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How To Use Subqueries with the EXISTS Operator
How To Use Subqueries with the EXISTS Operator? - MySQL FAQs - SQL SELECT Statements with JOIN and Subqueries A subquery can be used with the EXISTS operator as "EXISTS (subquery)", which returns true if the subquery returns one or more rows. The following statement is a good example of "EXISTS (sub... 2007-05-11, 6361👍, 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, 6360👍, 0💬

Can we have different access modifiers on get/set methods of a property
Can we have different access modifiers on get/set methods of a property ? No we can not have different modifiers same property. The access modifier on a property applies to both its get and set accessors. 2007-10-23, 6358👍, 0💬

How To Perform Key Word Search in Tables
How To Perform Key Word Search in Tables? - MySQL FAQs - Managing Tables and Running Queries with PHP Scripts The simplest way to perform key word search is to use the SELECT statement with a LIKE operator in the WHERE clause. The LIKE operator allows you to match a text field with a keyword pattern... 2007-05-11, 6357👍, 0💬

Describe the various components in sequence diagrams
Describe the various components in sequence diagrams? Object lifeline: It represents the lifetime of an object creation and its destruction. If the object is created or destroyed during the time period the diagram represents, then the lifeline stops or starts at the appropriate point. An object's de... 2007-10-26, 6355👍, 0💬

How can we use .NET components in COM
What is CCW (COM callable wrapper) ? or How do we ensure that .NET components is compatible with COM ? .NET components can not be used in straight forward way with COM. You will need to create CCW in order that COM components communicate with .NET assemblies. Following are the different approaches t... 2007-10-22, 6353👍, 0💬

How do you convert numbers between different bases in JavaScript?
How do you convert numbers between different bases in JavaScript? Use the parseInt() function, that takes a string as the first parameter, and the base as a second parameter. So to convert hexadecimal 3F to decimal, use parseInt ("3F", 16); 2008-04-29, 6351👍, 0💬

How To Query Tables and Loop through the Returning Rows
How To Query Tables and Loop through the Returning Rows? - MySQL FAQs - Managing Tables and Running Queries with PHP Scripts The best way to query tables and loop through the returning rows is to run the SELECT statement with the mysql_query() function, catch the returning object as a result set, an... 2007-05-11, 6349👍, 0💬

Writing HTML Documents Entirely by Hand
How comfortable are you with writing HTML documents entirely by hand? Very. I do not usually use WYSIWYG. The only occasions when I do use Dreamweaver are when I want to draw something to see what it looks like, and then I will usually either take that design and hand-modify it or build it all over ... 2007-03-03, 6349👍, 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, 6347👍, 0💬

require(), include() and include_once() Functions
What are the differences between require(), include() and include_once() functions in PHP? All three functions are used to include and evaluate a file into the current script execution. The include_once() statement includes and evaluates the specified file during the execution of the script. This is... 2007-02-27, 6344👍, 0💬

How Struts control data flow
How Struts control data flow? Struts implements the MVC/Layers pattern through the use of ActionForwards and ActionMappings to keep control-flow decisions out of presentation layer. 2007-11-30, 6338👍, 0💬

Explain the different elements of a Use Case
Explain the different elements of a Use Case ? Package: - It logically groups element of a UML model. Use Case :- It represents a set of events. Actor : - Role played by an outside object. Interface :- It specifies the externally operations of a class, component, package, or other element without sp... 2007-10-26, 6332👍, 0💬

Using ServletOutputStream Object in JSP Pages
Can you make use of a ServletOutputStream object from within a JSP page? No. You are supposed to make use of only a JSPWriter object (given to you in the form of the implicit object out) for replying to clients. A JSPWriter can be viewed as a buffered version of the stream object returned by respons... 2007-04-03, 6329👍, 0💬

What is JSP
What is a JSP and what is it used for? Java Server Pages (JSP) is a platform independent presentation layer technology that comes with SUN's J2EE platform. JSPs are normal HTML pages with Java code pieces embedded in them. JSP pages are saved to *.jsp files. A JSP compiler is used in the background ... 2007-04-03, 6327👍, 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, 6323👍, 0💬

In what instances you will declare a constructor to be private
In what instances you will declare a constructor to be private? When we create a private constructor, we can not create object of the class directly from a client. So you will use private constructors when you do not want instances of the class to be created by any external client. Example UTILITY f... 2007-10-23, 6323👍, 0💬

What is multiprogramming
What is multiprogramming? Multiprogramming is a rapid switching of the CPU back and forth between processes. 2007-11-11, 6322👍, 0💬

Defining an Interface
How to define an Interface? Java Interface defines methods but does not implement them. Interface can include constants. A class that implements an interface is required to implement all the methods defined in the interface. Here is an example of interface definition: public interface MyInterface { ... 2007-03-03, 6313👍, 0💬

How To Turn On Some Parts of Table Outer Borders
How To Turn On Some Parts of Table Outer Borders? - XHTML 1.0 Tutorials - Understanding Tables and Table Cells If you don't want to turn all 4 edges of outer borders in a table, you need to use the "frame" attribute, which offer the following options: &lt;table border="1" frame="border"&gt; ... 2007-05-11, 6310👍, 0💬

How To Drop a Stored Procedure
How To Drop a Stored Procedure? - Oracle DBA FAQ - Creating Your Own PL/SQL Procedures and Functions If there is an existing stored procedure and you don't want it any more, you can remove it from the database by using the DROP PROCEDURE statement as shown in the following script example: SQL> CREAT... 2007-04-26, 6309👍, 0💬

Under What Conditions Should You Not Test Get() and Set() Methods?
Under What Conditions Should You Not Test Get() and Set() Methods? The JUnit FAQ provides a good answer to this question: Most of the time, get/set methods just can't break, and if they can't break, then why test them? While it is usually better to test more, there is a definite curve of diminishing... 2008-02-19, 6308👍, 0💬

What does "1"+2+4 evaluate to?
What does "1"+2+4 evaluate to? Since "1" is a string, everything is a string, so the result is a string of "124". 2008-07-29, 6304👍, 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, 6304👍, 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