Free Programming Source Codes and Computer Programming Tutorials

Monday, May 23, 2022

Decimal To Hexadecimal in PHP

A simple program to ask the user to give a decimal value and then convert it into hexadecimal equivalent using PHP programming language.

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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

=================================================

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GCash Account

Jake Pomperada

09173084360

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Thank you very much for your support.

Program Listing

index.htm

<?php

$output = "";

if (isset($_POST["txtNumber"])) {

$output = '<div class="output">Hexadecimal Value = '.

dechex($_POST["txtNumber"]).

'</div>';

}

<!DOCTYPE html>

<head>

<title>Decimal To Hexadecimal In PHP</title>

<style>

* {

box-sizing: border-box;

margin: 0;

padding: 0;

}

body {

background-color: #eee;

min-height: 100vh;

display: flex;

justify-content: center;

align-items: center;

font-family: sans-serif;

}

form {

background: #fff;

padding: 30px;

border-radius: 10px;

}

h2 {

margin-bottom: 20px;

}

label,

input,

button {

display: block;

width: 100%;

font-size: 14px;

}

label {

padding: 5px 0;

}

input {

padding: 5px;

margin-bottom: 5px;

}

button {

padding: 8px 0;

background-color: #03a9f4;

border: none;

border-radius: 3px;

color: #fefefe;

cursor: pointer;

}

.output {

margin-top: 10px;

background-color: #607d8b;

padding: 12px 0;

color: #fefefe;

text-align: center;

}

</style>

</head>

<body>

<h1>Decimal To Hexadecimal In PHP</h1>

<h2>Jake R. Pomperada, MAED-IT, MIT</h2>

<label for="txtNumber">Enter a number to convert:</label>

<input type="number" name="txtNumber" id="txtNumber" value="<?= isset($_POST["txtNumber"])?$_POST["txtNumber"]:""; ?>" autofocus>

<button type="submit">Convert To Hexadecimal</button>

<?= $output; ?>

</form>

</body>

</html>

Sunday, May 22, 2022

Coin Flips Simulation in C++

A simple coin flips simulation in 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

=================================================

Want to support my channel?

GCash Account

Jake Pomperada

09173084360

Paypal

https://paypal.me/jakerpomperada

Patreon

https://www.patreon.com/jakerpomperada

Thank you very much for your support.

Program Listing

#include <iostream>

#include <random>

#include <chrono>

using namespace std;

int main()

{

std::default_random_engine generator;

std::uniform_int_distribution<int> distribution(0,1);

generator.seed(time(0));

int flips{};

cout <<"\n\n";

cout << "\tCoin Flips Simulation in C++";

cout <<"\n\n";

cout << "\tHow many flips : ";

cin >> flips;

//you should not time the cin statement, as that introduces user

//response time in result.

cout <<"\n\n";

auto start = chrono::steady_clock::now();

int heads{};

for(int i{}; i<flips; i++)

{

heads += distribution(generator);

}

cout << "\theads: " << heads << " tails: " << flips-heads << endl;

auto end = chrono::steady_clock::now();

cout <<"\n\n";

cout << "\tElapsed time: "

<< chrono::duration_cast<chrono::milliseconds>(end - start).count()

<< "ms\n";

cout <<"\n\n";

cout << "\tEnd of Program";

cout <<"\n\n";

}

Saturday, May 21, 2022

Sum, Average, Minimum and Maximum Values in C#

A simple program to solve the sum, average, minimum and maximum values in 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

=================================================

Want to support my channel?

GCash Account

Jake Pomperada

09173084360

Paypal

https://paypal.me/jakerpomperada

Patreon

https://www.patreon.com/jakerpomperada

Thank you very much for your support.

Program Listing

using System;

using System.Linq;

class Max_Min

{

static void Main(string[] args)

{

double[] numbers = { 1.2, 9.3, 1.6, 2.5 };

DisplayArray(numbers);

Sum_Average(numbers);

Max_Value(numbers);

Min_Value(numbers);

Console.ReadKey();

}

private static void Min_Value(double[] numbers)

{

double min = numbers.Min();

Console.WriteLine("Min is " + min);

}

private static void Max_Value(double[] numbers)

{

double max = numbers.Max();

Console.WriteLine("Max is " + max);

}

private static void Sum_Average(double[] numbers)

{

double sum = numbers.Sum();

double avg = numbers.Average();

Console.WriteLine("Total is " + sum);

Console.WriteLine("Average is " + avg);

}

private static void DisplayArray(double[] numbers)

{

Console.WriteLine("These are the elements in the array:");

Console.Write("| ");

foreach(double num in numbers)

Console.Write(num + " | ");

Console.WriteLine("\n");

}

Friday, May 20, 2022

Decimal To Octal in PHP

A program that will ask the user to give a decimal number and then it will convert into octal equivalent using 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

=================================================

Want to support my channel?

