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I finally admitted that I was totally lost and asked again for the 10-minute system overview I didn't need to know everything; I just needed to know the high points The architect started again and in 15 minutes was only about 25 percent through the system! The Outcome This was a large COM system, and at about this point I started to figure out what the performance problem was Evidently, some architect on the team had become enamored with COM He didn't just sip from a glass of COM Kool-Aid; he immediately started guzzling from the 55-gallon drum of COM In what I later guessed was a system that needed 8 10 main objects, this team had over 80! To give you an idea how ridiculous this was, it was like every character in a string was a COM object This thing was over-engineered and completely under-thought.

Hibernate provides two alternative configuration files: a standard Java properties file called hibernate.properties and an XML formatted file called hibernate.cfg.xml. We ll use the XML configuration file throughout this book, but it s important to realize that both configuration files perform the same function: configuring the Hibernate service. If both the hibernate.properties and hibernate.cfg.xml files are found in the application classpath, then hibernate.cfg.xml overrides the settings found in the hibernate.properties file. (Actually, we use both files in the example source code to avoid putting the database connection information throughout the project directory tree.) Before configuring Hibernate, you should first determine how the service obtains database connections. Database connections may be provided by the Hibernate framework or from a JNDI DataSource. A third method, user-provided JDBC connections, is also available, but it s rarely used.

It was the classic case in which the architects had zero hands-on experience After about a half a day, I finally got the manager off to the side and said that there wasn't much we could do for performance because the overhead of COM itself was killing them He was none too happy to hear this and immediately blurted out this infamous phrase: "We've got too big an investment in this code to change now!" Unfortunately, with their existing architecture, we couldn't do much to effect a performance boost The Lesson This project suffered from several major problems right from the beginning First, team members handed over the complete design to nonimplementers Second, they immediately started coding when the plan came down from on high There was absolutely no thought other than to code this thing up and code it up now.

this.TextBoxState.Text = (string)profile.GetPropertyValue("Address.State"); this.TextBoxZipCode.Text = (string)profile.GetPropertyValue("Address.ZipCode"); this.DropDownList1.SelectedValue = (string)profile.GetPropertyValue("Theme"); this.Calendar1.SelectedDate = (DateTime)profile.GetPropertyValue("Birthdate");

It was the classic "Code First, Think Later" problem preceded by "No-Thought Design" I can't stress this enough: you have to get realistic technology assessments and plan your development before you ever turn on the computer..

virtualize: of cial support from Microsoft and the wide availability of x64 hardware. Of cial support means that if you have an issue with Windows or just about any of the Microsoft server applications, and you re running in a virtualized environment, you re still supported, and Microsoft support won t say, Sorry, we don t support you on Virtual Server. This is an important concern for anyone using virtualization in a production environment. The wide availability of x64 hardware is also driving the move to virtualization. The biggest limiting factor for running virtualization on 32-bit Windows is the RAM limitation. By moving to x64 Windows Server, especially Windows Server 2008 with native Hyper-V, running many server workloads on a single physical server is easy. For example, while writing this book, we ve been using an HP ML350G5 server with 16 gigabytes (GB) of RAM and two dual-core processors. That lets us easily run two copies of Windows Small Business Server 2008 in virtual machines and several Windows Vista and Windows XP virtual machines as well.

SELECT empid, custid, YEAR(orderdate) AS orderyear, SUM(qty) AS totalqty INTO #Cube FROM dbo.Orders GROUP BY empid, custid, YEAR(orderdate) WITH CUBE; CREATE CLUSTERED INDEX idx_emp_cust_year ON #Cube(empid, custid, orderyear);

using System; using System.Globalization; class App { static void Main() { String s1 = "Strass", s2 = "Stra "; Int32 x; // CompareOrdinal returns nonzero: strings have different values. x = String.CompareOrdinal(s1, s2); Console.WriteLine("CompareOrdinal: {0} {2} {1} ", s1, s2, (x == 0) "equals" : "does not equal");

namespace Library { internal class SubsystemA { internal string A1( ) { return "Subsystem A, Method A1\n"; } internal string A2( ) { return "Subsystem A, Method A2\n"; } } internal class SubsystemB { internal string B1( ) { return "Subsystem B, Method B1\n"; } } internal class SubsystemC { internal string C1( ) { return "Subsystem C, Method C1\n"; } } } public static class static SubsystemA static SubsystemB static SubsystemC Facade { a = new SubsystemA( ); b = new SubsystemB( ); c = new SubsystemC( );

Summary