.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

<< < 1 2 3 4 5 6 7 8 9 10 … > >>   Sort: Date

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, 6781👍, 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, 6766👍, 0💬

Modulation Operations
Write an equivalent expression for x%8? x&amp;7 2007-02-26, 6761👍, 0💬

Using scriptlet to Initialize JavaBean
How do I use a scriptlet to initialize a newly instantiated bean? A jsp:useBean action may optionally have a body. If the body is specified, its contents will be automatically invoked when the specified bean is instantiated. Typically, the body will contain scriptlets or jsp:setProperty tags to init... 2007-04-03, 6750👍, 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, 6738👍, 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, 6727👍, 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, 6721👍, 0💬

init() vs. Constructor
Can we use the constructor, instead of init(), to initialize servlet? Yes , of course you can use the constructor instead of init(). There's nothing to stop you. But you shouldn't. The original reason for init() was that ancient versions of Java couldn't dynamically invoke constructors with argument... 2007-04-03, 6707👍, 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, 6697👍, 0💬

Where Do You Download JUnit?
Where Do You Download JUnit? Where do I download JUnit? I don't think anyone will ask this question in a job interview. But the answer is simple. You should follow the download instructions from the JUnit official Website: JUnit.org. 2008-01-07, 6672👍, 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, 6670👍, 0💬

What Is the "@SuiteClasses" Annotation?
What Is the "@SuiteClasses" Annotation? "@SuiteClasses" is a class annotation defined in JUnit 4.4 in org.junit.runners.Suite.SuiteC lasses.It allows you to define a suite class as described in the previous question. By the way, the API document of JUnit 4.4 has a major typo for the org.junit.runner... 2008-01-31, 6668👍, 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, 6665👍, 0💬

include Directive vs. jsp:include Action
What is the difference between include directive & jsp:include action? Difference between include directive and jsp:include action: provides the benifits of automatic recompliation,smaller class size ,since the code corresponding to the included page is not present in the servlet for every inclu... 2007-04-03, 6639👍, 0💬

How do you target a specific frame from a hyperlink?
How do you target a specific frame from a hyperlink? Include the name of the frame in the target attribute of the hyperlink. &lt;a href=”mypage.htm” target=”BodyFrame”>>Next&l t;/a> 2008-05-06, 6637👍, 0💬

FORM - How to Use IT
How do I use forms? The basic syntax for a form is: &lt;FORM ACTION="[URL]">...&lt;/FOR M>When the form is submitted, the form data is sent to the URL specified in the ACTION attribute. This URL should refer to a server-side (e.g., CGI) program that will process the form data. The form itsel... 2007-03-03, 6629👍, 0💬

Searching Date in Linked Lists
How can I search for data in a linked list? Unfortunately, the only way to search a linked list is with a linear search, because the only way a linked list's members can be accessed is sequentially. Sometimes it is quicker to take the data from a linked list and store it in a different data structur... 2007-02-26, 6626👍, 0💬

What Is Hashing
What is hashing? To hash means to grind up, and that's essentially what hashing is all about. The heart of a hashing algorithm is a hash function that takes your nice, neat data and grinds it into some random-looking integer. The idea behind hashing is that some data either has no inherent ordering ... 2007-02-26, 6615👍, 0💬

What Is URI
What Is URI? URI (Uniform Resource Identifier) is a superset of URL. URI provides a simple and extensible means for identifying a resource in a more generic way. For example, the following strings are all valid URIs: ftp://ftp.is.co.za/rfc/rfc1808 .txthttp://www.ietf.org/rfc/rfc239 6.txtldap://[2001... 2007-03-03, 6612👍, 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, 6607👍, 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, 6597👍, 0💬

Incremental Operatos
What will be printed as the result of the operation below: main() { int x=20,y=35; x=y++ + x++; y= ++y + ++x; printf("%d%d\n",x,y); } Answer : 5794 2007-02-26, 6587👍, 0💬

How Many Tags Are Defined in HTML 4.01
How Many Tags Are Defined in HTML 4.01? There are 77 tags defined in HTML 4.01: a abbr acronym address area b base bdo big blockquote body br button caption cite code col colgroup dd del dfn div dl dt em fieldset form h1 h2 h3 h4 h5 h6 head hr html i img input ins kbd label legend li link map meta n... 2007-03-03, 6585👍, 0💬

Nesting Include Files
Can include files be nested? The answer is yes. Include files can be nested any number of times. As long as you use precautionary measures , you can avoid including the same file twice. In the past, nesting header files was seen as bad programming practice, because it complicates the dependency trac... 2007-02-26, 6584👍, 0💬

<< < 1 2 3 4 5 6 7 8 9 10 … > >>   Sort: Date

.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