Educational Blog BBA(CA): May 2021

Friday, May 28, 2021

Slip 6. Write a jQuery code to blink text continuously.

//slip6.html

<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>

<title>Blink text using jQuery</title>
</head>
<body>
<p>I like <span class="blink">Cake</span> and <span class="blink">Ice-cream</span></p>
</body>

<style>
p{ color:red}
body{background-color:aqua}
</style>
<script>
function blink_text() {
$('.blink').fadeOut(500);
$('.blink').fadeIn(500);
}
setInterval(blink_text, 1500);
</script>
</html>

Slip 4 . Write a jQuery code to disable the submit button until the visitor has clicked a check box.

//slip4.html

<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<meta charset="utf-8">
<title>Disable/enable the form submit button</title>
</head>
<body>
<input id="accept" name="accept" type="checkbox" value="y"/>Upload File<br>
<input id="submitbutton" disabled="disabled" name="Submit" type="submit" value="Submit" />
</body>
<script>
$('#accept').click(function() {
if ($('#submitbutton').is(':disabled')) {
$('#submitbutton').removeAttr('disabled');
} else {
$('#submitbutton').attr('disabled', 'disabled');
}
});
</script>
</html>

Slip 3. Write a jQuery code to disable right click menu in html page.

3. Write a jQuery code to disable right click menu in html page.

//slip3.html

<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>

<title>Disable right click menu in html page using jquery</title>
</head>
<script>
$(document).bind("contextmenu",function(e){
return false;
});
</script>
<body>
<h1>If you click on this page<u> right click menu</u> will not be visible</h1>
</body>
</html>

Run slip3.html file on browser

//file:///C:/jquery/slip3.html

JQuery Solution

JQuery

1. Write a jQuery code to check whether jQuery is loaded or not.

2. Write a jQuery code to scroll web page from top to bottom and vice versa.

3. Write a jQuery code to disable right click menu in html page.

4. Write a jQuery code to disable the submit button until the visitor has clicked a check box.

5. Write a jQuery code to fix broken images automatically.

6. Write a jQuery code to blink text continuously.

7. Write a jQuery code to create a zebra stripes table effect.

8. Write a jQuery code to print a page.

9. Write a jQuery code to allow the user to enter only 15 characters into the textbox.

10. Write a jQuery code to make first word of each statement to bold.

11. Write a jQuery code to create a division (div tag) using jQuery with style tag.

12. Write a jQuery code to select values from a JSON object.

13. Write a jQuery code to add list elements within an unordered list element.

14. Write a jQuery code to remove all the options of a select box and then add one option and select it.

15. Write a jQuery code to underline all the words of a text.

16. Write a jQuery code to demonstrate how to get the value of a textbox.

17. Write a jQuery code to remove all CSS classes from an application.

18. Write a jQuery code to distinguish between left and right mouse click.

19. Write a jQuery code to check if an object is a jQuery object or not.

20. Write a jQuery code to detect whether the user has pressed 'Enter key' or not.

21. Write a jQuery code to count number of rows and columns in a table.

22. Write a jQuery code to display form data onto the browser.

23. Write a jQuery code to find absolute position of an element.

24. Write a jQuery code to remove a specific value from an array.

25. Write a jQuery code to change button text.

26. Write a jQuery code to add options to a drop-down list.

27. Write a jQuery code to set background-image to the page.

28. Write a jQuery code to get the selected value and currently selected text of a dropdown box.

29. Write a jQuery code to disable a link.

30. Write a jQuery code to Restrict "number"-only input for textboxes including decimal points.

31. Write a jQuery code to set value in input text.

Sunday, May 16, 2021

Node js slip 10a solution Create a Node.js Application to download jpg image from the Server.

Slip 10

a. Create a Node.js Application to download jpg image from the Server. [Marks 15]

// slip10a.js

const http=require('http')

const fs=require('fs')

http.createServer((req,res)=>{

const files=fs.createReadStream('Tulips.jpg')

res.writeHead(200,{'Content-disposition':'attachment;filename:Tulips.jpg'})

files.pipe(res)

}).listen(5000)

console.log("Image is download");

/* Output*/

//first install http

C:\Users\NEW\nodex>npm i http

npm WARN nodex@1.0.0 No description

npm WARN nodex@1.0.0 No repository field.

+ http@0.0.1-security

added 1 package and audited 12 packages in 3.915s

found 0 vulnerabilities

C:\Users\NEW\nodex>node slip10a.js

Image is download

//Open crome browser and type localhost:5000 on addressbar to see image is downloading

Saturday, May 15, 2021

C++ slip2 solution

slip 2

a) Write a C++ program to find volume of cylinder, cone and sphere. (Use function overloading).

