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Serializalble and Externalizable Interfaces
What is the difference between Serializalble and Externalizable interface? When you use Serializable interface, your class is serialized automatically by default. But you can override writeObject() and readObject() two methods to control more complex object serailization process. When you use Extern... 2007-03-03, 5760👍, 0💬

Relation between HTML and XML
What Is the Relation between HTML and XML? XML (Extensible Markup Language) is a generic markup language to organize generic information into a structured document with embedded tags. HTML is not related to XML other than the factor that both languages uses embedded tags in with similar syntaxes. Fo... 2007-03-03, 5758👍, 0💬

What’s an Object
What’s an Object ? It is a basic unit of a system. An object is an entity that has attributes, behavior, and identity. Objects are members of a class. Attributes and behavior of an object are defined by the class definition. 2007-10-23, 5756👍, 0💬

Deleting Cookies in JSP Pages
How do you delete a Cookie within a JSP? Cookie mycook = new Cookie("name","value"); response.addCookie(mycook); Cookie killmycook = new Cookie("mycook","value"); killmycook.setMaxAge(0); killmycook.setPath("/"); killmycook.addCookie(killmycoo k); 2007-04-03, 5756👍, 0💬

What is RAID and how does it work
What is RAID and how does it work ? Redundant Array of Independent Disks (RAID) is a term used to describe the technique of improving data availability through the use of arrays of disks and various data-striping methodologies. Disk arrays are groups of disk drives that work together to achieve high... 2007-10-25, 5754👍, 0💬

What order they are triggered
What order they are triggered ? They're triggered in the following order: Application_BeginRequest Application_AuthenticateReques tApplication_AuthorizeRequest Application_ResolveRequestCach eApplication_AcquireRequestStat eApplication_PreRequestHandlerE xecuteApplication_PreSendRequestHead ersAppli... 2007-10-24, 5753👍, 0💬

How Much Memory Does the Server Take
How Much Memory Does the Server Take? - MySQL FAQs - Server Daemon mysqld Administration If you are interested to know how much memory your MySQL server is taking, you can use Windows Task Manager to find out. Try to following this tutorial exercise: Start your MySQL server. Press Ctrl-Alt-Del and c... 2007-05-11, 5753👍, 0💬

What is pareto principle
What is 80/20 principle ? Pareto principle also paraphrased as 80/20 principle is simple effective problem tackling way in management. It says that 20% of your problems lead to other 80 % of problems. So rather than concentrating on the 80% of problem if you concentrate on 20% of problems you can sa... 2007-10-30, 5752👍, 0💬

Who Should Use JUnit, Developers or Testers
Who Should Use JUnit, Developers or Testers? I should say that JUnit is mostly used by developers. JUnit is designed for unit testing, which is really a coding process, not a testing process. But many testers or QA engineers, are also required to use JUnit for unit testing. For example, I found this... 2008-01-02, 5748👍, 0💬

What Is Output Spooling in SQL*Plus
What Is Output Spooling in SQL*Plus? - Oracle DBA FAQ - Introduction to Command-Line SQL*Plus Client Tool The output spooling a nice feature of the command-line SQL*Plus tool. If the spooling feature is turned on, SQL*Plus will send a carbon copy of the everything on your screen to a specified local... 2007-04-29, 5748👍, 0💬

What Is XHTML
What Is XHTML? - XHTML FAQs - Introduction To XHTML 1.0 XHTML stands for Extensible Hyper-Text Markup Language. XHTML is a scripting language that authors can use to embed text tags into a text document to add structural and formatting information. More precisely, XHTML gives authors the means to: P... 2007-05-12, 5746👍, 0💬

How to decide on the design consideration to take a Datagrid
How to decide on the design consideration to take a Datagrid, datalist or repeater ? Many make a blind choice of choosing datagrid directly, but that's not the right way. Datagrid provides ability to allow the end-user to sort, page, and edit its data. But it comes at a cost of speed. Second the dis... 2007-10-24, 5745👍, 0💬

Do interface have accessibility modifier
Do interface have accessibility modifier? All elements in Interface should be public. So by default all interface elements are public by default. 2007-10-23, 5745👍, 0💬

Modifiers on Inner Classes
What modifiers may be used with an inner class that is a member of an outer class? A inner class may be declared as public, protected, private, static, final, or abstract. 2007-03-03, 5745👍, 0💬

What Is MyISAM
What Is MyISAM? - MySQL FAQs - Database Basics and Terminologies MyISAM is a storage engine used as the default storage engine for MySQL database. MyISAM is based on the ISAM (Indexed Sequential Access Method) concept and offers fast data storage and retrieval. But it is not transaction safe. 2007-05-10, 5744👍, 0💬

What is Jakarta Struts Framework
What is Jakarta Struts Framework? Jakarta Struts is open source implementation of MVC (Model-View-Controller) pattern for the development of web based applications. Jakarta Struts is robust architecture and can be used for the development of application of any size. Struts framework makes it much ea... 2007-12-10, 5742👍, 0💬

What Is the Relation between XHTML and XML
What Is the Relation between XHTML and XML? - XHTML FAQs - Introduction To XHTML 1.0 XML (Extensible Markup Language) is a generic markup language to organize generic information into a structured document with embedded tags. XHTML is entirely based on XML. You can actually say that XHTML is a child... 2007-05-12, 5740👍, 0💬

What Is Synchronization
What do you understand by Synchronization? Synchronization is a process of controlling the access of shared resources by the multiple threads in such a manner that only one thread can access one resource at a time. In non synchronized multithreaded application, it is possible for one thread to modif... 2007-03-03, 5740👍, 0💬

How To Convert Characters to Numbers
How To Convert Characters to Numbers? - Oracle DBA FAQ - Understanding SQL Basics You can convert characters to numbers by using the TO_NUMBER() function as shown in the following examples: SELECT TO_NUMBER('4123.4570') FROM DUAL 4123.457 SELECT TO_NUMBER(' $4,123.46','$9,999,999.99') FROM DUAL 4123... 2007-04-23, 5738👍, 0💬

How To Delete Multiple Rows from a Table
How To Delete Multiple Rows from a Table? - Oracle DBA FAQ - Understanding SQL DML Statements You can delete multiple rows from a table in the same way as deleting a single row, except that the WHERE clause will match multiple rows. The tutorial exercise below deletes 3 rows from the fyi_links table... 2007-04-21, 5736👍, 0💬

Missing JSP and SSI Includes
How do I mix JSP and SSI #include? If you're just including raw HTML, use the #include directive as usual inside your .jsp file. &lt;!--#include file="data.inc"--&gt; 2007-04-03, 5736👍, 0💬

How To Convert Strings in Hex Format
How To Convert Strings in Hex Format? - PHP Script Tips - PHP Built-in Functions for Strings If you want convert a string into hex format, you can use the bin2hex() function. Here is a PHP script on how to use bin2hex(): &lt;?php $string = "Hello\tworld!\n"; print($string."\n"); print(bin2hex($s... 2007-04-21, 5735👍, 0💬

What are abstract classes
What are abstract classes ? Following are features of a abstract class :- ã You can not create a object of abstract class ã Abstract class is designed to act as a base class (to be inherited by other classes). Abstract class is a design concept in program development and provides a base upon whic... 2007-10-23, 5734👍, 0💬

What is XSL
What is XSL? XSL (the eXtensible Stylesheet Language) is used to transform XML document to some other document. So its transformation document which can convert XML to some other document. For instance you can apply XSL to XML and convert it to HTML document or probably CSV files. 2007-10-31, 5733👍, 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