GCash Account

Jake Pomperada

09173084360

Paypal

https://paypal.me/jakerpomperada

Patreon

https://www.patreon.com/jakerpomperada

Thank you very much for your support.

Program Listing

index.htm

<?php

$output = "";

if (isset($_POST["txtNumber"])) {

$output = '<div class="output">Octal Value = '.

decoct($_POST["txtNumber"]).

'</div>';

}

<!DOCTYPE html>

<head>

<title>Decimal To Octal In PHP</title>

<style>

* {

box-sizing: border-box;

margin: 0;

padding: 0;

}

body {

background-color: #eee;

min-height: 100vh;

display: flex;

justify-content: center;

align-items: center;

font-family: sans-serif;

}

form {

background: #fff;

padding: 30px;

border-radius: 10px;

}

h2 {

margin-bottom: 20px;

}

label,

input,

button {

display: block;

width: 100%;

font-size: 14px;

}

label {

padding: 5px 0;

}

input {

padding: 5px;

margin-bottom: 5px;

}

button {

padding: 8px 0;

background-color: #03a9f4;

border: none;

border-radius: 3px;

color: #fefefe;

cursor: pointer;

}

.output {

margin-top: 10px;

background-color: #607d8b;

padding: 12px 0;

color: #fefefe;

text-align: center;

}

</style>

</head>

<body>

<h1>Decimal To Octal In PHP</h1>

<h2>Jake R. Pomperada, MAED-IT, MIT</h2>

<label for="txtNumber">Enter a number to convert:</label>

<input type="number" name="txtNumber" id="txtNumber" value="<?= isset($_POST["txtNumber"])?$_POST["txtNumber"]:""; ?>" autofocus>

<button type="submit">Convert To Octal</button>

<?= $output; ?>

</form>

</body>

</html>

Odd and Even Numbers Using ng-init in AngularJS

Machine Problem

Write a program that uses ng-init directive that will check if the given number is an even or odd, and display the results on the screen.

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

=================================================

Want to support my channel?

GCash Account

Jake Pomperada

09173084360

Paypal

https://paypal.me/jakerpomperada

Patreon

https://www.patreon.com/jakerpomperada

Thank you very much for your support.

Program Listing

index.htm

<!-- index.htm

Author : Prof. Jake Rodriguez Pomperada, MAED-IT, MIT

Date : July 29, 2021 Thursday 10:00 AM

Place : Bacolod City, Negros Occidental

Websites : www.jakerpomperada.com and www.jakerpomperada.blogspot.com

Email : jakerpomperada@gmail.com

-->

<html>

<head>

<title>Odd and Even Numbers Using ng-init in AngularJS</title>

</head>

<style>

body {

font-family: "arial";

font-style: bold;

font-size: 18px;

}

</style>

<h3>Odd and Even Number Using ng-init in AngularJS</h3>

<body>

angular.module('app', []).filter('Check_Number', function() {

return function(given_number) {

if (given_number % 2 === 0)

{

display = "The given number " + given_number +

" is an Even Number.";

}

else

{

display = "The given number " + given_number +

" is an Odd Number.";

}

return(display);

};

});

</script>

<p> {{ given_number | Check_Number}}</p>

</div>

</body>

</html>

Thursday, May 19, 2022

User Defined Method and Arrays in Java

User Defined Methods and Arrays in Java

A Java program to demonstrate how to declare and use user-defined methods and arrays.

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

=================================================

Want to support my channel?

GCash Account

Jake Pomperada

09173084360

Paypal

https://paypal.me/jakerpomperada

Patreon

https://www.patreon.com/jakerpomperada

Thank you very much for your support.

Program Listing

Max_Min.java

public class Max_Min {

public static void main(String[] args) {

// TODO Auto-generated method stub

double[] myList = {1.2, 9.3, 1.6, 2.5}; // Declare the array; assign values into array

// Call the dispArray user-defined method to display the array contents to screen.

dispArray(myList);

Sum_Average(myList);

Max_Value(myList);

Min_Value(myList);

}

public static void dispArray(double[] myList) {

// Print all the array elements

System.out.println("These are the elements in the array:");

System.out.print("|");

for (int i = 0; i < myList.length; i++) {

System.out.print(myList[i] + "|");

}

System.out.println();

}

private static void Sum_Average(double[] myList) {

// Summing and averaging all elements

double sum = 0;

for (int i = 0; i < myList.length; i++) {

sum += myList[i];

