Use the onfocus attribute to execute a script when the element gets focus in HTML.ExampleYou can try to run the following code to implement the onfocus attribute −           Enter subject name below,       Subject:                      function display(val) {             document.getElementById(val).style.background = "blue";          }          

The StringTokenizer class of the java.util package allows an application to break a string into tokens.This class is a legacy class that is retained for compatibility reasons although its use is discouraged in new code.Its methods do not distinguish among identifiers, numbers, and quoted strings.This class methods do not even ... Read More

Following is the required program.ExampleLive Demopublic class Tester {    static int n1 = 0, n2 = 1, n3 = 0;    static void fibbonacci(int count) {       if (count > 0) {          n3 = n1 + n2;          n1 = ... Read More

You can format a floating number to a fixed width in Python using the format function on the string. examplenums = [0.555555555555, 1, 12.0542184, 5589.6654753] for x in nums:    print("{:10.4f}".format(x))OutputThis will give the output −0.5556 1.0000 12.0542 5589.6655ExampleUsing the same function, you can also format integers −nums = [5, 20, ... Read More

The most straightforward way seems to use an external iterator to keep track. Note that this answer considers that you're looping on same sized lists. examplea = [10, 12, 14, 16, 18] b = [10, 8, 6, 4, 2] for i in range(len(a)):    print(a[i] + b[i])OutputThis will give the ... Read More

The HTML tag specifies to show browsers that do not support the ruby annotations. Ruby Annotations are used in East Asian typography.ExampleYou can try to run the following code to implement tag in HTML −           HTML Rp Tag                        漢 (Kan)          字 (ji)          

Use the dirname attribute allows you to submit the the text direction. The value will be the name of the input followed by “.dir”.Example           Student Contact Form                Student Name:          Student Subject:                    

Use the tag in HTML to create a heading. The HTML tag is used for specifying a header cell or table header within a table.The following are the attributes −AttributeValueDescriptionabbrabbreviated_textDeprecated − Specifies an abbreviated version of the content in a header cell.alignrightleftcenterjustifycharDeprecated − Content alignment in header cell.axisNameDeprecated ... Read More

With the help of following MySQL query, we can apply EXTRACT() function with WHERE clause on the dates stored in a table.mysql> Select StudentName,EXTRACT(Year from dateofreg)AS YEAR from testing WHERE StudentName = 'Gaurav'; +-------------+------+ | StudentName | YEAR | +-------------+------+ | Gaurav      | 2017 | +-------------+------+ 1 row in set (0.00 sec)

Java lang package provides a Double class which has methods to convert Double to String and vice versa. You can convert a String to a double using the parseDouble() method and double to String using the toString() methodExampleLive Demopublic class StringDouble {    public static void main(String args[]){       Double ... Read More