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ZilaStar ICT Dec 16 2019, 11:54:07

Virtual Private Network (VPN)

I want to explain about VPN because some of my friends are confusing about VPN.

VPN is used to get secured network connection through Internet. The big companies also use VPN to get secured network connection in connecting offices, industries, etc., from different locations through the Internet. (for example, most of the banks use VPN).

Generally, there are two types of VPN.(More than two if detailed)

1. Side-to-Side VPN.

2. Remote Access VPN.

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ZilaStar ICT Dec 15 2019, 14:17:54

Server Operating Systems

What is Server?

Server is a computer that stores data and share with its clients. There are so many server operating systems such as Ubuntu, Redhat, CentOS, Fedora, Windows, etc,. In Windows Server, there are so many versions:

1. Windows Server 2003

2. Windows Server 2008

3. Windows Server 2012

4. Windows Server 2016

5. Windows Server 2019

Windows Server provides so many features such as DNS, DHCP, Active Directory (AD), File Sharing, Internet Information Service (IIS), Server Clustering, etc,.

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ZilaStar ICT Dec 14 2019, 21:21:53

Start creating basic xml file

<people>
<person>
<name>Thet Naing Win</name>
<dob>20.03.1987</dob>
<address>Yangon</address>
</person>

<person>
<name>Su Su</name>
<dob>01.10.1990</dob>
<address>Mandalay</address>
</person>

<person>
<name>Nu Nu</name>
<dob>02.02.1980</dob>
<address>Yangon</address>
</person>
</people>

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ZilaStar ICT Dec 13 2019, 10:40:10

Start embedding css in html

<!DOCTYPE html>
<html>
<head>
<title>TNW (Web Service & ICT Solutions)</title>
<style>
p{
color: red;
font-weight: bold;
}
</style>
</head>
<body>
<p>Page 1</p>
<p>Page 2</p>
</body>
</html>

 
Write the above codes and save it as test.html in somewhere. Try to open that file by double clicking and you will find it working.

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ZilaStar ICT Dec 13 2019, 10:31:53

HTML Development Environments

HTML development can be done in notepad that comes along with Windows, text editors, IDE Software and WYSIWYG (What You See Is What You Get).

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ZilaStar ICT Dec 13 2019, 09:39:03

What is HTML

HTML is Hypertext Markup Language. It is a standard markup language. It describes the structure of the web page and defines the contents. It is a language should be firstly learned for those who start to learn web programming.

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ZilaStar ICT Dec 12 2019, 11:19:54

JavaScript Constant

Example 1

<html>
<head>
<title>JS Constant</title>
</head>
<body>
<p id = "demo"></p>
<script>
const x = (x, y) => x * y;
document.getElementById("demo").innerHTML = x(8, 8);
</script>
</body>
</html>

 

Example 2

<html>
<head>
<title>JS Constant</title>
</head>
<body>
<p id = "demo"></p>
<script>
const x = (x, y, z) => (x + y + z);
document.getElementById("demo").innerHTML = x (4, 5, 6);
</script>
</body>
</html>

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ZilaStar ICT Dec 11 2019, 11:00:06

JavaScript Variable Naming

/*
//the first character is letter
var myName = "I am Thet Naing Win.";
document.write(myName);

//the first character is underscore
var _myAge = "I am 35 now.";
document.write(_myAge); 

//the first character is number. this is not valid naming.
var 1_myAge = "I am 35 now.";
document.write(1_myAge);

var myName1 = "I am Thet Naing Win.";
var myAge1 = "I am 35 now.";
document.write(myName1);
document.write(myAge1);


//we can not use punctuation marks
var myName, = "I am Thet Naing Win.";
document.write(myName,);

var _myAge = "I am 35 now.";
document.write(_myAge);

//proper variable name
var myNmae = "I am Thet Naing Win.";
document.write(myNmae);

//we can use very long variable name. but this is improper variable name
//so we should care in variable naming
var iamthetnaing = "I am Thet Naing Win.";
document.write(iamthetnaing); 

var while = "I am Thet Naing Win.";
document.write(while); */

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ZilaStar ICT Dec 10 2019, 12:50:48

JavaScript Variables

/*var a = "I am Thet Naing Win.";
let b = "I am from Myanmar.";
const c = "I currently stay in Yangon.";

document.write(a);
document.write(b);
document.write(c);

const a = "I am Thet Naing Win.";
const a = "Who are you?";
document.write(a);
*/

var tnwGlobal = "I am TNW Global."; // global variable

function tnwOne(){
    var tnwLocal = "I am TNW Local."; //local variable
    document.getElementById("global").innerHTML = tnwGlobal;
    document.getElementById("local").innerHTML = tnwLocal;
}

function tnwTwo(){
    document.getElementById("global").innerHTML = tnwGlobal;
    document.getElementById("local").innerHTML = tnwLocal; //local variable declared in tnwOne
}

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ZilaStar ICT Dec 09 2019, 12:35:22

Basic JavaScript Objects

/*var person = {
    firstname : "Thet",
    lastname : "Naing"
};

function tnwFun(){
    document.getElementById("demo").innerHTML = person.lastname;
}*/

var person = {
    firstname : "Thet",
    lastname : "Naing",
    fullname : function(){
        return person.firstname+ " " +person.lastname;
    }
}

function tnwFun(){
    document.getElementById("demo").innerHTML = person.fullname();
}

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ZilaStar ICT Dec 09 2019, 17:07:27

JavaScript Statements

var a = "I am Thet Naing Win."; // Statement one
var b = "I am from Myanmar."; // Statement two
var c = "I currently stay in Yangon."; // Statement three
/*
document.write(a);
document.write(b);
document.write(c);*/

function tnwFun(){
    document.getElementById("demo1").innerHTML = a;
    document.getElementById("demo2").innerHTML = b;
    document.getElementById("demo3").innerHTML = c;
}

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ZilaStar ICT Dec 08 2019, 16:25:38

JavaScript Bracket Notation

var myObj = {tree: 'green', sky: 'blue', cloud: 'white'};

myObj['sky'] = 'gray'; //here i use ctrl+s to save

var myColor = myObj['sky']; //bracket notation

document.write(myColor);

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