}

System.out.println();

System.out.println("Total is " + sum);

System.out.println("Average is " + (sum / myList.length));

}

private static void Max_Value(double[] myList) {

// Finding the largest element

double max = myList[0];

for (int i = 1; i < myList.length; i++) {

if (myList[i] > max) max = myList[i];

}

System.out.println("Max is " + max);

}

private static void Min_Value(double[] myList) {

// Finding the smallest element

double min = myList[0];

for (int i = 1; i < myList.length; i++) {

if (myList[i] < min) min = myList[i];

}

System.out.println("Min is " + min);

}

} // End of Code

Wednesday, May 18, 2022

Add and Divide Two Numbers in C++

A simple program that will ask the user to give two numbers and then the program computes the sum and quotient of the two given numbers 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.

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

=================================================

Want to support my channel?

GCash Account

Jake Pomperada

09173084360

Paypal

https://paypal.me/jakerpomperada

Patreon

https://www.patreon.com/jakerpomperada

Thank you very much for your support.

Program Listing

#include <iostream>

int main()

{

double val1, val2;

std::cout << std::endl <<std::endl;

std::cout <<"\tAdd and Divide Two Numbers in C++";

std::cout << std::endl <<std::endl; ;

std::cout << "\tGive Two Numbers : ";

std::cin >> val1 >> val2;

std::cout << std::endl;

std::cout <<std::endl;

// addition of two numbers

std::cout <<"\t" <<val1 << "+" << val2 << " = "<< val1+val2

<< std::endl << std::endl;

// division of two numbers

std::cout <<"\t" << val1 << "/" << val2 << " = "<<val1/val2 << std::endl;

std::cout << std::endl<<std::endl;

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

std::cout << std::endl;

return 0;

}

My mobile number here in the Philippines is 09173084360.

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

=================================================

Want to support my channel?

GCash Account

Jake Pomperada

09173084360

Paypal

https://paypal.me/jakerpomperada

Patreon

https://www.patreon.com/jakerpomperada

Thank you very much for your support.

Program Listing

<?php

$output = "";

if (isset($_POST["txtNumber"])) {

$output = '<div class="output">Binary Value = '.

decbin($_POST["txtNumber"]).

'</div>';

}

<!DOCTYPE html>

<head>

<title>Decimal To Binary In PHP</title>

<style>

* {

box-sizing: border-box;

margin: 0;

padding: 0;

}

body {

background-color: #eee;

min-height: 100vh;

display: flex;

justify-content: center;

align-items: center;

font-family: sans-serif;

}

form {

background: #fff;

padding: 30px;

border-radius: 10px;

}

h2 {

margin-bottom: 20px;

}

label,

input,

button {

display: block;

width: 100%;

font-size: 14px;

}

label {

padding: 5px 0;

}

input {

padding: 5px;

margin-bottom: 5px;

}

button {

padding: 8px 0;

background-color: #4caf50;

border: none;

border-radius: 3px;

color: #fefefe;

cursor: pointer;

}

.output {

margin-top: 10px;

background-color: #472781;

padding: 12px 0;

color: #fefefe;

text-align: center;

}

</style>

</head>

<body>

<h1>Decimal To Binary In PHP</h1>

<h2>Jake R. Pomperada, MAED-IT, MIT</h2>

<label for="txtNumber">Enter a number to convert:</label>

<input type="number" name="txtNumber" id="txtNumber" value="<?= isset($_POST["txtNumber"])?$_POST["txtNumber"]:""; ?>" autofocus>

<button type="submit">Convert To Binary</button>

<?= $output; ?>

</form>

</body>

</html>

Free Programming Source Codes and Computer Programming Tutorials

Monday, May 23, 2022

Decimal To Hexadecimal in PHP

Sunday, May 22, 2022

Coin Flips Simulation in C++

Coin Flips Simulation in C++

Saturday, May 21, 2022

Sum, Average, Minimum and Maximum Values in C#

Sum, Average, Minimum and Maximum Values in C#

Friday, May 20, 2022

Decimal To Octal in PHP

Decimal To Octal in PHP

Odd and Even Numbers Using ng-init in AngularJS

Odd and Even Numbers Using ng-init in AngularJS

Thursday, May 19, 2022

User Defined Method and Arrays in Java

User Defined Methods and Arrays in Java

Wednesday, May 18, 2022

Add and Divide Two Numbers in C++

Add and Divide Two Numbers in C++

Tuesday, May 17, 2022

How To Check Java Version

Decimal To Binary in PHP

Decimal To Binary In PHP

Monday, May 16, 2022

Reverse a String in C++

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