The area of circumcircle of a right-angle triangle when the hypotenuse(H) of the triangle is given is found using the formula πH2/4.This formula is derived using the fact that the circumcircle touches all the corners of the triangle, in this case the maximum length between two points in the hypotheses ... Read More

The HTML DOM input button type property returns the type of the input button i.e. whether it is of “button”, “submit” or “reset” type.SyntaxFollowing is the syntax −object.typeExampleLet us see an example of input button type property − Live Demo HTML DOM type Property    body{     ... Read More

The HTML DOM value property returns and modify the content of the value attribute of input button.SyntaxFollowing is the syntax −1. Returning valueobject.value2. Modifying valueobject.value=”text”ExampleLet us see an example of value property Live Demo HTML DOM value Property    body{       text-align:center    }    .btn{ ... Read More

The taglib directive declares that your JSP page uses a set of custom tags, identifies the location of the library, and provides means for identifying the custom tags in your JSP page.The taglib directive follows the syntax given below −Where the uri attribute value resolves to a location the container ... Read More

You can use subquery with aggregate COUNT(*) to get the total row count. Let us first create a table −mysql> create table DemoTable (    StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY,    StudentFirstName varchar(20),    StudentAge int ); Query OK, 0 rows affected (0.48 sec)Insert some records in the table ... Read More

The tag is used to specify the time zone that all tags within its body will use.AttributeThe tag has the following attributes −AttributeDescriptionRequiredDefaultValueTime zone to apply to the bodyYesNoneExample           JSTL fmt:timeZone Tag                 ... Read More

The fromCollection() method is used in JavaTuples to create Septet Tuple from List collection.Let us first see what we need to work with JavaTuples. To work with Septet class in JavaTuples, you need to import the following package −import org.javatuples.Septet;Note − Steps to download and run JavaTuples program. If you ... Read More

Any number which can be expressed as a quotient or fraction in the form of p/q is called a rational number. The fractions module of Python library provides functionality for rational number arithmetic.This module defines a Fraction class. Its object can be constituted in various ways as below −Fraction(num, denom)The ... Read More

To display 3 digits after decimal, use TRUNCATE(). Let us first create a table −mysql> create table DemoTable (    Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,    Value DECIMAL(10, 5) ); Query OK, 0 rows affected (0.51 sec)Insert some records in the table using insert command −mysql> insert into ... Read More

The useBean action is quite versatile. It first searches for an existing object utilizing the id and scope variables. If an object is not found, it then tries to create the specified object.The simplest way to load a bean is as follows −Once a bean class is loaded, you can ... Read More