.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

<< < … 21 22 23 24 25 26 27 28 29 30 31 … > >>   Sort: Date

What is the use of DISPOSE method
What is the use of DISPOSE method? Dispose method belongs to IDisposable interface. We had seen in the previous section how bad it can be to override the finalize method for writing the cleaning of unmanaged resources. So if any object wants to release its unmanaged code best is to implement IDispos... 2007-10-23, 5919👍, 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, 5919👍, 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, 5916👍, 0💬

What Is Table
What Is Table? - MySQL FAQs - Database Basics and Terminologies A table is a data storage structure with rows and columns. 2007-05-10, 5915👍, 0💬

What are different types of JIT ?
.NET INTERVIEW QUESTIONS - What are different types of JIT ? JIT compiler is a part of the runtime execution environment. In Microsoft .NET there are three types of JIT compilers: * Pre-JIT :- Pre-JIT compiles complete source code into native code in a single compilation cycle. This is done at the t... 2010-04-13, 5913👍, 0💬

What is the difference between TCP and UDP
What is the difference between TCP and UDP? TCP and UDP are both transport-level protocols. TCP is designed to provide reliable communication across a variety of reliable and unreliable networks and internets. UDP provides a connectionless service for application-level procedures. Thus, UDP is basic... 2007-11-11, 5907👍, 0💬

How can we make Windows API calls in .NET
How can we make Windows API calls in .NET? Windows API call are not COM based and they are invoked through Platform Invoke Services. Declare StringConversionType (Function | Sub) MethodName Lib "DllName" ([Args]) As Type ã StringConversionType is for what type of conversion should take place. Eithe... 2007-10-22, 5907👍, 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, 5907👍, 0💬

What is DOCTYPE
What is a DOCTYPE? Which one do I use? According to HTML standards, each HTML document begins with a DOCTYPE declaration that specifies which version of HTML the document uses. Originally, the DOCTYPE declaration was used only by SGML-based tools like HTML validators, which needed to determine which... 2007-03-03, 5906👍, 0💬

Uploading Files with File Input Fields in a Form
How To Write the FORM Tag Correctly for Uploading Files? When users clicks the submit button, files specified in the &lt;INPUT TYPE=FILE...> will be transferred from the browser to the Web server. This transferring (uploading) process is controlled by a properly written &lt;FORM...> tag as: ... 2007-02-27, 5904👍, 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, 5903👍, 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, 5899👍, 0💬

What is ActionServlet
What is ActionServlet? The class org.apache.struts.action.Actio nServletis called the ActionServlet. In the the Jakarta Struts Framework, this class plays the role of controller. All the requests to the server goes through the controller. Controller is responsible for handling all the requests. 2007-12-12, 5898👍, 0💬

How To Write Element Attributes Properly
How To Write Element Attributes Properly? - XHTML Tutorials - Introduction To Tag and Attribute Syntax If an attribute is allowed for an XHTML element, you must write the attribute inside the opening tag of this element. Here are some rules on writing element attributes: An attribute must have a nam... 2007-05-12, 5898👍, 0💬

Component Subclasses in Swing Package
Name Component subclasses that support painting? The Canvas, Frame, Panel, and Applet classes support painting. 2007-03-03, 5895👍, 0💬

How can JavaScript be used to personalize or tailor a Web site to fit
How can JavaScript be used to personalize or tailor a Web site to fit individual users? JavaScript allows a Web page to perform "if-then" kinds of decisions based on browser version, operating system, user input, and, in more recent browsers, details about the screen size in which the browser is run... 2008-06-03, 5889👍, 0💬

What Is a Named Program Unit
What Is a Named Program Unit? - Oracle DBA FAQ - Understanding PL/SQL Language Basics A named program unit is a PL/SQL code block with an name. It consists of three parts: Declaration Part - Defining the program unit name, calling parameters, local variables and local procedures. Declaration part is... 2007-04-30, 5889👍, 0💬

What’s difference between Datagrid, Datalist and repeater
What’s difference between Datagrid, Datalist and repeater? WA Datagrid, Datalist and Repeater are all ASP.NET data Web controls. They have many things in common like DataSource Property, DataBind Method ItemDataBound and ItemCreated. When you assign the DataSource Property of a Datagrid to a DataSet... 2007-10-24, 5888👍, 0💬

How Does MySQL Handle Read Consistency
How Does MySQL Handle Read Consistency? - MySQL FAQs - Transaction Management: Commit or Rollback Read consistency is a concept that describes how consistent the output will be on two subsequent read operations. A read operation is usually a stand alone SELECT statement or a SELECT subquery in a par... 2007-05-11, 5886👍, 0💬

In What scenarios will you use a DOM parser and SAX parser
In What scenarios will you use a DOM parser and SAX parser? If you do not need all the data from the XML file then SAX approach is much preferred than DOM as DOM can quiet memory intensive. In short if you need large portion of the XML document its better to have DOM. With SAX parser you have to wri... 2007-10-31, 5884👍, 0💬

What Is the Relation between XHTML and HTML
What Is the Relation between XHTML and HTML? - XHTML FAQs - Introduction To XHTML 1.0 HTML (Hyper-Text Markup Language) is the original markup language for writing Web documents. XHMTL 1.0 is basically the same language as HTML 4.0. But XHTML 1.0 is defined in XML 1.0 syntax. XHTML 1.0 offers the fo... 2007-05-12, 5882👍, 0💬

What is a Interface
What is a Interface ? Interface is a contract that defines the signature of the functionality. So if a class is implementing a interface it says to the outer world, that it provides specific behavior. Example if a class is implementing Idisposable interface that means it has a functionality to relea... 2007-10-23, 5881👍, 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, 5881👍, 0💬

Wrapped Classes
What are wrapped classes? Wrapped classes are classes that allow primitive types to be accessed as objects. 2007-03-03, 5881👍, 0💬

<< < … 21 22 23 24 25 26 27 28 29 30 31 … > >>   Sort: Date

.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