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Navigation doesn t have to be just forward and backward. You can also do some slightly more complex things, either during setup or at runtime. At setup, you can create a navigational hierarchy and push a user into it before they take any actions. You can see this in action in various iPhone programs. Mail always returns you to the last mailbox you were at, whereas Contacts always gives you a Back button to return to the Groups page. You can do fancy things during runtime using three navigation controller methods: popToRootViewCon- Figure 7.7 With a few simple trollerAnimated: (which brings you back to the top of commands, a navigation your stack), popToViewController:animated: (which controller s setup is largely automated. Here you see the returns you to a specific view controller), and popView- titled navigation bar with a titled ControllerAnimated: (which pops the top controller Back button. off the stack). They re powerful, although you have to take care when changing the standard navigation paradigm so you don t confuse your users. But, for example, you could place a UIBarButtonItem in your nav bar that returns you to home from deep in your hierarchy. Alternatively, you might pop the top page automatically after a user takes some action on the page that concludes its usefulness.

Query q = session.createQuery("select i from Item i join i.bids b"); Iterator items = q.list().iterator(); while ( items.hasNext() ) { Item item = (Item) items.next(); }

container, you can again utilize automatic dependency injection to get an EntityManagerFactory:

public class DOMExampleBridge implements FieldBridge { public void set( String name, Implement FieldBridge Object value, set method Document document, LuceneOptions options ) {

Note that the height of the final row is extended to the bottom margin of the page in figure 4.6. This isn t a cell property; it s something that has to be defined at the table level with the setExtendLastRow() method. The setExtendLastRow() method exists in two versions. In listing 4.11, you use one Boolean to tell iText whether the row should be extended (true) or not (false). With a second Boolean, you can indicate whether the final row of the table has to be extended if the table is split and distributed over different pages.

hibernate.connection.datasource = java:/comp/env/jdbc/AuctionDB hibernate.transaction.factory_class = \ net.sf.hibernate.transaction.JTATransactionFactory hibernate.transaction.manager_lookup_class = \ net.sf.hibernate.transaction.JBossTransactionManagerLookup hibernate.dialect = net.sf.hibernate.dialect.PostgreSQLDialect hibernate.session_factory_name = hibernate/HibernateFactory hibernate.jndi.class = com.sun.jndi.fscontext.RefFSContextFactory hibernate.jndi.url = file:/auction/jndi

Dog milo = new Dog("Milo") { weight = 5 };

We don t like to see HQL or JPA QL string literals scattered all over the Java code, unless really necessary. Hibernate lets you externalize query strings to the mapping metadata, a technique that is called named queries. This lets you store all que-

In 20, we discussed the web services styles supported in EJB 3.1. You can customize the web services style that the EJB endpoint uses with the @javax.jws.soap.SOAPBinding annotation:

There are a few more calculations for the size of each label, followed by a double loop (for both rows and columns of labels) that does the actual printing of the label boundaries (detail calculations omitted for brevity).

Example 10-7 shows how we format a decimal as a currency value, using an overload of the standard ToString method.

; for 16-bit app support [fonts] [extensions] [mci extensions] [files] [Mail] MAPI=1 [CDWINSETUP] AUTOUNLOAD=No [MSUCE] Advanced=0 CodePage=Unicode Font=Arial

static void Main(string[] args) { Turtle arthurTheTurtle = new Turtle { PlatformWidth = 0.0, PlatformHeight = 10.0, MotorSpeed = 5.0 }; ShowPosition(arthurTheTurtle); try {

return passwordHome; } catch (NamingException ne) { return null; } }