Free Programming Source Codes and Computer Programming Tutorials

Tuesday, January 25, 2022

Prime Numbers in PHP

A simple program to ask the user to give a number and then it will display if the given number is a prime number or not using PHP programming language.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details. If you want to advertise on my website kindly contact me also in my email address also. Thank you.


My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

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Program Listing
index.php
<?php
    if (isset($_POST["txtNumber"])) {
        $MyNum = $_POST["txtNumber"];
        $n = 0;

        for ($i = 2; $i < $MyNum; $i++) {
            if ($MyNum % $i == 0) {
                $n++;
                break;
            }
        }

        if ($n == 0) {
            $output = $MyNum . " is a prime number.";
        } else {
            $output = $MyNum . " is not a prime number.";
        }
    }

?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Prime Numbers in PHP</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body style="font-family:'Lucida Sans', sans-serif;">
    <main class="container d-flex justify-content-center align-items-center" style="min-height: 100vh;">
        <div class="card p-3">
            <div class="card-body text-center">
                <div class="alert alert-primary mt-2" role="alert">
                    <h2 class="mb-2 text-uppercase">Prime Numbers in PHP</h2>
                    <p class="mb-0">Created By:</p>
                    <h5 class="lh-1">&#187; Jake R. Pomperada, MAED-IT, MIT &#171;</h5>    
                </div>

                <form class="my-3" action="" method="POST">
                    <div class="mb-1">
                        <label for="txtNumber" class="form-label">Enter a number</label>
                        <input type="text" class="form-control form-control-sm" name="txtNumber" id="txtNumber">
                    </div>
                    <button type="button" class="btn btn-primary btn-sm w-100">Submit</button>
                </form>
                <?php
                    if (isset($output)) {
                        echo '<div class="alert alert-primary mt-2" role="alert">
                                '.$output.'
                            </div>';
                    }
                ?>
            </div>
        </div>
    </ma>
</body>
</html>

Average Student Grades Using For Loop and Arrays in C++

A simple program to ask the user to give five grades of the students and then the program will compute the average grade of the student using a C++ programming language.


My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

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Program Listing
grades.cpp
#include <iostream>
#include <numeric>
#include <array>

constexpr int NumGrades = 5;

int main()
{
	std::array<int, NumGrades> grades;

    std::cout <<"\n\n";
    std::cout << "\tAverage Student Grades Using For Loop and Arrays in C++";
    std::cout <<"\n\n";
	for (int i = 0; i < NumGrades; ++i)
	{
			std::cout << "\tEnter Student Grade No. " << i+1 << " : ";
			std::cin >> grades[i];
	}
	auto sum_grades = std::accumulate(grades.cbegin(), grades.cend(), 0);
	auto avg_grade = sum_grades / NumGrades;

	std::cout <<"\n\n";
	std::cout << "\tThe Average Student Grades : " << avg_grade;
	std::cout <<"\n\n";
    std::cout << "\tEnd of Program";
    std::cout <<"\n\n";
}

Monday, January 24, 2022

Student Average Grade Using For Loop, and Arrays in C

A simple program to ask the user to give five grades and then the program will compute the average grade of the students using for loop statements and arrays in the c programming language.


My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg




Program Listing
#include <stdio.h>

#define NUM_GRADES	5

int accumulate(int grades[])
{
	int sum = 0;
	for (int i = 0; i < NUM_GRADES; ++i)
	{
		sum += grades[i];
	}
	return sum;
}


int main()
{
	int grades[ NUM_GRADES ] = { 0 };

	printf("\n\n");
	printf("\tStudent Average Grade Using For Loop, and Arrays in C");
	printf("\n\n");
	for (int i = 0; i < NUM_GRADES; ++i)
	{
		printf("\tEnter grade #%d: ", i+1);
		scanf("%d", &grades[i]);
	}
	int sum_grades = accumulate(grades);
	int avg_grade = sum_grades / NUM_GRADES;

	printf("\tThe Average Grade: %d", avg_grade);
	return 0;
}

Sunday, January 23, 2022

Reverse a Number Using ng-app in AngularJS

Machine Problem

Write a program that uses ng-app directive that will ask the user to give a number and then the program will display the original, and reverse arrangement of the given number by the user.


