When a value is added in an input box, then the oninput event occurs. You can try to run the following code to learn how to implement oninput event in JavaScript −Example           Write below:                            function inputFunc() {             var a = document.getElementById("newInput").value;             document.write("Typed: " + a);          }          

With the help of ALTER EVENT statement along with the ENABLE and DISABLE keyword, we can ENABLE and DISABLE the event. To illustrate it we are having the following example −Examplemysql> ALTER EVENT hello DISABLE; Query OK, 0 rows affected (0.00 sec)The above query will DISABLE the event named ‘Hello’ ... Read More

To make it understand we are using the data from the following tables −mysql> Select * from customers; +-------------+----------+ | Customer_Id | Name     | +-------------+----------+ | 1           | Rahul    | | 2           | Yashpal  | | 3 ... Read More

MySQL NULLIF() control flow function will return NULL if both the arguments are the same, otherwise, it returns the first argument.SyntaxNULLIF(expression1, expression2)Here if expression1 = expression2, NULL will be returned by NULLIF() otherwise expression1 will be returned. Following example will exhibit this −mysql> Select NULLIF('Ram', 'Ram'); +---------------------+ | NULLIF('Ram', 'Ram') ... Read More

For treating the hexadecimal value as a number, we can use the CAST(… AS UNSIGNED) function. Following example will demonstrate it −mysql> Select 0x54, CAST(0x54 AS UNSIGNED); +------+------------------------+ | 0x54 | CAST(0x54 AS UNSIGNED) | +------+------------------------+ | T    |                     84 | +------+------------------------+ 1 row in set (0.01 sec)

It can be done by using GROUP BY clause in the SELECT statement. We can specify a column as grouping criteria with the help of GROUP BY clause. Due to the specified grouping criteria, rows with the same value in a particular column are considered as a single group. In ... Read More

The unload event trigger when you unload (or refresh) a page. You can try to run the following code to learn how to implement onunload event in JavaScript.Example           Close the page and see what happens!       This event may give unexpected results.                function newFunc() {             alert("Thank you!");          }          

Use the on abort event to abort the loading of an image. You can try to run the following code to learn how to implement an abort event in JavaScript.Example                    function abortFunc() {             alert('Error- Loading of the image aborted');          }                

The toCharArray() method of a String class converts this string to a character array.ExampleLive Demoimport java.lang.*; public class StringDemo {    public static void main(String[] args) {       // converts String value to character array type value       String str = " Java was developed by ... Read More

It is not advisable to use CX_ROOT directly and you would require using one of its direct subclasses. Also, the propagation depends upon the exception subclass hierarchy.Subclasses of CX_STATIC_CHECK – these do not propagate automatically. You will need to do the handling yourself or there will be a syntax error ... Read More