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How can I set a cookie and delete a cookie from within a JSP page?
How can I set a cookie and delete a cookie from within a JSP page? A cookie, mycookie, can be deleted using the following scriptlet: 2013-08-07, 3059👍, 0💬

What is use of a cursor variable? How it is defined?
What is use of a cursor variable? How it is defined? Cursor variable is used to mark a work area where Oracle stores a multi-row query output for processing. It is like a pointer in C or Pascal. Because it is a TYPE, it is defined as TYPE REF CURSOR RETURN ; 2011-11-01, 3057👍, 0💬

How does multi-threading take place on a computer with a single CPU?
How does multi-threading take place on a computer with a single CPU? The operating system's task scheduler allocates execution time to multiple tasks. By quickly switching between executing tasks, it creates the impression that tasks execute sequentially. 2012-06-08, 3055👍, 0💬

Can you have virtual functions in Java?
Can you have virtual functions in Java? Yes, all functions in Java are virtual by default. This is actually a pseudo trick question because the word "virtual" is not part of the naming convention in Java (as it is in C++, C-sharp and VB.NET), so this would be a foreign concept for someone who has on... 2012-05-16, 3053👍, 0💬

What is function overloading and operator overloading?
What is function overloading and operator overloading? Function overloading: C++ enables several functions of the same name to be defined, as long as these functions have different sets of parameters (at least as far as their types are concerned). This capability is called function overloading. When... 2012-01-25, 3052👍, 0💬

What are the high-level thread states?
What are the high-level thread states? The high-level thread states are ready, running, waiting, and dead. 2012-06-15, 3049👍, 0💬

What is a scope resolution operator?
What is a scope resolution operator? A scope resolution operator (::), can be used to define the member functions of a class outside the class. 2012-02-23, 3049👍, 0💬

Write a fucntion that will reverse a string.
Write a fucntion that will reverse a string. char *strrev(char *s) { int i = 0, len = strlen(s); char *str; if ((str = (char *)malloc(len+1)) == NULL) /*cannot allocate memory */ err_num = 2; return (str); } while(len) str[i++]=s[–len]; str[i] = NULL; return (str); } 2012-04-11, 3048👍, 0💬

What is Location of Jserv configuration files ?
What is Location of Jserv configuration files ? Jserv configuration files are located in $IAS_ORACLE_HOME /Apache/Jserv/etc . 2011-11-24, 3043👍, 0💬

What is the difference between Serializalble and Externalizable interface?
What is the difference between Serializalble and Externalizable interface? When you use Serializable interface, your class is serialized automatically by default. But you can override writeObject() and readObject() two methods to control more complex object serailization process. When you use Extern... 2012-05-29, 3041👍, 0💬

The Equivalent HTML Control for the &lt;input type=”button”> tag is ..
The Equivalent HTML Control for the &lt;input type=”button”> tag is .. The Equivalent HTML Control for the &lt;input type=”button”> tag is * HtmlInput * HtmlButton * HtmlPushButton * HtmlInputButton HtmlInputButton 2014-06-20, 3038👍, 0💬

An application needs to load a library before it starts to run, how to code??
An application needs to load a library before it starts to run, how to code?? One option is to use a static block to load a library before anything is called. For example, class Test { static { System.loadLibrary("path-to-li brary-file");} .... } When you call new Test(), the static block will be ca... 2012-05-18, 3036👍, 0💬

What are wrapped classes?
What are wrapped classes? Wrapped classes are classes that allow primitive types to be accessed as objects. 2012-06-25, 3032👍, 0💬

What happens to objects lost in "unreachable" memory..... ?
What happens to objects lost in "unreachable" memory..... ? What happens to objects lost in "unreachable" memory, such as the object returned by Ob-&gt;new() in `{ my $ap; $ap = [ Ob-&gt;new(), \$ap ]; }' ? Their destructors are called when that interpreter thread shuts down. When the interp... 2013-09-20, 3031👍, 0💬

What is similarities/difference between an Abstract class and Interface?
What is similarities/difference between an Abstract class and Interface? Differences are as follows: Interfaces provide a form of multiple inheritance. A class can extend only one other class. Interfaces are limited to public methods and constants with no implementation. Abstract classes can have a ... 2012-05-23, 3030👍, 0💬

What is the immediate superclass of the Dialog class?
What is the immediate superclass of the Dialog class? Window. 2012-10-05, 3028👍, 0💬

How do you find out if a linked-list has an end? (i.e. the list is not a cycle)
How do you find out if a linked-list has an end? (i.e. the list is not a cycle) You can find out by using 2 pointers. One of them goes 2 nodes each time. The second one goes at 1 nodes each time. If there is a cycle, the one that goes 2 nodes each time will eventually meet the one that goes slower. ... 2012-01-24, 3028👍, 0💬

What is the numeric promotion?
What is the numeric promotion? Numeric promotion is used with both unary and binary bitwise operators. This means that byte, char, and short values are converted to int values before a bitwise operator is applied. If a binary bitwise operator has one long operand, the other operand is converted to a... 2012-07-02, 3026👍, 0💬

What is the difference between the File and RandomAccessFile classes?
What is the difference between the File and RandomAccessFile classes? The File class encapsulates the files and directories of the local file system. The RandomAccessFile class provides the methods needed to directly access data contained in any part of a file. 2013-01-08, 3016👍, 0💬

How many methods in the Serializable interface?
How many methods in the Serializable interface? There is no method in the Serializable interface. The Serializable interface acts as a marker, telling the object serialization tools that your class is serializable. 2012-05-28, 3016👍, 0💬

I im trying to declare a pointer and allocate some space for it
I'm trying to declare a pointer and allocate some space for it, but it's not working. What's wrong with this code? char *p; *p = malloc(10); The pointer you declared is p, not *p. When you're manipulating the pointer itself (for example when you're setting it to make it point somewhere), you just us... 2016-06-10, 3015👍, 0💬

Can We Multiple Script Manager in Ajax?
Can We Multiple Script Manager in Ajax? Can We have multiple content place holder in Master pages in asp.net? In Javascript While click a submit at the time a new text box will be displayed ? Give examples and their methods used 2013-10-23, 3015👍, 0💬

What are the advantages of inheritance?
What are the advantages of inheritance? It permits code reusability. Reusability saves time in program development. It encourages the reuse of proven and debugged high-quality software, thus reducing problem after a system becomes functional. 2012-01-26, 3014👍, 0💬

What is new with the stop(), suspend() and resume() methods in JDK 1.2??
What is new with the stop(), suspend() and resume() methods in JDK 1.2?? The stop(), suspend() and resume() methods have been deprecated in JDK 1.2. 2012-09-18, 3013👍, 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