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How To Use "FOR" Statements
How To Use "FOR" Statements? - Oracle DBA FAQ - Understanding PL/SQL Language Basics If you have a block of codes to be executed repeatedly over a range of values, you can use the "FOR ... LOOP" statement. Here is a sample script on FOR statements: DECLARE total NUMBER := 0; BEGIN FOR i IN 1..10 LOO... 2007-04-29, 5704👍, 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, 5704👍, 0💬

JComponent and Component
Why does JComponent have add() and remove() methods but Component does not? Because JComponent is a subclass of Container, and can contain other components and jcomponents. 2007-04-03, 5704👍, 0💬

How do you submit a form using Javascript?
How do you submit a form using Javascript? Use document.forms[0].submit(); (0 refers to the index of the form – if you have more than one form in a page, then the first one has the index 0, second has index 1 and so on). 2008-03-18, 5702👍, 0💬

What’s the difference between localization and globalization
What’s the difference between localization and globalization? Below are the definition’s which is taken from the Microsoft glossary. Globalization: It is the process of developing a program core whose features and code design are not solely based on a single language or locale. Localization: The pro... 2007-11-01, 5700👍, 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, 5697👍, 0💬

SingleThreadModel Deprecated
In the Servlet 2.4 specification SingleThreadModel has been deprecated, why? Because it is not practical to have such model. Whether you set isThreadSafe to true or false, you should take care of concurrent client requests to the JSP page by synchronizing access to any shared objects defined at the ... 2007-04-03, 5696👍, 0💬

What Is an OPTION Tag/Element
What Is an OPTION Tag/Element? - XHTML 1.0 Tutorials - Understanding Forms and Input Fields A "option" element is an inline element that you can use to define one option of a dropdown input field in a form. Here are basic rules about a "option" element: "option" elements are inline elements. "option... 2007-05-12, 5695👍, 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, 5695👍, 0💬

What does the "Access is Denied" IE error mean?
What does the "Access is Denied" IE error mean? The "Access Denied" error in any browser is due to the following reason. A JavaScript in one window or frame is tries to access another window or frame whose document's domain is different from the document containing the script. 2008-07-08, 5693👍, 0💬

How To Reduce the Display Size of an Image
How To Reduce the Display Size of an Image? - XHTML 1.0 Tutorials - Understanding Inline Images and Image Maps If an image embedded inline is too big when displayed in a browser, you can use "width" and "height" attributes to reduce the image's display size. The display width and height should be pr... 2007-05-12, 5693👍, 0💬

What Happens to the Current Transaction If the Session Is Killed
What Happens to the Current Transaction If the Session Is Killed? - MySQL FAQs - Transaction Management: Commit or Rollback If a session is killed by the DBA, the current transaction in that session will be rolled back and ended. All the database changes made in the current transaction will be remov... 2007-05-11, 5692👍, 0💬

How To Get a List of All Tables in the Database
How To Get a List of All Tables in the Database? - Oracle DBA FAQ - Introduction to Oracle SQL Developer If you don't like to use a SELECT statement to get a list of all tables in the current database, you can use the Reports view to do this as shown in the following tutorial example: Click menu Vie... 2007-04-27, 5692👍, 0💬

Setting Session Timeout Period
Is there a way I can set the inactivity lease period on a per-session basis? Typically, a default inactivity lease period for all sessions is set within your JSPengine admin screen or associated properties file. However, if your JSP engine supports the Servlet 2.1 API, you can manage the inactivity ... 2007-04-03, 5692👍, 0💬

Calling unmanaged function from within managed code
Calling unmanaged function from within managed code When we use windows API in Dot Net?Is it managed or un managed code? Have you ever tried to called an unmanaged function (eg: MessageBox function inside the User32.dll ) with in a managed code? Let's try to do that. Open up your Visual studio 2005 ... 2009-03-06, 5690👍, 0💬

What Are the Arithmetic Operations
What Are the Arithmetic Operations? - Oracle DBA FAQ - Understanding PL/SQL Language Basics There are 4 basic arithmetic operations on numeric values as shown in the following sample script: PROCEDURE proc_arithmetic AS addition NUMBER; subtraction NUMBER; multiplication NUMBER; division NUMBER; BEG... 2007-04-30, 5689👍, 0💬

How To Enter Comments into XHTML documents
How To Enter Comments into XHTML documents? - XHTML Tutorials - Introduction To Tag and Attribute Syntax If you want to enter comments into an XHTML document, you can use the comment tag: "&lt;!-- ... --&gt;". Here are some good examples of XHTML comments: &lt;!-- Start north banner --&a... 2007-05-12, 5688👍, 0💬

What Is the Icon for RSS and Atom
What Is the Icon for RSS and Atom? - RSS FAQs - Introduction to RSS (Really Simple Syndication) Basics The Web browser and Website syndication industry has adopted a standard icon to identify syndicated content as shown below: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 2007-05-12, 5688👍, 0💬

How to Find a Substring from a Given String
How to Find a Substring from a Given String? - PHP Script Tips - PHP Built-in Functions for Strings To find a substring in a given string, you can use the strpos() function. If you call strpos($haystack, $needle), it will try to find the position of the first occurrence of the $needle string in the ... 2007-04-21, 5688👍, 0💬

How To Use MySQL Command Line Interface
How To Use MySQL Command Line Interface? - PHP Script Tips - Working with MySQL Database MySQL server comes with a command line interface, which will allow you to operate with the server with SQL statements and other commands. To start the command line interface, you can run the \mysql\bin\mysql pro... 2007-04-18, 5688👍, 0💬

Hot To Specify the Padding Spaces of a Block Element
Hot To Specify the Padding Spaces of a Block Element? - CSS Tutorials - HTML Formatting Model: Block, Inline and Floating Elements CSS offers 4 style properties to control padding spaces of a block element. You can specify them in different ways as shown in the following CSS examples: {padding-top: ... 2007-05-11, 5687👍, 0💬

What Is Index
What Is Index? - MySQL FAQs - Database Basics and Terminologies An index is a single column or multiple columns defined to have values pre-sorted to speed up data retrieval speed. 2007-05-10, 5686👍, 0💬

How can I read/write OS Files from Forms?
How can I read/write OS Files from Forms? OS files can be read/written from Forms using the TEXT_IO package in Forms. The TEXT_IO package has a datatype FILE_HANDLE. It also has procedures FCLOSE, GET_LINE, NEW_LINE, PUT, PUT_LINE & PUTF and a function FOPEN. Example: DECLARE file1 TEXT_IO.FILE_... 2011-05-03, 5685👍, 0💬

How To Convert the First Character to Upper Case
How To Convert the First Character to Upper Case? - PHP Script Tips - PHP Built-in Functions for Strings If you are processing an article, you may want to capitalize the first character of a sentence by using the ucfirst() function. You may also want to capitalize the first character of every words ... 2007-04-21, 5684👍, 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