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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, 2937👍, 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, 2937👍, 0💬

Referring to the sample code above, what is the type of T2 in the object ::f?
template&lt;class T = int&gt; class Foo { public: template&lt;class T2 = T&gt; class InnerFoo { T2 t2; }; static InnerFoo&lt;long&gt; *f; }; Foo&lt;double&gt; f; Referring to the sample code above, what is the type of T2 in the object ::f? 1) double 2) t2 3) char 4) i... 2012-04-20, 2933👍, 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, 2931👍, 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, 2930👍, 0💬

What is an HTML tag? C++
What is an HTML tag? C++ Answer: An HTML tag is a syntactical construct in the HTML language that abbreviates specific instructions to be executed when the HTML script is loaded into a Web browser. It is like a method in Java, a function in C++, a procedure in Pascal, or a subroutine in FORTRAN. 2012-02-29, 2930👍, 0💬

There is a % sign in one field of a column. What will be the query to find it?
There is a % sign in one field of a column. What will be the query to find it? SELECT column_name FROM table_name WHERE column_name LIKE ‘%\%%’ ESCAPE ‘\’; 2011-12-06, 2930👍, 0💬

How do I print the entire contents of an array with Perl?
How do I print the entire contents of an array with Perl? To answer this question, we first need a sample array. Let's assume that you have an array that contains the name of baseball teams, like this: @teams = ('cubs', 'reds', 'yankees', 'dodgers'); If you just want to print the array with the arra... 2013-09-24, 2924👍, 0💬

What happens when a page is statically included in another JSP page?
What happens when a page is statically included in another JSP page? An include directive tells the JSP engine to include the contents of another file (HTML, JSP, etc.) in the current page. This process of including a file is also called as static include. 2013-08-15, 2924👍, 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, 2923👍, 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, 2923👍, 0💬

How do I sort a hash by the hash value?
How do I sort a hash by the hash value? Here's a program that prints the contents of the grades hash, sorted numerically by the hash value: #!/usr/bin/perl -w # Help sort a hash by the hash 'value', not the 'key'. to highest). sub hashValueAscendingNum { $grades{$a} &lt;=&gt; $grades{$b}; } ... 2013-09-10, 2921👍, 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, 2918👍, 0💬

What is a transient variable?
What is a transient variable? A transient variable is a variable that may not be serialized. If you don't want some field to be serialized, you can mark that field transient or static. 2012-05-30, 2917👍, 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, 2917👍, 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, 2916👍, 0💬

What is the immediate superclass of the Dialog class?
What is the immediate superclass of the Dialog class? Window. 2012-10-05, 2913👍, 0💬

What is a container class? C++ What are the types of container classes?
What is a container class? C++ What are the types of container classes? A container class is a class that is used to hold objects in memory or external storage. A container class acts as a generic holder. A container class has a predefined behavior and a well-known interface. A container class is a ... 2012-01-16, 2904👍, 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, 2902👍, 0💬

How does the XmlSerializer work? What ACL permissions does a process using it require?
How does the XmlSerializer work? What ACL permissions does a process using it require? XmlSerializer requires write permission to the system’s TEMP directory. 2014-02-21, 2901👍, 0💬

What does `new $cur->{LINK}' do? (Assume the current package has no new() function of its own.)
What does `new $cur->{LINK}' do? (Assume the current package has no new() function of its own.) $cur-&gt;new()-&gt;{LI NK}The indirect object syntax only has a single token lookahead. That means if new() is a method, it only grabs the very next token, not the entire following expression. Thi... 2013-09-09, 2900👍, 0💬

What are synchronized methods and synchronized statements?
What are synchronized methods and synchronized statements? Synchronized methods are methods that are used to control access to a method or an object. A thread only executes a synchronized method after it has acquired the lock for the method's object or class. Synchronized statements are similar to s... 2012-06-04, 2899👍, 0💬

How the object oriented approach helps us keep complexity of software development under control?
How the object oriented approach helps us keep complexity of software development under control? We can discuss such issue from the following aspects: Objects allow procedures to be encapsulated with their data to reduce potential interference. Inheritance allows well-tested procedures to be reused ... 2012-08-14, 2896👍, 0💬

What is the difference between throw and throws keywords?
What is the difference between throw and throws keywords? The throw keyword denotes a statement that causes an exception to be initiated. It takes the Exception object to be thrown as argument. The exception will be caught by an immediately encompassing try-catch construction or propagated further u... 2012-07-19, 2896👍, 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