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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, 6161👍, 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, 6153👍, 0💬

Component Subclasses in Swing Package
Name Component subclasses that support painting? The Canvas, Frame, Panel, and Applet classes support painting. 2007-03-03, 6149👍, 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, 6148👍, 0💬

What is the use of @ Register directives
What is the use of @ Register directives ? @Register directive informs the compiler of any custom server control added to the page. 2007-10-24, 6144👍, 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, 6143👍, 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, 6143👍, 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, 6141👍, 0💬

How To Get a List of Databases from MySQL Servers
How To Get a List of Databases from MySQL Servers? - MySQL FAQs - PHP Connections and Query Execution Once you got a MySQL server connection object successfully, you need to know what databases are available on the server and which database you should use to manage your tables and data. To get a lis... 2007-05-10, 6137👍, 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, 6136👍, 0💬

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, 6134👍, 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, 6133👍, 0💬

How To Run a Stored Procedure Interactively
How To Run a Stored Procedure Interactively? - Oracle DBA FAQ - Introduction to Oracle SQL Developer If have an existing stored procedure and you want to run it interactively, the tutorial steps listed below will help you out: Open you connection name, like Local_XE. Open Procedures. Right-click the... 2007-04-28, 6129👍, 0💬

What Is PEAR
What Is PEAR? PEAR is the next revolution in PHP. This repository is bringing higher level programming to PHP. PEAR is a framework and distribution system for reusable PHP components. It eases installation by bringing an automated wizard, and packing the strength and experience of PHP users into a n... 2007-02-27, 6127👍, 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, 6126👍, 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, 6125👍, 0💬

What does virtual keyword mean
What does virtual keyword mean ? They signify that method and property can be overridden. 2007-10-23, 6124👍, 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, 6123👍, 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, 6121👍, 0💬

What configuration files are used in Struts
What configuration files are used in Struts? There are main configuration files used in Struts to bridge the gap between the Controller and the Model: ApplicationResources.propertie sstruts-config.xml 2007-12-03, 6118👍, 0💬

What is cross cutting in AOP
What is cross cutting in AOP ? When one or many concerns span across module it is called as cross cutting. Example in our audit trail example we will probably need to audit trail for customer as well as supplier. So Audit trail can span across other objects also that is termed as cross cutting. Belo... 2007-10-24, 6118👍, 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, 6114👍, 0💬

What is Absolute and Sliding expiration
What is Absolute and Sliding expiration? Absolute Expiration allows you to specify the duration of the cache, starting from the time the cache is activated. The following example shows that the cache has a cache dependency specified, as well as an expiration time of one minute. Cache.Insert("announc... 2007-10-23, 6113👍, 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, 6113👍, 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