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How To Write the Opening Tag of an XHTML Element
How To Write the Opening Tag of an XHTML Element? - XHTML Tutorials - Introduction To Tag and Attribute Syntax When you are writing an XHTML element, you must start with its opening tag, which contains the name of the element and attributes if needed. The opening tag is enclosed in a pair of angle b...
2007-05-12, 5708👍, 0💬

What Is Primary Key
What Is Primary Key? - MySQL FAQs - Database Basics and Terminologies A primary key is a single column or multiple columns defined to have unique values that can be used as row identifications.
2007-05-10, 5708👍, 0💬

What Is an Anonymous Block
What Is an Anonymous Block? - Oracle DBA FAQ - Understanding PL/SQL Language Basics An anonymous block is a PL/SQL code block with no name. It consists of three parts: Declaration Part - Defining local variables and local procedures. Declaration part is optional. Execution Part - Defining execution ...
2007-04-30, 5707👍, 0💬

How To Convert Character Strings to Dates
How To Convert Character Strings to Dates? - MySQL FAQs - Introduction to SQL Date and Time Handling If you have a character string that represents a date, and you want to convert it into a date value, you can use the STR_TO_DATE(string, format) function. STR_TO_DATE() shares the same formatting cod...
2007-05-11, 5706👍, 0💬

How To Update Existing Rows in a Table
How To Update Existing Rows in a Table? - MySQL FAQs - Managing Tables and Running Queries with PHP Scripts Updating existing rows in a table requires to run the UPDATE statement with a WHERE clause to identify the row. The following sample script updates one row with two new values: &lt;?php in...
2007-05-11, 5706👍, 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, 5701👍, 0💬

What are the core classes of Struts
What are the core classes of Struts? Action, ActionForm, ActionServlet, ActionMapping, ActionForward are basic classes of Structs. An Action class in the struts application extends Struts 'org.apache.struts.action.Acti on"Class. Action class acts as wrapper around the business logic and provides an ...
2007-11-29, 5700👍, 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, 5696👍, 0💬

What Is Atom
What Is Atom? - RSS FAQs - Introduction to RSS (Really Simple Syndication) Basics Atom is an XML-based document format that describes lists of related information known as "feeds". Feeds are composed of a number of items, known as "entries", each with an extensible set of attached metadata. For exam...
2007-05-12, 5694👍, 0💬

How Are the Parent Padding Spaces Collapsed with the Child Margins
How Are the Parent Padding Spaces Collapsed with the Child Margins? - CSS Tutorials - Understanding Multiple Element Formatting Rules If child block element is enclosed in a parent block element, the vertical margins of the child element could be collapsed with the padding spaces of the parent eleme...
2007-05-11, 5691👍, 0💬

Define Elementary process in FPA
What are function points? FPA is breaking huge systems in to smaller pieces and analyzing them. Software application is combination of set of elementary processes. EP is smallest unit of activity that is meaningful to the user. EP must be self contained and leave the application in a consistent stat...
2007-10-30, 5690👍, 0💬

What Is JUnit TestSuite?
What Is JUnit TestSuite? JUnit TestSuite is a container class, junit.framework.TestSuite, used in JUnit 3.8 that allows you to group multiple test cases into a collection and run them together. TestSuite class is no longer supported in JUnit 4.4. Each test runs in its own fixture so there can be no ...
2008-03-04, 5689👍, 0💬

Frameset and frame
How do I create frames? What is a frameset? Frames allow an author to divide a browser window into multiple (rectangular) regions. Multiple documents can be displayed in a single window, each within its own frame. Graphical browsers allow these frames to be scrolled independently of each other, and ...
2007-03-03, 5686👍, 0💬

URL with or whithout Domain Names
How can I avoid using the whole URL? The URL structure defines a hierarchy (or relationship) that is similar to the hierarchy of subdirectories (or folders) in the filesystems used by most computer operating systems. The segments of a URL are separated by slash characters ("/"). When navigating the ...
2007-03-03, 5681👍, 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, 5678👍, 0💬

define() - Defining Constants
How do you define a constant in PHP? You can define a constant by using the define() function. Once a constant is defined, it can never be changed or undefined. For example: &lt;?php define("CONSTANT", "Hello world."); echo CONSTANT; // outputs "Hello world." echo Constant; // outputs "Constant"...
2007-02-27, 5676👍, 0💬

How can we force the connection object to close after my datareader is closed
How can we force the connection object to close after my datareader is closed ? Command method Executereader takes a parameter called as CommandBehavior where in we can specify saying close connection automatically after the Datareader is close. pobjDataReader = pobjCommand.ExecuteReader(Comm andBeha...
2007-10-24, 5675👍, 0💬

What does virtual keyword mean
What does virtual keyword mean ? They signify that method and property can be overridden.
2007-10-23, 5672👍, 0💬

How To Quote Date and Time Values in SQL Statements
How To Quote Date and Time Values in SQL Statements? - MySQL FAQs - Managing Tables and Running Queries with PHP Scripts If you want to provide date and time values in a SQL statement, you should write them in the format of "yyyy-mm-dd hh:mm:ss", and quoted with single quotes ('). The tutorial exerc...
2007-05-11, 5670👍, 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, 5670👍, 0💬

How To Calculate Date and Time Differences
How To Calculate Date and Time Differences? - Oracle DBA FAQ - Understanding SQL Basics If you want to know how many years, months, days and seconds are there between two dates or times, you can use the date and time interval expressions: YEAR ... TO MONTH and DAY ... TO SECOND. The tutorial exercis...
2007-04-23, 5669👍, 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, 5666👍, 0💬

How To Invoke a User Function
How To Invoke a User Function? - PHP Script Tips - Creating Your Own Functions You can invoke a function by entering the function name followed by a pair of parentheses. If needed, function arguments can be specified as a list of expressions enclosed in parentheses. Here is a PHP script example on h...
2007-04-24, 5666👍, 0💬

What is the difference between a NULL pointer and a void pointer
What is the difference between a NULL pointer and a void pointer? A NULL pointer is a pointer of any type whose value is zero. A void pointer is a pointer to an object of an unknown type, and is guaranteed to have enough bits to hold a pointer to any object. A void pointer is not guaranteed to have ...
2007-11-13, 5664👍, 0💬

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