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Admittedly the example in listing 8.16 breaks a valuable rule of stored procedures: we did not use parameter binding, which would prevent SQL injection and increase performance. Given that, we would not have reduced our complexity but would have increased it. So, is avoiding complexity always the rule by which we live Of course not! But in the case of Dynamic SQL we would be hard pressed to arrive at a reason for performing this in a stored procedure. Two of the major reasons why we use stored procedures are security and performance, neither of which is applicable when it comes to Dynamic SQL. Using parameterized SQL on either the Java side or the stored procedure side will provide an equivalent level of performance and security. When we shift our attention to legibility and maintainability, we may become a bit discouraged. This procedure is

Creating the connection to the database is a resource-intensive task. Connection pooling reuses connections instead of creating a new connection each time. In order for connection pooling to work its performance magic, the connection string must match exactly. This includes the login. In order to benefit from connection pooling with your reports, you need to do two things.

and address data. With the EJB 2.0 specification release, entity beans can model one-to-one data relationships. Creating entity relationships requires you to follow specific configuration and coding rules detailed by the EJB specification.

public class User { private string firstname; private string lastname; //... public string Name { get { return firstname + ' ' + lastname; } set { string[] names = value.Split(' '); firstname = names[0]; lastname = names[1]; } ) //... }

[[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(deviceDidRotate:) name:@"UIDeviceOrientationDidChangeNotification" object:nil];

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Singletons are classes with a single instance. They are usually objects that provide an object-oriented interface to a single, often global, facility or resource. A class that manages a cache of database objects would want to create a single per-process instance of itself so that it could coordinate all of the object caching for the entire application. A class that provides file management methods could create a singleton object that all other classes would use to interact with the file system. The latter could also be implemented by defining a class that consists of nothing but class methods, but that pattern is unusual in Objective-C. Singleton objects are typically created by an idempotent class method or C function that s responsible for creating and maintaining the single instance of the class. This is essentially a specialized factory method, described in 22. Like factory methods, singletons can be implemented using class methods or a degenerate variation of a class cluster.

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The priority system is based on a scale from 0 to 31, with 31 being the highest. To change the priority of a thread, we use the ThreadPriority property on the instance of the Thread class. For example, if we have an instance of the Thread class called WorkingThread, we can change its priority to AboveNormal by using the following statement:

AppWidget 477 deployment descriptors 24 animations Android supports four types 97 ball as a sprite 230 creating programmatically 230 creating with Graphical API 227 233 frame-by-frame 227 ANR 81 AOSP 8 Apache 10 commons.io package 144 HttpClient 169 ResponseHandler 171 Apache Software License. See ASL API dummy request 413 linkedin-j 408 API key, LinkedIn APIs 393 Apple 7 AppStore 9 application distribution, Android vs. iPhone 9 Application Layer 162 Application Not Responding. See ANR Application, pass state between activities 70 applications distribution beyond Market 548 getting to Market 545 hybrid, building 440 made for mobile 430 link to full site 431 simplify, reduce, and eliminate 431 manifest 157 mapping to processes 25 preparing for distribution 538 541 AppWidget configuring 476 data elements 465 data handling 465 468 deployment patterns 458 metadata file 477 updating 480 487 AppWidgetHost 456 AppWidgetProvider 469 473 argc 349

In order to prevent ad hoc plans from bloating the procedure cache, some DBAs manually execute (or schedule) the DBCC FREEPROCCACHE command, which empties the procedure cache. Often seen as a hack, not only does this throw out the bad plans, it also throws out the good (and possibly expensive) plans with high reuse from all databases in the instance. Two alternatives to this method are running DBCC FLUSHPROCINDB (which removes plans only for a specified database) and DBCC FREESYSTEMCACHE('SQL Plans'), which clears out the ad hoc and prepared plans, leaving stored procedure plans in place.

If at some later stage in the program s execution new information becomes available, we could assign a new value into the kmPerHour variable assignment statements aren t required to declare new variables, and can assign into existing ones:

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