The most viewed posts

ZilaStar ICT May 01 2026, 11:16:03

How to set up a professional development environment using Laravel Herd and MariaDB
Category : PHP Tutorials

This is the exact modern stack I use for building fast, reliable PHP applications.

In this video, we will:

Download and install Laravel Herd (the fastest native PHP environment).

Set up MariaDB (our powerful, open-source database).

If you already have these installed, follow along with the configuration steps in the video.

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ZilaStar ICT Jan 26 2026, 09:19:14

PHP Data Masking: Real-World Privacy in 2026 Explained
Category : PHP Tutorials

#PHP Code

<?php
if(isset($_POST['username']) && isset($_POST['phone'])){
$username = $_POST['username'];
$phone = $_POST['phone'];
if(!empty($username) && !empty($phone)){
$result = preg_replace('/.(?=.{4})/', "#", $phone);
echo 'Username = ' .$username;
echo '<br/>';
echo 'Phone = ' .$result;
}else{
echo 'All fields are requied to fill.';
}
}
?>

#HTML Code

<form action="" method="post">
<div class="form-group">
<div class="form-control">
<label for="">Username</label>
<input type="text" name="username" id="">
</div>
<div class="form-control">
<label for="">Phone No.</label>
<input type="text" name="phone" id="">
</div>
<div class="form-control">
<input type="submit" value="Submit">
</div>
</div>
</form>

#CSS Code

body{
text-align: center;
}
form{
position: relative;
display: grid;
grid-auto-flow: column;
justify-items: center;

}
.form-group{
width: 320px;
padding: 20px;
border: 1px solid #ccc;
border-radius: 5px;
}
.form-control{
padding: 20px;
}
input[type=submit]{
cursor: pointer;
padding: 5px 10px;
}

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ZilaStar ICT Dec 01 2025, 19:21:18

CSS Rules
Category : CSS Tutorials

CSS rule is a fundamental building block of cascading style sheets. We use it to style HTML Elements.

A rule consists of:

Selector -> which elements the rules applied to

Declaration block -> one or more style declarations inside { }

Declaration -> property + value pair

CSS Rule Structure

Selector{

Property: value

}

. Selector: Targets HTML Elements (head, body, div, p, etc.)

. Property: The style you want to change (color, font-size, padding, etc.)

. Value: The settings for that property (red, 13px, 10px, etc.)

Types of CSS Rules

Element selector -> p {font-size: 12px;}

Class selector -> .div{padding: 10px;}

ID selector -> #body{background-color: wheat;}

Group selector -> h1, body, div, p{font-family: arial;}

Descendant selector -> div p{font-size: 12px;}

Pseudo-classes -> a:hover{color: blue;}

Pseudo-elements -> p::first-line{font-weight: bold;}

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ZilaStar ICT Nov 30 2025, 18:23:30

How to validate HTML Form with JavaScript
Category : JavaScript Tutorials

# HTML #

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="formvalidate.css">
    <script src="formvalidate.js"></script>
</head>
<body>
    <form action="formvalidate.html" method="post" 
    onsubmit="return formValidate();" id="myForm">
        <div class="form-group">
            <div class="form-control">
                <label for="">Fullname</label>
                <input type="text" name="fullname" id="fullname" onkeyup="chkFullname()">
            </div>
            <div class="form-control">
                <label for="">Username</label>
                <input type="text" name="username" id="username" onkeyup="chkUsername()">
            </div>
            <div class="form-control">
                <input type="submit" value="Submit" class="btn-submit">
            </div>
        </div>
    </form>
</body>

# CSS #

.form-group{
    position: relative;
    width: 320px;
    border: 1px solid #ccc;
    border-radius: 5px;
    padding: 10px;
}
.form-control{
    position: relative;
    padding: 10px;
    display: grid;
    grid-auto-flow: column;
    justify-items: center;
}
.btn-submit{
    cursor: pointer;
}

