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"const" and "volatile"
Can a variable be both const and volatile? Yes. The const modifier means that this code cannot change the value of the variable, but that does not mean that the value cannot be changed by means outside this code. For instance, a timer structure can be accessed through a volatile const pointer. The f... 2007-02-26, 6742👍, 0💬

How To Process Query Result in PL/SQL
How To Process Query Result in PL/SQL? - Oracle DBA FAQ - Introduction to PL/SQL You can run queries (SELECT statements) in a PL/SQL code blocks, and process the results a loop as shown in the following script example: SQL> set serveroutput on; SQL> BEGIN 2 FOR row IN 3 (SELECT * FROM employees WHER... 2007-04-26, 6731👍, 0💬

Where Is the Submitted Form Data Stored
Where Is the Submitted Form Data Stored? - PHP Script Tips - Processing Web Forms When a user submit a form on your Web server, user entered data will be transferred to the PHP engine, which will make the submitted data available to your PHP script for processing in pre-defined arrays: $_GET - An as... 2007-04-23, 6724👍, 0💬

How is normally a project management plan document organized
How is normally a project management plan document organized ? PMP document forms the bible of a project. It has normally these sections : Project summary Project organization hierarchy WBS / Activity list to be performed with schedule. Work product identification (In short who will do what) Project... 2007-10-30, 6722👍, 0💬

What is V model in testing
What is V model in testing? V model map’s the type of test to the stage of development in a project. Unit Testing Starting from the bottom the first test level is "Unit Testing". It involves checking that each feature specified in the "Component Design" has been implemented in the component. In theo... 2007-10-30, 6704👍, 0💬

How To Dump the Contents of a Directory into an Array
How To Dump the Contents of a Directory into an Array? - PHP Script Tips - Working with Directoris and Files If you want to get the contents of a directory into an array, you can use the scandir() function. It gets a list of all the files and sub directories of the specified directory and returns th... 2007-04-23, 6702👍, 0💬

What Are the Parameter Modes Supported by PL/SQL
What Are the Parameter Modes Supported by PL/SQL? - Oracle DBA FAQ - Creating Your Own PL/SQL Procedures and Functions PL/SQL supports 3 parameter modes on procedure/function parameters: IN: This is the default mode. IN parameters allow the calling code to pass values into the procedure or function.... 2007-04-25, 6694👍, 0💬

How To Run "mysql" Commands from a Batch File
How To Run "mysql" Commands from a Batch File? - MySQL FAQs - Command-Line End User Interface mysql If you have group of "mysql" commands that need to be executed repeatedly, you can put them into a file, and run them from the file in "mysql" batch mode. Here is a batch file, \temp\links.sql, contai... 2007-05-10, 6692👍, 0💬

How To Add Column Headers to a Table
How To Add Column Headers to a Table? - XHTML 1.0 Tutorials - Understanding Tables and Table Cells If you want to add column headers to a table, you need to use "th" elements instead of "td" elements in the first row of the table. "th" elements are displayed in bold and centered by default. Below is... 2007-05-11, 6684👍, 0💬

How To Analyze Tables with "mysqlcheck"
How To Analyze Tables with "mysqlcheck"? - MySQL FAQs - Administrator Tools for Managing MySQL Server If you want analyze tables with "mysqlcheck", you need to use the "--analyze" option. The following tutorial exercise shows you how to analyze all tables in "mysql" database: >cd \mysql\bin >mysqlch... 2007-05-11, 6682👍, 0💬

Anonymous Classes
Can an anonymous class be declared as implementing an interface and extending a class? An anonymous class may implement an interface or extend a superclass, but may not be declared to do both. 2007-03-03, 6680👍, 0💬

How do I install JUnit? First I will download the lastest version of JUnit.
How do I install JUnit? First I will download the lastest version of JUnit. Then I will extract all files from the downloaded file. The most important file should be the JUnit JAR file: junit-4.4.jar, which contains all JUnit class packages. To verify junit-4.4.jar, I will run the org.junit.runner.J... 2008-01-09, 6673👍, 0💬

Well-Written Object Oriented Programs
What does a well-written Object Oriented program look like? A well-written object oriented program exhibits recurring structures that promote abstraction, flexibility, modularity and elegance. 2007-03-03, 6673👍, 0💬

How Do I Run JUnit Tests from Command Window
How Do I Run JUnit Tests from Command Window? To run JUnit tests from a command window, you need to check the following list: 1. Make sure that JDK is installed and the "java" command program is accessible through the PATH setting. Type "java -version" at the command prompt, you should see the JVM r... 2008-01-17, 6660👍, 0💬

What Happens to Indexes If You Drop a Table
What Happens to Indexes If You Drop a Table? - Oracle DBA FAQ - Managing Oracle Table Indexes If you drop a table, what happens to its indexes? The answer is that if a table is dropped, all its indexes will be dropped too. Try the following script to see yourself: CREATE TABLE student (id NUMBER(5) ... 2007-05-02, 6648👍, 0💬

What is the difference between Class and structure’s
What is the difference between Class and structure’s ? Following are the key differences between them :- ? Structure are value types and classes are reference types. So structures use stack and classes use heap. ? Structures members can not be declared as protected, but class members can be. You can... 2007-10-23, 6647👍, 0💬

What is PMP(project management plan)?
What is PMP(project management plan)? The project management plan is a document that describes the project management system used by a project team. The objective of a project management plan is do define the approach to be used by the Project team to deliver the intended project management scope of... 2008-04-14, 6645👍, 0💬

How To Write a Minimum Atom 1.0 Feed File
How To Write a Minimum Atom 1.0 Feed File? - RSS FAQs - Atom Feed Introduction and File Generation If you want your Website to support a minimum Atom 1.0 feed, you can follow the tutorial exercise bellow. 1. First create a file called "atom.xml" with the following content: &lt;?xml version="1.0"... 2007-05-12, 6640👍, 0💬

Can you explain different properties of Object Oriented Systems
What are different properties provided by Objectoriented systems ? Following are characteristic’s of Object Oriented System’s :- Abstraction It allows complex real world to be represented in simplified manner. Example color is abstracted to RGB. By just making the combination of these three colors w... 2007-10-23, 6638👍, 0💬

What does static variable mean
What does static variable mean? There are 3 main uses for static variables: If you declare within a function, it retains the value between function calls. If it is declared for a function name, by default function is extern. So it will be visible from other files. If the function declaration is as s... 2007-02-26, 6637👍, 0💬

General Questions
1. The basics first, please define the web in simple language? How is it connected with internet? Which are the entities who make the Web operational? 2. What is the market size of web development in India? What has been the contribution of global market to the web development? 3. How web developmen... 2008-04-29, 6634👍, 0💬

How is the MVC design pattern used in Struts framework
How is the MVC design pattern used in Struts framework? In the MVS design pattern, there 3 components involved: Controller - Servlet controller which supplied by Struts itself. View - what you can see on the screen, a JSP page and presentation components. Model - System state and a business logic Ja... 2007-11-27, 6629👍, 0💬

Including Source Files
What is the result of using Option Explicit? When writing your C program, you can include files in two ways. The first way is to surround the file you want to include with the angled brackets &lt; and &gt;. This method of inclusion tells the preprocessor to look for the file in the predefine... 2007-02-26, 6628👍, 0💬

Why is it preferred to not use finalize for clean up
Why is it preferred to not use finalize for clean up? Problem with finalize is that garbage collection has to make two rounds in order to remove objects which have finalize methods. Below figure will make things clear regarding the two rounds of garbage collection rounds performed for the objects ha... 2007-10-23, 6627👍, 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