By Mike Clark
From the writer of the imperative Rails Recipes , and with assistance from a brand new grasp Rails chef within the kitchen, listed here 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 net 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 innovations so that you can carry your gorgeous net app speedier and more straightforward.
builders by means of the hundreds of thousands are coming to Rails-the merits are transparent, either to participants and their firms.
yet how can a developer be anticipated to jot down idiomatic, powerful Rails code whilst 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 higher strategy to research from their event than to examine their code and browse their motives of why it really is written that method? or even higher think if that code might be lifted and positioned correct into your individual program.
this can be higher than simply cut-and-paste: the recipe layout potential you are going to comprehend the code, and be ready to adjust it to fit your wishes. And the record of recipes is so vast that you are guaranteed to locate information and methods the place you are going to say "Oh! that is how they do that," or, "I did not be aware of you'll do this in Rails."
With extra Rails Recipes , a following as much as the preferred unique Rails Recipes , you could prepare dinner up a storm.
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Additional resources for Advanced Rails Recipes
Being agile authors, let’s imagine we have the following interface for submitting book errata: If an author is logged in, he sees a checkbox for marking each erratum as being fixed. ) When he checks off an erratum, we want to update the Errata resource’s fixed attribute. Rather than creating a new controller action just for this case, instead we can piggyback on the standard update action in our ErrataController. First, we need to modify the checkbox part of each row in the list of errata to call a toggle_value helper via an onclick handler.
Rb file, we’ll end up with a permanent record. List all the FourOhFour records somewhere on the admin side of your app, and you have yourself a convenient 404 report. 44 7. C ATCH A LL 404 S Discussion You could also use the catchall route to actually handle requests that don’t map to a specific action. Say, for example, you have a database table that stores “pages”: a URL path and the content to display when that URL is accessed. You might even be calling this a content management system (CMS).
Incrementing the count gives us some indication of the 404 URL’s popularity. rb file, we’ll end up with a permanent record. List all the FourOhFour records somewhere on the admin side of your app, and you have yourself a convenient 404 report. 44 7. C ATCH A LL 404 S Discussion You could also use the catchall route to actually handle requests that don’t map to a specific action. Say, for example, you have a database table that stores “pages”: a URL path and the content to display when that URL is accessed.