#include<iostream.h>

float vol(int,int);

float vol(float,int);

int vol(int);

int main()

{

int radius,height,height2 ;

float radius1,radius2;

clrscr();

cout<<"Enter the radius and height of the cylinder :" ;

cin>>radius>>height;

cout<<Enter the radius and height of the Cone : ";

cin>>radius2>>height2;

cout<<"Enter radius of sphere: ";

cin>>radius1;

cout<<"Volume of Cylinder is "<<vol(radius,height);

cout<<"Volume of Cone is"<<vol(radius2,height2);

cout<<"Volume of Sphere is "<<vol(radius1);

getch();

return 0;

}

float vol(int radius , int height)

{

return(3.14 * radius* radius* height);

}

int vol(float radius2, int height2)

{

return(0.33*3.14 *radius2*radius2*height2);

}

int vol(int radius1)

{

return((4*3.14 *radius1*radius1*radius1)/3);

}

Friday, May 14, 2021

Node js Slip 30 b Solution Create a Node.js file that demonstrat e create database and Hospital table (hReg, hName, address, contact) in M ySQL

Slip 30 b

b) Create a Node.js file that demonstrat e create database and Hospital table (hReg, hName, address, contact) in M ySQL.

/* Hospital.js*/

var mysql=require('mysql');

var cn=mysql.createConnection({

host:"localhost",

user:"root",

password:"",

database:"mydb"

});

cn.connect(function(err){

if(err) throw err;

console.log("connected!");

var sql="CREATE TABLE Hospital(hReg INT

AUTO_INCREMENT PRIMARY KEY ,hName

VARCHAR(20),hAddress VARCHAR(20),contact

INT)";

cn.query(sql,function(err,result){

if(err)throw err;

console.log("Table Created!");

});

/* output*/

C:\Users\NEW\nodex>npm install mysql

C:\Users\NEW\nodex>node Hospital.js

connected!

Table Created!

Thursday, May 13, 2021

Node js Slip 6b Solution

a) b. Create a Node.js file that Insert Multiple Records in "student" table, and display the result object on console. [Marks 25)

//student.js

var mysql=require('mysql');

var cn=mysql.createConnection({

host:"localhost",

user:"root",

password:"",

database:"mydb"

});

cn.connect(function(err){

if(err) throw err;

var records=[

['Nishant',60],

['Akshay',80]

];

console.log("connected!");

var sql="INSERT INTO student(sname,percentage)VALUES?";

cn.query(sql,[records],function(err,result){

if(err)throw err;

console.log(result);

console.log("Number of records inserted: "+result.affectedRows);

});

/* Output

C:\Users\NEW\nodex>node student.js

connected!

OkPacket {

fieldCount: 0,

affectedRows: 2,

insertId: 0,

serverStatus: 2,

warningCount: 0,

message: '&Records: 2 Duplicates: 0 Warnings: 0',

protocol41: true,

changedRows: 0

}

Number of records inserted: 2

Wednesday, May 12, 2021

Node js Slip 5b Solution

Slip 5 b

b. Create a N ode.js file that Select all records from the "customers" table, and delete the specified record.

var mysql=require('mysql');

var cn=mysql.createConnection({

host:"localhost",

user:"root",

password:"",

database:"mydb"

});

cn.connect(function(err){

if(err) throw err;

console.log("connected!");

var sql="SELECT * from customer"

cn.query(sql,function(err,result){

if(err)throw err;

console.log(result);

});

var sql1 = "DELETE FROM customer WHERE caddress ='Pune'";

cn.query(sql1, function (err, result) {

if (err) throw err;

console.log("Number of records deleted: " + result.affectedRows);

});

})

/* Output*/

C:\Users\NEW\nodex>node custtable.js

connected!

[

RowDataPacket { cno: 1, cname: 'Ram', caddress: 'Pune' },

RowDataPacket { cno: 2, cname: 'Kshitij', caddress: 'Pimpri' }

]

Number of records deleted: 1

C:\Users\NEW\nodex>node custtable.js

connected!

[ RowDataPacket { cno: 2, cname: 'Kshitij', caddress: 'Pimpri' } ]

Number of records deleted: 0

Node Slip1 B solution

Slip 1 b

b. Create a Node.js file that demonstrate create database student DB and student table (Rno, Sname, Percentage) in MYSQL [Marks 25]

/* tabledemo.js

var mysql=require('mysql');

var cn=mysql.createConnection({

host:"localhost",

user:"root",

password:"",

database:"student"

});

cn.connect(function(err){

if(err) throw err;

console.log("connected!");

var sql="CREATE TABLE student(rno INT

AUTO_INCREMENT PRIMARY KEY ,sname

VARCHAR(20),percentage INT)";

cn.query(sql,function(err,result){

if(err)throw err;

console.log("Table Created!");

});

})

/* output*/

C:\Users\NEW\nodex>npm install mysql

C:\Users\NEW\nodex>node tabledemo.js

connected!

