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C Program for Adding Two Numbers Using Recursion #include<stdio.h> int y; /* Function to add two numbers and return the result */ int add(int m, int n) { if(n == 0) return m; /* Recursion: adding 1, n times and then at the end adding m to it */ y = add(m, n-1) + 1; … Read more
C Program find whether a Number is Prime Or Composite using Recursion Prime Number: A number that is only divisible by 1 and itself. Composite Number: A number that is not a prime number. Note: 1 is neither prime nor composite. Below is a program to find whether the user input number is a prime number or a … Read more
SVG <circle> SVG Circle – <circle> The <circle> element is used to create a circle. Example : <!DOCTYPE html> <html> <body> <svg height=”100″ width=”100″> <circle cx=”50″ cy=”50″ r=”40″ stroke=”black” stroke-width=”3″ fill=”red” /> Sorry, your browser does not support inline SVG. </svg> </body> </html>
SVG – Scalable Vector Graphics <!DOCTYPE html> <html> <body> <h1>My first SVG</h1> <svg width=”100″ height=”100″> <circle cx=”50″ cy=”50″ r=”40″ stroke=”green” stroke-width=”4″ fill=”yellow” /> Sorry, your browser does not support inline SVG. </svg> </body> </html> Output: SVG stands for Scalable Vector Graphics. SVG defines vector-based graphics in XML format. What is SVG? SVG stands for … Read more
C++ Hello World Let’s break up the following code to understand it better: Example #include <iostream> using namespace std; int main() { cout << “Hello World!”; return 0; } Example explained Line 1: #include <iostream> is a header file library that lets us work with input and output objects, such as cout (used in line 5). Header files add functionality to C++ programs. Line … Read more
PHP MySQL connector Example: <html> <head> <title>Connecting MySQL Server</title> </head> <body> <?php $dbhost = ‘localhost:3306’; $dbuser = ‘guest’; $dbpass = ‘guest123’; $conn = mysql_connect($dbhost, $dbuser, $dbpass); if(! $conn ) { die(‘Could not connect: ‘ . mysql_error()); } echo ‘Connected successfully’; mysql_close($conn); ?> </body> </html> PHP 5 and later can work with a MySQL database using: … Read more
LOCATE() – MySQL Function The LOCATE() function returns the position of the first occurrence of a substring in a string. If the substring is not found within the original string, this function returns 0. This function performs a case-insensitive search. LOCATE(substring, string, start) Parameter Description substring Required. The substring to search for in string string … Read more
time_to_sec MySQL function The TIME_TO_SEC() function converts a time value into seconds. SELECT TIME_TO_SEC(“19:30:10”); Output: 70210 SELECT TIME_TO_SEC(“-03:30:00”); Output: -12600 PHP MySQL Program example of time_to_sec <!doctype html> <html lang=”en”> <head> <meta charset=”utf-8″> <meta name=”viewport” content=”width=device-width, initial-scale=1″> <title>example-time_to_sec-function – php mysql examples | w3resource</title> <meta name=”description” content=”PHP MySQL PDO Example”> <link rel=”stylesheet” href=”https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css”> </head> <body> … Read more
CONCAT() Function – MySQL MySQL has the CONCAT() function, which allows you to concatenate two or more strings. The function actually allows for one or more arguments, but its main use is to concatenate two or more strings. CONCAT (string1, string2,…) Arguments string1 First string to be joined. string2 Second string to be joined. Up … Read more
TIMEDIFF – MySQL Function This returns the difference between two datetime expressions: For example: SELECT TIMEDIFF(“2020-05-10 13:10:11”, “2020-05-05 13:10:10”); Output: 120:00:01 Let’s Understand the few things about timediff function The TIMEDIFF() function returns the difference between two time/datetime expressions. time1 and time2 should be in the same format, and the calculation is time1 – time2. … Read more