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Advent of code Day 3 part 1

  let final = 0;

    let longstring = `sfDRhjhHsHhgWPJvPmmQnmPqnW
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MdZCZGdcrCNRFZRhFssL
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vZgdLvZLZQLRQZQQdMZLdQvVpRhNNPfJDbcBbbhVNJNNhf`;

    let ss= longstring.split('\n')
    ss.forEach((valuelong)=>{
    let s =valuelong;
    let firstHalf=s.substr(0,s.length/2)
    let secondHalf=s.substr(s.length/2)
    //console.log(firstHalf,secondHalf)
    let fA = firstHalf.split('');
    
    let ischeck=false;
    fA.forEach((value)=>{
        if(!ischeck){
            if(secondHalf.indexOf(value) > -1){
                ischeck=true;
                if(value == value.toLowerCase())
                {
                    let n = value.charCodeAt(0)-96;
                    final += n;                
                    //console.log(v,value)
                }
                else{
                    let n = value.charCodeAt(0)-38;
                    final += n;
                    //console.log(n,value)
                }
            }
        }
    });
    
    })
    console.log('Answer is : ',final)

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First import itextsharp.dll in the solution and use three namespces (basically for pdf) using iTextSharp.text; using iTextSharp.text.pdf; using iTextSharp.text.html.simpleparser;          Then Use the following code :- on each button  click  protected void Page_Load(object sender, EventArgs e)         {             if (!Page.IsPostBack)             {                 BindGridDetails(GridView1);             }         }                 protected DataTable BindGridDetails(GridView GridView1)         {             DataTable dt = new DataTable();             dt.Columns.Add("Student_ID", typeof(Int32));             dt.Columns.Add("Student_Name", typeof(string));             dt.Columns.Add("Education", typeof(string));             dt.Columns.Add("City", typeof(string));             DataRow dtrow = dt.NewRow();             dtrow["Student_ID"] = 1;             dtrow["Student_Name"] = "Musakkhir";   

Ip Sec Internet Security Basic Structure

The IPsec suite is an  open standard . IPsec uses the following  protocols  to perform various functions: Authentication Headers (AH)  provide connectionless  integrity  and data origin  authentication  for IP  datagrams  and provides protection against  replay attacks . Encapsulating Security Payloads (ESP)  provide  confidentiality , data-origin  authentication , connectionless  integrity , an anti-replay service (a form of partial sequence integrity), and limited traffic-flow confidentiality. Security Associations (SA)  provide the bundle of algorithms and data that provide the parameters necessary to AH and/or ESP operations. The  Internet Security Association and Key Management Protocol  (ISAKMP) provides a framework for authentication and key exchange, with actual authenticated keying material provided either by manual configuration with pre-shared keys,  Internet Key Exchange  (IKE and IKEv2),  Kerberized Internet Negotiation of Keys  (KINK), or IPSECKEY  DNS records .

Advent of code 2022 day 22 part 1

  function main(input, input1) {     let grid = input.split( '\n' );     grid.shift();     // only in big input     for ( let i = 0 ; i < 100 ; i++) {         grid[i] = '                                                  ' + grid[i];     }     //console.log(grid[100])     grid = grid.map(x => x.split( '' ))     // find first left top allowed     let temppos = - 1 ;     grid[ 0 ].forEach((element, i) => {         if (temppos == - 1 && element == '.' ) {             temppos = i;         }     });     let initpos = new pos(temppos, 0 )     // console.log(initpos)     // make grid equal shape     let maxlength = 0 ;     grid.forEach(el => {         if (el.length > maxlength) {             maxlength = el.length         }     })     console.log(maxlength)     grid.forEach(el => {         if (el.length < maxlength) {             let diff = maxlength - el.length;             while (diff > 0 ) {                 di