WPF Tutorial: Data Templates Introduction Data Template are a similar concept as Control Templates. They give you a very flexible and powerful solution to replace the visual appearance of a data item in a control like ListBox, ComboBox or ListView. In my opinion this is one of the key success factory of WPF. If you don’t specify a data template, WPF takes the default template that is just a TextBlock. If you bind complex objects [...]

JSP Interview Questions and Answers: Explain the life-cycle mehtods in JSP? Answer :: THe generated servlet class for a JSP page implements the HttpJspPage interface of the javax.servlet.jsp package. Hte HttpJspPage interface extends the JspPage interface which inturn extends the Servlet interface of the javax.servlet package. the generated servlet class thus implements all the methods of the these three interfaces. The JspPage interface declares only two mehtods – jspInit() and jspDestroy() that must be implemented [...]

Unix Interview Questions: 1. Construct pipes to execute the following jobs. Output of who should be displayed on the screen with value of total number of users who have logged in displayed at the bottom of the list. Output of ls should be displayed on the screen and from this output the lines containing the word ‘poem’ should be counted and the count should be stored in a file. Contents of file1 and file2 should [...]

SAP FICO Interview Questions: Enterprise Structure What is a Company Code and what are the basic organizational assignments to a company code? Company Code is a legal entity for which financial statements like Profit and Loss and Balance Sheets are generated. Plants are assigned to the company code, Purchasing organization is assigned to the company code, and Sales organization is assigned to the company code. What is the relation between a Controlling Area and a [...]

C# interview questions and answers: What’s the advantage of using System.Text.StringBuilder over System.String? StringBuilder is more efficient in the cases, where a lot of manipulation is done to the text. Strings are immutable, so each time it’s being operated on, a new instance is created. Can you store multiple data types in System.Array? No. What’s the difference between the System.Array.CopyTo() and System.Array.Clone()? The first one performs a deep copy of the array, the second one [...]

Oracle Interview Questions and Answers What are the components of physical database structure of Oracle database? Oracle database is comprised of three types of files. One or more datafiles, two are more redo log files, and one or more control files. What are the components of logical database structure of Oracle database? There are tablespaces and database’s schema objects. What is a tablespace? A database is divided into Logical Storage Unit called tablespaces. A tablespace [...]

95 SEO Tips and Tricks-2 Continuing from first part… Don’t link a lot to external sites (LOW PRIORITY) Linking to sites not on your site is a good idea, but don’t fill up your pages with them. At best, you will dilute the effectiveness of your page in the search engines, and at worst your page will look like a list of links and get slightly penalized by search engines. Also, when you have lots [...]