My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg




Program Listing
<!-- index.htm
  Author   : Prof. Jake Rodriguez Pomperada, MAED-IT, MIT
  Date     : July 26, 2021 Monday 1:08 PM
  Place    : Bacolod City, Negros Occidental
  Websites : www.jakerpomperada.com and www.jakerpomperada.blogspot.com
  Email    : jakerpomperada@gmail.com
 -->
<html>
<head> 
<title>Reverse a Number Using ng-app in AngularJS</title>
</head>
<style>
body {
   font-family: "arial";
   font-style: bold;
   font-size: 18px;
  }
 </style>
<script type="text/javascript" src="angular.min.js"></script>
<body><br>
<h3>Reverse a Number Using ng-app in AngularJS</h3>
<body>
<div ng-app="myApp" ng-controller="myController">
Give a Number &nbsp;&nbsp;<input type="number" ng-model="val_number" /> 
<br/><br>
        <button ng-click="Reverse_Number()"
        title="Click here to reverse the given number.">Ok</button>
         <br><br>
  {{original_number}}
      <br/><br>
 {{reverse_number}}
    </div>
    <script>
        var ngApp = angular.module('myApp', []);

        ngApp.controller('myController', function ($scope) {

          $scope.Reverse_Number=function()
      {
        var a,b,temp=0,reverse_number=0;
        var original_number=0, display=0;

        display = $scope.val_number;

        b=$scope.val_number;
          while($scope.val_number>0)
            {
              a=$scope.val_number%10;
               $scope.val_number=parseInt($scope.val_number/10);
             temp=temp*10+a;
            }    
         $scope.original_number ="The original number is " 
                               + display +".";;
         $scope.reverse_number ="The reverse number is " + temp +".";
          }
       
        });
    </script>
    <br>
    
</body>
</html>
</body>
</html>

Largest of Three Numbers in Python

A program asks the user to give three numbers and then the program will check which of the three numbers is the largest number using Python programming language.


My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

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Program Listing

# To find the largest of three numbers

print()
print("\tLargest of Three Numbers in Python");
print()

# take inputs
num1 = int(input('\tEnter first number: '))
num2 = int(input('\tEnter second number: '))
num3 = int(input('\tEnter third number: '))

# find largest numbers
if (num1 >= num2) and (num1 >= num3):
    largest = num1
elif (num2 >= num1) and (num2 >= num3):
    largest = num2
else:
    largest = num3

# display result
print();
print('\tThe largest number = ', largest)
print();
print("\tEND OF PROGRAM");
print();

Saturday, January 22, 2022

Login Error in Computer Programming Using C++

ARNOLD SCHWARZENEGGER Involved sa isang Car Accident

Prime Number in C

A simple program asks the user to give a number and then the program will check if the given number is a prime number or not using a c programming language.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg





Program Listing

#include <stdio.h>

int main()
{
    int a=0,i=0,flag=0;
    
    printf("\n\n");
    printf("\tGive a number: ");
    scanf("%d",&a);
    
	printf("\n");
    flag=0;
    for(i=2;i <= a/2;i++)
    {
        if(a%i == 0)
        {
            flag=1;
            break;
         }
    }
    if(flag==0)
        printf("\tThe given number %d is a Prime Number.",a);
    else
          printf("\tThe given number %d is Not a Prime Number.",a);
    printf("\n\n");
    printf("\tEnd of Program");
    printf("\n");
    return 0;
}

Friday, January 21, 2022

Arrays in PHP

A simple program to demonstrate arrays in PHP programming language.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg





Program Listing

<?php

 print("Arrays in PHP");
 echo "<br>";
$square = array('one' => 'one', 'two' => 'four', 'three' => 'nine');

echo "The square of 1 is {$square['one']}.";
echo "<br>";
echo "The square of 2 is " . $square['two'] . ".";
echo "<br>";
echo "The square of 3 is " . $square['three'] . ".";
?>

String Concatenation in PHP

A simple program to demonstrate string concatenation in PHP programming language.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Please subscribe to my channel https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg

Program Listing

<?php echo "String Concatenation in PHP"; echo "<br><br>"; $title = "PHP "; $title .= " Programming "; $title .= " Language"; echo $title; ?>

Comments in PHP

A simple article that shows the different types of comments in the PHP programming language.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Please subscribe to my channel https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg

