Download Getting Started with Grails by Jason Rudolph PDF

By Jason Rudolph

I began interpreting this publication round 4pm one afternoon, and that i didnt cease till 3am the subsequent morning. I by no means knew Grails used to be so cool! i used to be specially excited simply because I had simply comprehensive a undertaking utilizing Struts 1.3. What a nightmare that used to be, and what a dream come precise Grails is. i actually loved this e-book. i believe it is a significant advent. it truly is brief, so i believe i will have to get one other booklet ahead of i am able to begin my very own Grails undertaking. I additionally agree that the ebook wishes a bit replace because it used to be written for Grails model 0.3.1, and the newest model of Grails is 1.4.61.

If you are new to Grails, and also you are fascinated with what it truly is, and what it may possibly do, this can be a nice publication. He leads you thru a pattern software and he exhibits you ways to outline the database tables and the joins among them, find out how to alter the generated jsps, how you can use the Grails tag lib, the way to create your personal tag, the best way to create Hibernate standards gadgets on your venture for looking out, the way to insert your personal CSS dossier, tips on how to combine with Java pojos... every kind of stuff. this can be a great spot firstly Grails.

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The property maxRunners maps to the max_runners column). • The id column is used as the primary key for each table and it’s defined as an auto_increment column, thus allowing Grails to rely on the database to auto-generate unique IDs for new records. • For one-to-many relationships, the child table will include a column to hold the ID of the parent record. The column is named using the name of the parent 24 | GETTING STARTED WITH GRAILS domain class – in this case, Race – and declares a foreign key constraint referring back to the parent table.

Each tag is defined as a closure, and the closure receives a map containing the tag attributes as an argument at runtime. Let’s define a new Groovy class for our application’s custom tags. groovy and place it in the racetrack/grails-app/taglib directory. class RaceTrackTagLib { /** * Outputs the given Date object in the * specified format. If the date is not given, * then the current date/time is used. If the * format option is not given, then the date is * output using the default format.

Gsp, and remove the ID column. id}"> Show

Now, when we view the Race List page, we see only the data that matters to our users. IMPROVING THE USER EXPERIENCE | 47 Record IDs also appear on the Show Race page, the Edit Race page, and the analogous pages for managing registrations. We’ll want to track down and remove the IDs from those pages as well. Formatting Data There’s just no denying that the application could benefit from more appropriate data formatting.

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