# JavaScript #

function formValidate(){
    var x = document.forms["myForm"]["fullname"].value;
    var y = document.forms["myForm"]["username"].value;
    if(x == ""){
        alert("Required to fill in Fullname.");
        return false;
    }
    if(y == ""){
        alert("Required to fill in Username.");
        return false;
    }
    if(x != "" && y != ""){
        document.writeln("Successfully submited.");
        document.writeln("<br/>");
        document.writeln("Fullname = " + x +".");
        document.writeln("<br/>");
        document.writeln("Username = " + y +".");
        return false;
    }
}

//We don't allow special characters in Fullname
//We will only allow a to z, A to Z, 0 to 9 and space.

function chkFullname(){
    var a = document.getElementById("fullname");
    a.value = a.value.replace(/[^a-zA-Z0-9 ]/g, '');
}

//We will change all letters into small letters
function chkUsername(){
    var b = document.getElementById("username");
    b.value = b.value.toLowerCase();
    b.value = b.value.replace(/[^a-zA-Z0-9]/g, '');//don't allow space
}

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ZilaStar ICT Nov 29 2025, 10:44:14

How to print a document or webpage
Category : JavaScript Tutorials

# HTML #

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="print.js"></script>
    <link rel="stylesheet" href="print.css">
</head>
<body>
    <button type="button" onclick="printDoc()">Print</button>
    <p id="myId">Hello, I am Thet Naing Win. Welcome to zilastar.com.</p>
</body>
</html>

# CSS #

body{
    color: red;
}

# JavaScript #

function printDoc(){
    var printDoc = document.getElementById("myId").innerHTML;
    var a = window.open('', '', 'width=auto; height=auto');
    a.document.write("<html><head><title>ZilaStar</title>");
    a.document.write("<link rel='stylesheet' href='print.css'>");
    a.document.write("</head>");
    a.document.write("<body>");
    a.document.write(printDoc);
    a.document.write("</body>");
    a.document.write("</html>");
    a.focus();
    setTimeout(function(){
        a.print();
        setTimeout(function(){
            a.close();
        }, 500)
    }, 500);
}

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ZilaStar ICT Apr 25 2025, 12:02:49

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ZilaStar ICT Feb 24 2025, 08:50:40

Ventoy for making a bootable usb drive
Category : Computer Knowledge

If you are preparing to create bootable usb stick and don't wanna use any command, Ventoy is suitable for you. It is open source software and so cool to use. You can use as many os iso files as your usb stick can store. If you wanna download it, please click here.

1 comment

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ZilaStar ICT Feb 24 2025, 08:39:10

Kaspersky virus removal tool
Category : Antivirus software and computer security

Kaspersky virus removal tool is one of the best free virus removal tools I've ever used. It is totally free and so cool to use. If you want to download it, please click here.

3 comments

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ZilaStar ICT Nov 26 2024, 16:13:26

How to add email accounts into outlook (for my customers only)
Category : News

I've made this video for those who are taking business email service from me. I hope this video will help you in adding the business email accounts into the outlook.

To change email password.

To download sample outlook file

Thank you so much.

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ZilaStar ICT Nov 21 2024, 11:21:50

Windows PC Health Check
Category : Computer Knowledge

We can use PC Health Check Application to check your computer meets with minimum system requirements or not to install Windows 11.

Moreover, you can also use it to rename your PC, to do windows back up, to do windows update, etc.

If you want to download it, please click here.

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Thet Myanmar Nov 18 2024, 09:19:46

Update drivers in windows computer
Category : Driver Software

We can use third party software such as driver easy and driver booster to update the drivers in windows. If you don't wanna use any third party software, you can update it manually. To update manually,

1. Press Windows key and R key at the same time. The run box will appear.

2. Type devmgmt.msc in it. Device manager window will appear.

3. If you see the drivers with warning sign (yellow sign), that driver is needed to be updated.

4. Expand the category with yellow sign.

5. Right click the driver with the yellow sign and click update driver. The window dialog box will appear.

6. Click search automatically for drivers. The windows will search appropriate drivers for your computer.

(Note: you need to have internet connection)

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Thet Myanmar Nov 17 2024, 09:40:46

Smadav
Category : Antivirus software and computer security

If you need to share your memory stick with others or you need to insert other memory sticks into your computer, you've better installed USB security guard software in your computer. Smadav is one of the best USB security guard software. If you wanna know about it, please click here.