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Serializable Interface
How many methods in the Serializable interface? There is no method in the Serializable interface. The Serializable interface acts as a marker, telling the object serialization tools that your class is serializable. 2007-03-03, 5794👍, 0💬

Do Broswers Support Multiple Forms
Do Broswers Support Multiple Forms? - XHTML 1.0 Tutorials - Understanding Forms and Input Fields XHTML 1.0 does allow you to create multiple forms in a single XHTML document. Most browsers will display and handle multiple forms properly. If click a submit button in one form, browsers will submit inp... 2007-05-12, 5793👍, 0💬

What Are the Main Differences between Atom 1.0 and RSS 2.0
What Are the Main Differences between Atom 1.0 and RSS 2.0? - RSS FAQs - Introduction to RSS (Really Simple Syndication) Basics Main differences between Atom 1.0 and RSS 2.0: Atom has separate "summary" and "content" elements, while RSS only has one "description" element. Atom standardizes auto-disc... 2007-05-12, 5793👍, 0💬

What Is SQL*Loader
What Is SQL*Loader? - Oracle DBA FAQ - Loading and Exporting Data SQL*Loader is a database tool that allows to load data from external files into database tables. SQL*Loader is available as part of the free Oracle 10g Expression Edition. It has some interesting features as: Can load data from multip... 2007-04-30, 5792👍, 0💬

What Happens If a JUnit Test Method Is Declared to Return "String"
What Happens If a JUnit Test Method Is Declared to Return "String"? If a JUnit test method is declared to return "String", the compilation will pass ok. But the execution will fail. This is decause JUnit requires that all test methods must be declared to return "void". For example: type HelloTestNon... 2008-01-24, 5791👍, 0💬

What’s the use of SmartNavigation property
What’s the use of SmartNavigation property ? It’s a feature provided by ASP.NET to prevent flickering and redrawing when the page is posted back. Note:- This is only supported for IE browser. Project’s who have browser compatibility as requirements have to think some other ways of avoiding flickeri... 2007-10-24, 5791👍, 0💬

How To Quote Text Values in SQL Statements
How To Quote Text Values in SQL Statements? - MySQL FAQs - Managing Tables and Running Queries with PHP Scripts Text values in SQL statements should be quoted with single quotes ('). If the text value contains a single quote ('), it should be protected by replacing it with two single quotes (''). In... 2007-05-11, 5790👍, 0💬

What Is a Connect Identifier
What Is a Connect Identifier? - Oracle DBA FAQ - Introduction to Command-Line SQL*Plus Client Tool A "connect identifier" is an identification string of a single set of connection information to a specific target database instance on a specific Oracle server. Connect identifiers are defined and stor... 2007-04-28, 5789👍, 0💬

What is basic use of “DataView”
What is basic use of “DataView” ? “DataView” represents a complete table or can be small section of rows depending on some criteria. It is best used for sorting and finding data with in “datatable”. Dataview has the following method’s Find It takes a array of values and returns the index of the r... 2007-10-24, 5788👍, 0💬

How To Read a File in Binary Mode
How To Read a File in Binary Mode? - PHP Script Tips - Reading and Writing Files If you have a file that stores binary data, like an executable program or picture file, you need to read the file in binary mode to ensure that none of the data gets modified during the reading process. You need to: Ope... 2007-04-23, 5786👍, 0💬

Relation between HTML and CSS
What Is the Relation between HTML and CSS? CSS (Cascading Style Sheets) is a technical specification that allows HTML document authors to attach formatting style sheets to HTML documents. When HTML documents are viewed as Web pages through Web browsers, the attached style sheets will alter the defau... 2007-03-03, 5786👍, 0💬

How To Place Comments in PL/SQL
How To Place Comments in PL/SQL? - Oracle DBA FAQ - Understanding PL/SQL Language Basics There are two ways to place comments into PL/SQL codes: SQL Statement Style: Starts you comment any where in the line but prefixed with '--'. The comment ends at the end of the line. C Language Style: Starts you... 2007-05-01, 5784👍, 0💬

What is the difference WCF and Web services?
What is the difference WCF and Web services? Web services can only be invoked by HTTP. While Service or a WCF component can be invoked by any protocol and any transport type. Second web services are not flexible. But Services are flexible. If you make a new version of the service then you need to ju... 2007-11-04, 5782👍, 0💬

Overriding JSP Server Generated Servlet Subclass
How do I have the JSP-generated servlet subclass be my own custom servlet class, instead of the default? One should be very careful when having JSP pages extend custom servlet classes as opposed to the default one generated by the JSP engine. In doing so, you may lose out on any advanced optimizatio... 2007-04-03, 5782👍, 0💬

How To Run SQL Functions in PL/SQL
How To Run SQL Functions in PL/SQL? - Oracle DBA FAQ - Working with Database Objects in PL/SQL Of course, you can run SQL functions in SQL statements. But many SQL functions can also be executed in regular PL/SQL statements, as shown in the following sample script: DECLARE now DATE; id NUMBER; str V... 2007-04-27, 5781👍, 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, 5776👍, 0💬

Can we sign a satellite assembly
Can we sign a satellite assembly? Yes you can sign the satellite assembly using the /keyfile switch which takes “.snk” file as the input parameter. al /res:MyLanguage.resources /c:de /keyfile:MyLang.snk out:MyLanguages.resources.dll 2007-11-02, 5772👍, 0💬

How To Invoke the Data Pump Export Utility
How To Invoke the Data Pump Export Utility? - Oracle DBA FAQ - Loading and Exporting Data The Data Pump Export utility is distributed as executable file called "expdp.exe". To invoke this utility, you should go to the "bin" directory of your Oracle server installation and run the "expdp" command. He... 2007-05-01, 5771👍, 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, 5771👍, 0💬

What is the difference between System exceptions and Application
What is the difference between System exceptions and Application exceptions? All exception derives from Exception Base class. Exceptions can be generated programmatically or can be generated by system. Application Exception serves as the base class for all applicationspecific exception classes. It d... 2007-10-22, 5768👍, 0💬

How To Delete Existing Rows in a Table
How To Delete Existing Rows in a Table? - MySQL FAQs - Managing Tables and Running Queries with PHP Scripts If you want to remove a row from a table, you can use the DELETE statement with a WHERE clause to identify the row. The following sample script deletes one row: &lt;?php include "mysql_con... 2007-05-11, 5767👍, 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, 5766👍, 0💬

What Is Wrong with My &lt;meta&gt; Tags
What Is Wrong with My &lt;meta&gt; Tags? - XHTML Tutorials - Introduction To Tag and Attribute Syntax If you are converting existing HTML documents to XHTML format, you may find some &lt;meta&gt; tags are written as: &lt;meta name="Author" content="FYICenter.com"&gt ;&lt;... 2007-05-12, 5765👍, 0💬

How does one suppress or customize error messages in Forms?
How does one suppress or customize error messages in Forms? One can either set the message level using the system variable SYSTEM.MESSAGE_LEVEL or trap errors using the ON-ERROR or ON-MESSAGE triggers. MESSAGE_LEVEL: Set to 0, 5, 10, 15, 20, 25 to suppress all messages with severity below this level... 2011-04-05, 5764👍, 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