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What are different ways you can pass data between tiers
What are different ways you can pass data between tiers? There are many ways you can pass data between tiers :- ? Dataset the most preferred one as they maintain data in XML format. ? Datareader ? Custom classes. ? XML 2007-10-24, 5481👍, 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, 5481👍, 0💬

Observer Interface and Observable Class
How are Observer and Observable used? Objects that subclass the Observable class maintain a list of observers. When an Observable object is updated, it invokes the update() method of each of its observers to notify the observers that it has changed state. The Observer interface is implemented by obj... 2007-03-03, 5481👍, 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, 5478👍, 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, 5477👍, 0💬

How do we connect to SQL SERVER, which namespace do we use
How do we connect to SQL SERVER, which namespace do we use ? Below is the code, after the code I have given the explanation for it. For this sample we will also need a SQL Table setup which I have imported using the DTS wizard. Private Sub LoadData() ‘ note :- with and end with makes your code more ... 2007-10-24, 5476👍, 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, 5475👍, 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, 5474👍, 0💬

What Is a Dead Lock
What Is a Dead Lock? - MySQL FAQs - Transaction Management: Commit or Rollback A dead lock is phenomenon happens between two transactions with each of them holding a lock that blocks the other transaction as shown in the following diagram: (transaction 1) (transaction 2) update row X to create lock ... 2007-05-09, 5474👍, 0💬

What Is a Deadlock
What Is a Deadlock? Deadlock is a unique situation in a multi user system that causes two or more users to wait indefinitely for a locked resource. First user needs a resource locked by the second user and the second user needs a resource locked by the first user. To avoid dead locks, avoid using ex... 2007-04-15, 5473👍, 0💬

What is marshalling and what are different kinds of marshalling
What is marshalling and what are different kinds of marshalling ? Marshaling is used when an object is converted so that it can be sent across the network or across application domains. Unmarshaling creates an object from the marshaled data. There are two ways to do marshalling :- ã Marshal-by-valu... 2007-10-23, 5471👍, 0💬

What Are the Predefined Tablespaces in a Database
What Are the Predefined Tablespaces in a Database? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files When you create a new database, Oracle server will create 4 required tablespaces for the new database: SYSTEM Tablespace - Every Oracle database contains a tablespace named SYSTEM, which ... 2007-05-03, 5470👍, 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, 5469👍, 0💬

What is GAC
What are situations when you register .NET assembly in GAC ? GAC (Global Assembly Cache) is used where shared .NET assembly reside. GAC is used in the following situations :- If the application has to be shared among several application. If the assembly has some special security requirements like on... 2007-10-22, 5466👍, 0💬

How To Use DIV Elements to Change CSS Properties
How To Use DIV Elements to Change CSS Properties? - XHTML 1.0 Tutorials - Understanding DIV and SPAN elements As elements containers, "div" elements are perfect places to set CSS properties which will be applied to all elements in the container. Here is a tutorial example of how to set CSS propertie... 2007-05-12, 5466👍, 0💬

Relation between HTML and HTTP
What Is the Relation between HTML and HTTP? HTTP (Hyper-Text Transfer Protocol) is an Internet communication protocol, that allows a viewer's computer talking to a publisher's computer to fetch HTML documents. The viewer's computer issues a HTTP request message to the publisher computer first. Then ... 2007-03-03, 5465👍, 0💬

Can Group Functions Be Mixed with Non-group Selection Fields
Can Group Functions Be Mixed with Non-group Selection Fields? - MySQL FAQs - SQL SELECT Query Statements with GROUP BY If a group function is used in the SELECT clause, all other selection fields must be group level fields. Non-group fields can not be mixed with group fields in the SELECT clause. Th... 2007-05-11, 5461👍, 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, 5460👍, 0💬

How To Sort Output in Descending Order
How To Sort Output in Descending Order? - Oracle DBA FAQ - Understanding SQL SELECT Query Statements If you want to sort a column in descending order, you can specify the DESC keyword in the ORDER BY clause. The following SELECT statement first sorts the department in descending order, then sorts th... 2007-04-20, 5460👍, 0💬

How To Create a Table for Transaction Testing
How To Create a Table for Transaction Testing? - MySQL FAQs - Transaction Management: Commit or Rollback If you want to learn transaction management, you should create a table with the InnoDB storage engine. The default storage engine MyISAM does not support the transaction concept. The tutorial exe... 2007-05-11, 5459👍, 0💬

What Are the "mysql" Command Line Arguments
What Are the "mysql" Command Line Arguments? - MySQL FAQs - Command-Line End User Interface mysql "mysql" supports only one optional command line argument, "database". But "mysql" allows the operating system to redirect input and output streams at the command line level. Here are some good examples:... 2007-05-10, 5458👍, 0💬

Is Attribute Name Case Sensitive
Is Attribute Name Case Sensitive? - XHTML Tutorials - Introduction To Tag and Attribute Syntax Yes, attribute names are case sensitive. You must write all attribute names in lower case letters. Here are some valid and invalid attribute names: &lt;a href="http://dev.fyicenter.com "&gt;- Valid... 2007-05-12, 5457👍, 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, 5456👍, 0💬

How To Turn On or Off Recycle Bin for the Instance
How To Turn On or Off Recycle Bin for the Instance? - Oracle DBA FAQ - Managing Oracle Database Tables You can turn on or off the recycle bin feature for an instance in the instance parameter file with "recyclebin=on/off". You can also turn on or off the recycle bin feature on the running instance w... 2007-05-04, 5454👍, 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