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Finalization is a mechanism offered by the CLR that allows an object to perform some graceful cleanup prior to the garbage collector reclaiming the object s memory . Any type that wraps a native resource, such as a file, network connection, socket, mutex, or other type, must support finalization . Basically, the type implements a method named Finalize . When the garbage collector determines that an object is garbage, it calls the object s Finalize method (if it exists) . I think of it this way: Any type that implements the Finalize method is in effect stating that all of its objects want a last meal before they are killed . Microsoft s C# team felt that Finalize methods were a special kind of method requiring special syntax in the programming language (similar to how C# requires special syntax to define a constructor) . So, in C#, you must define a Finalize method by placing a tilde symbol (~) in front of the class name, as shown in the following code sample:

For example, SQL Server tells the CLR what to do should an unhandled exception be thrown while the CLR is executing managed code When a thread experiences an unhandled exception, the CLR first attempts to upgrade the exception to a graceful thread abort If the thread does not abort in a specified time period, the CLR attempts to upgrade the graceful thread abort to a rude thread abort What I just described is what usually happens However, if the thread experiencing the unhandled exception is in a critical region, the policy is different A thread that is in a critical region is a thread that has entered a thread synchronization lock that must be released by the same thread, for example, a thread that has called MonitorEnter, Mutex s WaitOne, or one of ReaderWriterLock s AcquireReaderLock or AcquireWriterLock methods .

In addition to supporting inline code (that is, including executable code directly inside a server-side script block), modern ASP .NET offers two other distinct options for managing code: ASP .NET 1 .x code behind, and modern ASP .NET code beside . ASP .NET supports code behind for backward compatibility . Code beside is the style employed by Visual Studio 2010 . The following subsections look at these .

FileStream(string path, FileMode mode, FileAccesss access);

6 Successfully waiting for an AutoResetEvent, ManualResetEvent, or Semaphore doesn t cause the thread to be in a critical region because another thread can signal these synchronization objects When a thread is in a critical region, the CLR believes that the thread is.

In addition to setting properties for individual printers by using their properties dialog boxes, you can set other properties by visiting the Print Server Properties dialog box. To get there, right-click a blank area of the Printers folder and then choose Run As Administrator, Server Properties. The first three tabs control the list of items you see in the properties dialog box for a printer:

Install the application to the software distribution point using an administrative setup command or by manually copying the setup les, as discussed in the section titled Creating a Software Distribution Point earlier in this chapter. Open the Group Policy Management console from the Administrative Tools menu. Right-click the GPO you created for application deployment and select Edit to open the Group Policy Management Editor. Select either User Con guration or Computer Con guration, expand Policies, and then expand Software Settings. Right-click Software Installation, choose New, and then choose Package, as shown in Figure 20-17.

The Windows Server 2003 Routing And Remote Access service has an extensive tracing capability you can use to troubleshoot complex network problems. You can enable the components in Windows Server 2003 to log tracing information to files by using the netsh command or through the registry.

This code causes the row for employee D to keep moving between the two index leaf pages. Run the following code in Connection 2:

The information about projects and activities repeats for each employee. We could avoid this problem if we allow multivalued columns, as shown in Table 3-13.

Blogs (or weblogs ) are frequently updated journal-style web pages where content is displayed in reverse time order (the most recently posted content is at the top of the front page). Blogs have become important places to go for the latest Ruby news, and the thoughts and latest projects of developers in the Ruby community.

If there is an existing connection, click Disconnect to break the current connection. Then, click Create A Connection To A Consumer, select the consumer, and click Connect, as shown in Figure 5-14.

Note that the rule ties the filter list and the filter action and selects the authentica tion method. If no authentication method is specified, Kerberos is used by default. 6. Prepare the filter list and filter action for the second rule. Create a filter list with one filter that triggers on telnet and blocks telnet from all computers: