Programming world

Connection in php <?php $conn=mysqli_connect("localhost","root","","newdata"); if(!$conn) {     die("error in connecting "); } else {     echo "successful in connecting "; } ?> Click to watch Video

LINK LIST PROGRAM Creating Node   #include using namespace std; class node{ private :   int data,size; node *next,*current,*head,*temp;   public:    node()    {     head=NULL;     temp=NULL;     current=NULL; next=NULL; size=0; } void insert()    {     int d;     cout<<"enter the value for the node :" cin>> d; temp=new node; temp->data=d; temp->next=NULL; size++;     if(head==NULL)     { head=temp; current=temp; } else { current->next=temp; current=current->next; }   }     void display()    { temp=head; while(temp!=NULL) {      cout< data< next; } } }; int main() { node n; n.insert();n.in...

/* password program in c++ #include<iostream> #include<conio.h> using namespace std; int main() {  char pss=' ';  string pass="";  cout<<"enter your password :"<<endl;  while(pss!=13)  {   pss=getch();   if(pss!=13)   {    pass+=pss;    cout<<"*";   }  } if(pass=="1234") {  cout<<" passowrd is ok "; } else {  cout<<"not accepted "; } } click to watch video

#include<iostream> #include<conio.h> using namespace std; int main() { char c=' '; string pass=""; cout<<"enter pass"; while(c!=13)// key { c=getch(); if(c!=13) { pass=+c; cout<<"*"; } } if(pass=="12345") cout<<"acepted "<<endl; else  cout<<"not accepted "; getch(); }

c++ project of dmc #include<iostream> #include<fstream> #include<iomanip> #include<conio.h> #include<windows.h> using namespace std; class student { protected : char  name[50]; int roll; char board[50]; }; class dmc:public student { protected : float per; int phy; int maths; int cs; int english; public : void getdata() { cout<<"ENTER NAME : "; cin>>name; cout<<"ENTER ROLL : "; cin>>roll; cout<<"PHYSIC MARK : "<<endl; cin>>phy; cout<<"MATHS MARKS :"<<endl; cin>>maths; cout<<"ENTER CS MARKS :"<<endl; cin>>cs; cout<<"ENTER ENGLISH MARKS : "<<endl; cin>>english;    } float calculate() { per=(((phy+maths+cs+english)*(100))/400); return per; } double add() { double total...

            C++ SIMPLE PROJECT FOR STORYING RECORDS OF STUDENTS    POST COMMENT FOR ANY ERROR OR IF YOU HAVE ANY PROBLEM WITH THE                                                           CODE  #include<iostream>  #include<windows.h> using namespace std; int main() { string name[3]; int id[3] ; int count=0; int z; int y; int ch; int k; int roll; int c; int dd; char yy; cout<<"*************************WELLCOME TO DATABASE         SYSTM*********************"<<endl; while(1) { cout<<"\t\tpress 1 for entry "<<endl; cout<<"\t\tpress 2 for full data display "<<endl;          cout<<"\t\tpress 3 changing :  "<<endl;           c...