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What is DTD (Document Type definition)
What is DTD (Document Type definition)? It defines how your XML should structure. For instance in the above XML we want to make it compulsory to provide “qty” and “totalcost”, also that these two elements can only contain numeric. So you can define the DTD document and use that DTD document with in... 2007-10-31, 6304👍, 0💬

Is JSP technology extensible?
Is JSP technology extensible? YES. JSP technology is extensible through the development of custom actions, or tags, which are encapsulated in tag libraries. 2019-01-07, 6300👍, 1💬

💬 2019-01-07 Hgf: Very good

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, 6299👍, 0💬

What is ENUM
What is ENUM ? It’s used to define constants. 2007-10-23, 6293👍, 0💬

Do we need to pay the Struts if being used in commercial purpose
Do we need to pay the Struts if being used in commercial purpose? No. Struts is available for commercial use at no charge under the Apache Software License. You can also integrate the Struts components into your own framework just as if they were writtern in house without any red tape, fees, or othe... 2007-11-29, 6290👍, 0💬

How To Group Multiple Test Classes into a Suite in JUnit 4.4?
How To Group Multiple Test Classes into a Suite in JUnit 4.4? JUnit 4.4 stops using the "public static Test suite()" method to build a test suite class. It is now provides the org.junit.runners.Suite class and two annotations to help you to build test suite. org.junit.runners.Suite - JUnit 4.4 runne... 2008-01-29, 6289👍, 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, 6287👍, 0💬

What are design patterns
What are design patterns ? Design patterns are recurring solution to recurring problems in software architecture. (A) Can you list down all patterns and their classification ? Note :- This is advanced question because anyone who asks to list down all patterns can only be crazy for what he is asking.... 2007-10-24, 6285👍, 0💬

Wrapped Classes
What are wrapped classes? Wrapped classes are classes that allow primitive types to be accessed as objects. 2007-03-03, 6283👍, 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, 6282👍, 0💬

What is the difference between Factory and Abstract Factory Patterns
What is the difference between Factory and Abstract Factory Patterns? Note: - This is quiet a confusing architect question especially in design pattern section. Interviewer can take you for a nice ride. So get the difference in your heart. First read the definition provided in the first question abo... 2007-10-24, 6281👍, 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, 6277👍, 0💬

How to add Buttons in JavaScript?
How to add Buttons in JavaScript? The most basic and ancient use of buttons are the "submit" and "clear", which appear slightly before the Pleistocene period. Notice when the "GO!" button is pressed it submits itself to itself and appends the name in the URL. &lt;form action="" name="buttonsGalo... 2008-05-20, 6276👍, 0💬

What helpers in the form of JSP pages are provided in Struts framework
What helpers in the form of JSP pages are provided in Struts framework? There are 4 major JSTLs (JSP Standard Tag Libraries) provided in Struts as JSP helpers. Those tag libraries are described in TLD (Tag Library Descriptor) files: struts-html.tld - Tags to help generating HTML elements. struts-for... 2007-12-05, 6276👍, 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, 6276👍, 0💬

How To Test NULL Values
How To Test NULL Values? - Oracle DBA FAQ - Understanding PL/SQL Language Basics There ate two special comparison operators you can use on NULL values: "variable IS NULL" - Returns TRUE if the variable value is NULL. "variable IS NOT NULL" - Return TRUE if the variable value is not NULL. The followi... 2007-04-29, 6275👍, 0💬

What Are the Main Differences between Atom 1.0 and RSS 2.0
What Are the Main Differences between Atom 1.0 and RSS 2.0? - RSS FAQs - Introduction to RSS (Really Simple Syndication) Basics Main differences between Atom 1.0 and RSS 2.0: Atom has separate "summary" and "content" elements, while RSS only has one "description" element. Atom standardizes auto-disc... 2007-05-12, 6274👍, 0💬

What is ArrayList
What is ArrayList ? Array is whose size can increase and decrease dynamically. Array list can hold item of different types. As Array list can increase and decrease size dynamically you do not have to use the REDIM keyword. You can access any item in array using the INDEX value of the array position. 2007-10-23, 6273👍, 0💬

Differences between Simple Variables and Variable Variables
What is the difference between $message and $$message in PHP? $message is a simple variable with a fixed name which is called "message". $$message is a variable variable with a variable name which is stored in another variable called $message. If $message contains "user", $$message is the same as $u... 2007-02-27, 6270👍, 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, 6268👍, 0💬

Component Subclasses in Swing Package
Name Component subclasses that support painting? The Canvas, Frame, Panel, and Applet classes support painting. 2007-03-03, 6268👍, 0💬

What are wait handles ?
.NET INTERVIEW QUESTIONS - What are wait handles ?(What is a mutex object ?) Wait handles sends signals of a thread status from one thread to other thread. There are three kind of wait modes :- * WaitOne. * WaitAny. * WaitAll. When a thread wants to release a Wait handle it can call Set method. You ... 2009-12-22, 6267👍, 0💬

How To Write Ampersand Sign in Attribute Values
How To Write Ampersand Sign in Attribute Values? - XHTML Tutorials - Introduction To Tag and Attribute Syntax If you need enter an ampersand sign in an attribute value, you can not enter it directly. You must replace it with entity: &amp;amp;. Here are some interesting examples of quoted attribu... 2007-05-12, 6267👍, 0💬

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, 6261👍, 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