Program Listing

<?php print("Comments in PHP"); echo "<br><br>"; echo "line 1\n"; // comment1 /* comment 2 another line of comment 2*/ echo "line 2\n"; echo "line 3\n"; # comment 3 ?>

Thursday, January 20, 2022

Addition of Three Numbers Using Functions in C#

A program that will ask the user to give three numbers and then the program will compute the sum of three numbers using a function in C# programming language.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg



Program Listing

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        public static int Addition_Three_Numbers(int num1, int num2, int num3)
        {
            int total_sum = (num1 + num2 + num3);
            return total_sum;
        }
        
        static void Main(string[] args)
        {
            int num1, num2, num3, sum;

            Console.WriteLine("\n");
            Console.Write("\tAddition of Three Numbers Using Functions in C#");
            Console.WriteLine("\n");
            Console.Write("\tGive First  Value : ");
            num1 = Convert.ToInt32(Console.ReadLine());
            Console.Write("\tGive Second Value : ");
            num2 = Convert.ToInt32(Console.ReadLine());
            Console.Write("\tGive Third Value  : ");
            num3 = Convert.ToInt32(Console.ReadLine());
            sum = Addition_Three_Numbers(num1, num2, num3);
            Console.WriteLine();
            Console.WriteLine("\tThe Total Sum is  " + sum + ".");
            Console.WriteLine();
            Console.WriteLine("\tEnd of Program");
            Console.WriteLine();
            Console.ReadKey();
        }
    }
}

Wednesday, January 19, 2022

Days of the Week Using Switch Statement in C

A simple program that will ask the user to give a number from 1 to 7 which represents days of the week like 1 - Monday, 2 - Tuesday, 3 - Wednesday, 4 - Thursday, 5-Friday, 6-Saturday, 7- Sunday using switch statement in C programming language.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.




Program Listing
days.c

#include<stdio.h>
#include<conio.h>

void main()
{
int day=0;
printf("\n\n");
printf("\tDays of the Week Using Switch Statement in C");
printf("\n\n");
printf("\tGive a Day : ");
scanf("%d",&day);
printf("\n");
switch(day)
{

case 1:
{
printf("\tThe given day is Monday.");
break;
}
  case 2:
{
printf("\tThe given day is Tuesday.");
break;
}
case 3:
{
printf("\tThe given day is Wednesday.");
break;
}
case 4:
{
printf("\tThe given day is Thursday.");
break;
}
case 5:
{
printf("\tThe given day is Friday.");
break;
}
  case 6:
{
printf("\tThe given day is Saturday.");
break;
}
case 7:
{
printf("\tThe given day is Sunday.");
break;
}
default:
{
printf("\tInvalid day number");
}
}
printf("\n\n");
printf("\tEnd of Program");
printf("\n\n");
getch();
}

Two Decimal Places in Java

A simple program to demonstrate how to declare and use two decimal places in Java programming language.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.





Program Listing



import java.text.DecimalFormat;

public class Two_Decimal {
	
	private static final DecimalFormat df = new DecimalFormat("0.00");

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		

        double temp = 123.785;
        
        System.out.print("\n\n");
        System.out.print("\tTwo Decimal Places in Java");
        System.out.print("\n\n");
        System.out.println("\tTemperature Value : " + temp);
        System.out.print("\n");
        System.out.println("\tTwo Decimal Value Equivalent  " + df.format(temp));    

	}

}

Tuesday, January 18, 2022

Two Decimal Places in C++

A simple program that I wrote using C++ programming language to demonstrate two decimal places.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Program Listing

#include <iostream>

#include <iomanip>

using std::string;

int main() {

float temperature = 123.3567;

std::cout <<"\n";

std::cout <<"\tTwo Decimal Places in C++";

std::cout <<"\n\n";

std::cout << std::fixed;

std::cout << std::setprecision(2);

std::cout <<"\tThe temperature is " << temperature <<"\n";

std::cout <<"\n";

std::cout <<"\tEnd of Program";

std::cout <<"\n";

return 0;

}

Monday, January 17, 2022

Sum of Diagonal Elements in a Matrix in Java

A simple program to show how to solve the sum of diagonal elements in a matrix using Java programming language.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.




