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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, 7690👍, 0💬

Using Macros for Contants
What is the benefit of using #define to declare a constant? Using the #define method of declaring a constant enables you to declare a constant in one place and use it throughout your program. This helps make your programs more maintainable, because you need to maintain only the #define statement and... 2007-02-26, 7688👍, 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, 7684👍, 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, 7678👍, 0💬

How can we format data inside DataGrid
How can we format data inside DataGrid? Use the DataFormatString property. 2007-10-24, 7675👍, 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, 7675👍, 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, 7667👍, 0💬

What Happens If the UPDATE Subquery Returns Multiple Rows
What Happens If the UPDATE Subquery Returns Multiple Rows? - Oracle DBA FAQ - Understanding SQL DML Statements If a subquery is used in a UPDATE statement, it must return exactly one row for each row in the update table that matches the WHERE clause. If it returns multiple rows, Oracle server will g... 2007-04-21, 7666👍, 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, 7661👍, 0💬

Can we get a strongly typed resource class rather than using resource manager
Can we get a strongly typed resource class rather than using resource manager? In the previous question we had seen how resourcemanager class can be used to read the string from the resource file. But there has been considerable improvement in VS.Net 2005 for resource support. You no more need to lo... 2007-11-01, 7654👍, 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, 7647👍, 0💬

How to create arrays in JavaScript?
How to create arrays in JavaScript? We can declare an array like this var scripts = new Array(); We can add elements to this array like this scripts[0] = "PHP"; scripts[1] = "ASP"; scripts[2] = "JavaScript"; scripts[3] = "HTML"; Now our array scrips has 4 elements inside it and we can print or acces... 2008-05-06, 7645👍, 0💬

What is CodeDom
What is CodeDom? “CodeDom” is an object model which represents actually a source code. It is designed to be language independent - once you create a “CodeDom” hierarchy for a program we can then generate the source code in any .NET compliant language. So let’s try to do something real practical an... 2007-10-22, 7643👍, 0💬

Modulation Operations
Write an equivalent expression for x%8? x&amp;7 2007-02-26, 7643👍, 0💬

Using Pointers
What print out will the folloging code produce? main() { char *p1=“name”; char *p2; p2=(char*)malloc(20); memset (p2, 0, 20); while(*p2++ = *p1++); printf(“%s\n”,p2);> } The pointer p2 value is also increasing with p1 . *p2++ = *p1++ means copy value of *p1 to *p2 , then increment both addresses (p... 2007-02-26, 7641👍, 0💬

States of a Thread
What are the high-level thread states? The high-level thread states are ready, running, waiting, and dead. 2007-03-03, 7636👍, 0💬

"volatile" Modifier
when should the volatile modifier be used? The volatile modifier is a directive to the compiler's optimizer that operations involving this variable should not be optimized in certain ways. There are two special cases in which use of the volatile modifier is desirable. The first case involves memory-... 2007-02-26, 7634👍, 0💬

How To Assign Debug Privileges to a User
How To Assign Debug Privileges to a User? - Oracle DBA FAQ - Introduction to Oracle SQL Developer In order to run SQL Developer in debug mode, the session must be connected with a user who has debug privileges. The following script shows you how to assign debug privileges: Connect to the default dat... 2007-04-28, 7629👍, 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, 7624👍, 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, 7624👍, 0💬

How To Run a JUnit Test Class
How To Run a JUnit Test Class? A JUnit test class usually contains a number of test methods. You can run all test methods in a JUnit test class with the JUnitCore runner class. For example, to run the test class HelloTest.java described previously, you should do this: java -cp .;junit-4.4.jar org.ju... 2008-01-15, 7619👍, 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, 7608👍, 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, 7607👍, 0💬

Incremental Operatiors
What will be printed as the result of the operation below: main() { int x=10, y=15; x = x++; y = ++y; printf("%d %d\n",x,y); } Answer: 11, 16 2007-02-26, 7607👍, 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