'Download', formatted_mp3_url(@mp3, :mp3) %> | <%= link_to 'Stream', formatted_mp3_url(@mp3, :m3u) %>)

The formatted_mp3_url route helper takes the MP3 resource and the name of the format. rb file when we registered our MIME types. The route helpers take care of setting the appropriate format, which gets picked up by our respond_to block in the show action. This is a good start, but let’s take it a step further. Right now we’re streaming files one by one. That’s not always convenient.

Write queries end end end The trace_sql method simply dumps the SQL statements in our queries class variable into a file after the block has finished. sql file: SET NAMES 'utf8' SET SQL_AUTO_IS_NULL=0 BEGIN SELECT * FROM `orders` INSERT INTO `orders` (`city`, `name`, `updated_at`, `country`, `total`, `created_at`) VALUES(NULL, NULL, '2007-12-14 07:22:45' , NULL, NULL, '2007-12-14 07:22:45' ) Now we have an automated way to generate SQL statements from a tested use case. The only manual step is slurping this file into our SQL benchmarking tools.

In this case, there is no browser. So, how do we authenticate this client program? The Web already has the answer: HTTP basic authentication. site = "http://mike:secret@localhost:3000" end This slips the encoded login and password into the HTTP headers sent by the client to our Rails application. Note that because we’re using the HTTP protocol, the encoded login and password will be sent in plain 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.

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Advanced Rails Recipes by Mike Clark


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