Program Listing

import java.util.*;

class matrix
{  
	public static void main(String args[])
	{
		Scanner sc = new Scanner(System.in);
		
	        int i,j,row,col,sum=0;
		System.out.println("Enter the number of rows:");
		row = sc.nextInt();
		System.out.println("Enter the number of columns:");
		col = sc.nextInt();

		int[][] mat = new int[row][col];
 
    		System.out.println("Enter the elements of the matrix") ;
    		for(i=0;i<row;i++)
    		{ 
	    		for(j=0;j<col;j++)
	    		{ 
	        		mat[i][j] = sc.nextInt();
    			}
		}
		
    		System.out.println("The elements of the matrix") ;
    		for(i=0;i<row;i++)
    		{ 
	    		for(j=0;j<col;j++)
	    		{ 
	       	 		System.out.print(mat[i][j]+"\t");
    			}
      	 		System.out.println("");
		}

    		for(i=0;i<row;i++)
    		{ 
	    		for(j=0;j<col;j++)
	    		{ 
				if(i+j==2)	//this condition checks for diagonal
				{
					sum = sum + mat[i][j];
				}
    			}
		}

    		System.out.printf("SUM of DIAGONAL elements of the matrix = "+sum) ;
 	}	
}

Sunday, January 16, 2022

String Compare in C++

A program that demonstrates how to use the string compare function of the C++ programming language.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.





Program Listing

#include <iostream>
#include <cstring>

using namespace std;

int main()
{
	char str1[100]="Computer";
	char str2[100]="Computer";
	
	cout <<"\n";
	cout << "\tString Compare in C++";
	cout <<"\n\n";
	if(strcmp(str1,str2)==0)
	   cout<<"\tThe result is true."<<endl;
	else
	  cout<<"\tThe result is false.\n";
	cout <<"\n";
	cout << "\tEnd of Program";
	cout <<"\n";
}

Saturday, January 15, 2022

Kilograms to Pounds In PHP

Kilograms To Pounds in PHP

A simple program to ask the user value in kilograms and then it will convert into pounds equivalent using PHP programming language.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.




Program Listing

<?php 
    $value_in_lb = "";

    if (isset($_POST["txtValueInKg"])) {
        $value_in_lb = (int)$_POST["txtValueInKg"] * 2.20462262185;
        $value_in_lb = round($value_in_lb, 2);

        $value_in_lb = "<strong>". $_POST["txtValueInKg"] ."</strong>".
                            " kg is equal to <strong>". $value_in_lb ."</strong> lb";
    }
?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Feet To Inches in PHP</title>
    <style>
        *,html {
            box-sizing: border-box;
            padding: 0;
            margin: 0;
        }

        body {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            background: #fefefe;
            font-family: sans-serif;
            background-color: #2196f3;
        }

        .container {
            background: #fff;
            border: none;
            text-align: center;
            color: #fff;
            width: 500px;
        }

        .title {
            background-color: #0474cd;
            padding: 20px;
            border: none;
        }

        .wrapper {
            padding: 30px 20px;
            font-size: 20px;
            background-color: #fff;
            border: none;
            color: #0474cd;
        }

        form {
            margin-bottom: 20px;
        }

        h1 {
            margin: 0 0 5px;
            line-height: 1;
        }

        p {
            margin: 15px 0 0;
        }
        
        input {
            display: block;
            width: 100%;
            margin-bottom: 20px;
            padding: 10px;
            font-size: 15px;
            text-align: center;
        }

        .output {
            margin: 10px 0;
        }

        button {
            background-color: #0474cd;
            color: #fff;
            border: none;
            border-radius: 2px;
            text-align: center;
            text-transform: uppercase;
            text-decoration: none;
            cursor: pointer;
            font-size: 15px;
            padding: 15px 10px;
            width: 100%;
            display: block;
            margin: 20px 0 0;
        }
    </style>
</head>
<body>
<div class="container">
        <div class="title">
            <h1>Kilograms to Pounds In PHP</h1>
            <p>Created By:</p>
            <h2>&#187; Jake R. Pomperada, MAED-IT, MIT &#171;</h2>
        </div>
        <div class="wrapper">
            <form action="" method="post">
                <label>Enter a number here</label>
                <input type="number" name="txtValueInKg" required>

                <button type="submit" name="btnSubmit">Convert</button>
            </form>
            <?php echo $value_in_lb;?>
        </div>
    </div>
</body>
</html>

Making an Executable File in Python

In this article, I will show you how to create an executable file in a python programming language.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.