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What are events
What are events ? As compared to delegates events works with source and listener methodology. So listeners who are interested in receiving some events they subscribe to the source. Once this subscription is done the source raises events to its entire listener when needed. One source can have multipl... 2007-10-23, 6034👍, 0💬

What Is a HTML Tag
What is a HTML tag? In HTML, a tag tells the browser what to do. When you write an HTML page, you enter tags for many reasons -- to change the appearance of text, to show a graphic, or to make a link to another page. 2007-03-03, 6034👍, 0💬

Forms and Pull-Down Navigatin Menus
How can I use forms for pull-down navigation menus? There is no way to do this in HTML only; something else must process the form. JavaScript processing will work only for readers with JavaScript-enabled browsers. CGI and other server-side processing is reliable for human readers, but search engines... 2007-03-03, 6028👍, 0💬

What is nested Classes
What is nested Classes ? Nested classes are classes within classes. In sample below “ClsNested” class has a “ChildNested” class nested inside it. Public Class ClsNested Public Class ChildNested Public Sub ShowMessage() MessageBox.Show(“Hi this is nested class”) End Sub End Class End Class This is ... 2007-10-23, 6021👍, 0💬

Explain in short all types of diagrams in UML
How many types of diagrams are there in UML ? There are nine types of diagrams in UML : Use case diagram: They describe "WHAT" of a system rather than "HOW" the system does it.They are used to identify the primary elements and processes that form the system. The primary elements are termed as "actor... 2007-10-26, 6019👍, 0💬

Differences between Interfaces and Abstract Classes
What's the difference between an interface and an abstract class? An abstract class may contain code in method bodies, which is not allowed in an interface. With abstract classes, you have to inherit your class from it and Java does not allow multiple inheritance. On the other hand, you can implemen... 2007-03-03, 6017👍, 0💬

What are benefits and limitations of using Cookies?
.NET INTERVIEW QUESTIONS - What are benefits and limitations of using Cookies? Following are benefits of using cookies for state management :- * No server resources are required as they are stored in client. * They are light weight and simple to use Following are limitation of using cookies :- * Mos... 2009-07-21, 6015👍, 0💬

What is the difference between Stored Procedure (SP) and User Defined Function (UDF)?
What is the difference between Stored Procedure (SP) and User Defined Function (UDF)? Following are some major differences between a stored procedure and user defined functions: UDF can be executed using the “SELECT” clause while SP’s can not be. UDF can not be used in XML FOR clause but SP’s can b... 2007-10-25, 6013👍, 0💬

How can we force all the validation control to run
How can we force all the validation control to run ? Page.Validate 2007-10-24, 6013👍, 0💬

How To Add a New User Account
How To Add a New User Account? - MySQL FAQs - Managing User Accounts and Access Privileges If you want to add a new user account, you can connect to the server as "root" and use the "CREATE USER ..." command. The command syntax for create a new user account with a specified user name and password is... 2007-05-10, 6013👍, 0💬

How To Include Numeric Values in SQL statements
How To Include Numeric Values in SQL statements? - MySQL FAQs - Introduction to SQL Basics If you want to include a numeric value in your SQL statement, you can enter it directly as shown in the following examples: SELECT 255 FROM DUAL; -- An integer 255 SELECT -6.34 FROM DUAL; -- A regular number -... 2007-05-11, 6012👍, 0💬

What is an XMLReader Class
What is an XMLReader Class? It is an abstract class available from System.XML namespace. XML reader works on a read-only stream browsing from one node to other in a forward direction. It maintains only a pointer to the current node but has no idea of the previous and the next node. You can not modif... 2007-10-31, 6011👍, 0💬

Can one issue DDL statements from Forms?
Can one issue DDL statements from Forms? DDL (Data Definition Language) commands like CREATE, DROP and ALTER are not directly supported from Forms because your Forms are not suppose to manipulate the database structure. A statement like CREATE TABLE X (A DATE); will result in error: Encountered the ... 2011-04-05, 6009👍, 0💬

What does virtual keyword mean
What does virtual keyword mean ? They signify that method and property can be overridden. 2007-10-23, 6007👍, 0💬

What Is RSS (Really Simple Syndication)
What Is RSS (Really Simple Syndication)? - RSS FAQs - Introduction to RSS (Really Simple Syndication) Basics RSS (Really Simple Syndication) is technology that can be used on Websites to syndicate and distribute frequently updated content via news aggregators. Syndication benefits both users and pub... 2007-05-12, 6005👍, 0💬

Two or More Actions in the Same Form
Can I have two or more actions in the same form? No. A form must have exactly one action. However, the server-side (e.g., CGI) program that processes your form submissions can perform any number of tasks (e.g., updating a database, sending email, logging a transaction) in response to a single form s... 2007-03-03, 6003👍, 0💬

Synchronized Methods and Synchronized Statements
What are synchronized methods and synchronized statements? Synchronized methods are methods that are used to control access to a method or an object. A thread only executes a synchronized method after it has acquired the lock for the method's object or class. Synchronized statements are similar to s... 2007-03-03, 6001👍, 0💬

How will you do code reviews
How will you do code reviews ? The way in which code reviews are done change from person to person and also company to company. But the normally when a project is started project people define their architecture, coding standards etc in their design document. So before starting the code review you w... 2007-10-30, 6000👍, 0💬

What can JavaScript programs do?
What can JavaScript programs do? Generation of HTML pages on-the-fly without accessing the Web server. The user can be given control over the browser like User input validation Simple computations can be performed on the client's machine The user's browser, OS, screen size, etc. can be detected Date... 2008-05-27, 5999👍, 0💬

How does authorization work in ASP.NET
How does authorization work in ASP.NET? ASP.NET impersonation is controlled by entries in the applications web.config file. The default setting is “no impersonation”. You can explicitly specify that ASP.NET shouldn’t use impersonation by including the following code in the file &lt;identity imp... 2007-10-24, 5999👍, 0💬

How To Define a Bookmark
How To Define a Bookmark? - XHTML 1.0 Tutorials - Understanding Hyper Links and URLs A bookmark is a named reference point in a XHTML document. If a bookmark can be included in the URL that represents this document, the browser will automatically move the display window to the reference point as soo... 2007-05-12, 5997👍, 0💬

How to turn on Perl warnings? Why is that important
How to turn on Perl warnings? Why is that important? Perl is very forgiving of strange and sometimes wrong code, which can mean hours spent searching for bugs and weird results. Turning on warnings helps uncover common mistakes and strange places and save a lot of debugging time in the long run. The... 2007-11-19, 5994👍, 0💬

What are the seven layers(OSI model) of networking
What are the seven layers(OSI model) of networking? 1.Physical, 2.Data Link, 3.Network, 4.Transport, 5.Session, 6.Presentation and 7.Application Layers. 2007-11-12, 5991👍, 0💬

How many ways are there to implement locking in ADO.NET
How many ways are there to implement locking in ADO.NET ? Following are the ways to implement locking using ADO.NET 1. When we call gUpdateh method of DataAdapter it handles locking internally. If the DataSet values are not matching with current data in Database it raises concurrency exception err... 2007-10-24, 5991👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML