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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, 6966👍, 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, 6953👍, 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, 6952👍, 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, 6950👍, 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, 6950👍, 0💬

How To Delete All Rows a Table
How To Delete All Rows a Table? - MySQL FAQs - Understanding SQL INSERT, UPDATE and DELETE Statements If you want to delete all rows from a table, you have two options: Use the DELETE statement with no WHERE clause. Use the TRUNCATE TABLE statement. The TRUNCATE statement is more efficient the DELET... 2007-05-11, 6949👍, 0💬

How To Change System Global Area (SGA)
How To Change System Global Area (SGA)? - Oracle DBA FAQ - Introduction to Oracle Database 10g Express Edition Your 10g XE server has a default setting for System Global Area (SGA) of 140MB. The SGA size can be changed to a new value depending on how many concurrent sessions connecting to your serve... 2007-04-24, 6948👍, 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, 6943👍, 0💬

How to set a HTML document's background color?
How to set a HTML document's background color? document.bgcolor property can be set to any appropriate color. 2008-05-27, 6941👍, 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, 6939👍, 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, 6923👍, 0💬

What Is invokeLater() Method
When should the method invokeLater() be used? This method is used to ensure that Swing components are updated through the event-dispatching thread. 2007-03-03, 6921👍, 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, 6919👍, 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, 6914👍, 0💬

How To Enter Characters as HEX Numbers
How To Enter Characters as HEX Numbers? - MySQL FAQs - Introduction to SQL Basics If you want to enter characters as HEX numbers, you can quote HEX numbers with single quotes and a prefix of (X), or just prefix HEX numbers with (0x). A HEX number string will be automatically converted into a charact... 2007-05-11, 6913👍, 0💬

Storage Classes
What are the different storage classes in C? C has three types of storage: automatic, static and allocated. Variable having block scope and without static specifier have automatic storage duration. Variables with block scope, and with static specifier have static scope. Global variables (i.e, file s... 2007-02-26, 6913👍, 0💬

malloc Function
Why does malloc(0) return valid memory address? What's the use? malloc(0) does not return a non-NULL under every implementation. An implementation is free to behave in a manner it finds suitable, if the allocation size requested is zero. The implmentation may choose any of the following actions: * A... 2007-02-26, 6909👍, 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, 6906👍, 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, 6900👍, 0💬

What is a delegate
What is a delegate ? Delegate is a class that can hold a reference to a method or a function. Delegate class has a signature and it can only reference those methods whose signature is compliant with the class. Delegates are type-safe functions pointers or callbacks. Below is a sample code which show... 2007-10-23, 6897👍, 0💬

Constants
WHat will be the result of the following code? #define TRUE 0 // some code while (TRUE) { // some code } Answer: This will not go into the loop as TRUE is defined as 0. 2007-02-26, 6896👍, 0💬

How many types of validation controls are provided by ASP.NET
How many types of validation controls are provided by ASP.NET ? There are six main types of validation controls :- RequiredFieldValidator It checks whether the control have any value. It's used when you want the control should not be empty. RangeValidator It checks if the value in validated control ... 2007-10-24, 6891👍, 0💬

Modulation Operations
Write an equivalent expression for x%8? x&amp;7 2007-02-26, 6891👍, 0💬

How To Display a Past Time in Days, Hours and Minutes
How To Display a Past Time in Days, Hours and Minutes? - MySQL FAQs - Managing Tables and Running Queries with PHP Scripts You have seen a lots of Websites are displaying past times in days, hours and minutes. If you want to do this yourself, you can use the TIMEDIFF() SQL function. Note that the TI... 2007-05-11, 6888👍, 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