Table Created!

Tuesday, May 11, 2021

Node Slip3 Solution

Slip 3

Create a Node.js Application that uses user defined module circle.js which exports the functions area () and circumference () and display the details on console.

// circle.js

var PI = Math.PI;

exports.area = function (r) {
return PI * r * r;
};

exports.circumference = function (r) {
return 2 * PI * r;
};

//areacircle.js

var circle = require('./circle.js');

console.log( 'The area of a circle of radius 3 is ' + circle.area(3));

console.log( 'The circumference of a circle of radius 3 is '

+ circle.circumference(3));

/* Output*/

C:\Users\NEW\nodex>node areacircle.js

The area of a circle of radius 3 is 28.274333882308138

The circumference of a circle of radius 3 is 18.84955592153876

Adv. Java Slip 4 Solution

Slip 4

/*Write a java program to display “Hello Java” message n times on the screen. (Use Runnable Interface). */

import java.io.*;

class Hellojava implements Runnable

{

Thread t;

public Hellojava(String title)

{

t=new Thread(this,title);

t.start();

}

public void run()

{

for(int i=0;i<20;i++)

{

System.out.println((i+1)+"ThreadName:"+Thread.currentThread().getName());

try

{

Thread.sleep(10000);

}

catch(Exception e)

{

}

public class Demotext

{

public static void main(String args[])

{

System.out.println("ThreadName : " +Thread.currentThread().getName());

Hellojava t1=new Hellojava("HELLO JAVA");

}

/* Output*/

D:\JavaP>javac Demotext.java

D:\JavaP>java Demotext

ThreadName : main

1ThreadName:HELLO JAVA

2ThreadName:HELLO JAVA

3ThreadName:HELLO JAVA

4ThreadName:HELLO JAVA

5ThreadName:HELLO JAVA

6ThreadName:HELLO JAVA

7ThreadName:HELLO JAVA

8ThreadName:HELLO JAVA

9ThreadName:HELLO JAVA

10ThreadName:HELLO JAVA

11ThreadName:HELLO JAVA

12ThreadName:HELLO JAVA

13ThreadName:HELLO JAVA

14ThreadName:HELLO JAVA

15ThreadName:HELLO JAVA

16ThreadName:HELLO JAVA

17ThreadName:HELLO JAVA

18ThreadName:HELLO JAVA

19ThreadName:HELLO JAVA

20ThreadName:HELLO JAVA

Adv. Java Slip2 Solution

Write a multithreading program in java to display all the vowels from a given String.(Use Thread Class)

import java.util.*;

class vowel extends Thread

{

String s1;

vowel(String s)

{ s1=s;

start();

}

public void run()

{

System.out.println("Vowels are ");

for(int i=0;i<s1.length();i++)

{

char ch=s1.charAt(i);

if(ch=='a'||ch=='e'||ch=='i'||ch=='o'||ch=='u'||ch=='A'||ch=='E'||ch=='I'||ch=='O'||ch=='U')

System.out.print(" "+ch);

}

public class Demov {

public static void main(String[] args)

{

Scanner sn=new Scanner(System.in);

System.out.println("Enter a string");

String str1=sn.next();

vowel v=new vowel(str1);

}

/* Output*/

D:\JavaP>javac Demov.java

D:\JavaP>java Demov

Enter a string

India

Vowels are

I i a

D:\JavaP>

Saturday, May 8, 2021

CPP Slip 1-(b)

#include<stdio.h>

#include<conio.h>

class myfile

{

FILE *fp;

char fn[MAXSIZE];

public:

myfile(char*fname)

{

strcpy(fn,fname);

}myfile operator +(myfile);

void operator !();

void display();

};

void myfile::display()

fp=fopen(fn,"r");

char ch;

while((ch=fgetc(fp))!=EOF)

{

cout<<ch;

}

fclose(fp);

}

void myfile::operator !()

{

myfile f3("a.txt");

char ch;

fp=fopen(fn,"r");

f3.fp=fopen(f3.fn,"w");

while((ch=fgetcc(fp))!=EOF)

{

if(isupper(ch))

fputc(tolower(ch),f3.fp);

else

fputc(ch,f3.fp);

}

fclose(fp);

fclose(f4.fp);

remove("b2.txt");

}

Node js slip2

Q.1 Create a Node.js Application that uses user defined Module to return the factorial of given number.

//create two files first file name fact.js and second file name Node.js

fact.js

function fact(n){
var f=1;
for(i=1;i<=n;i++)
{
f=f*i;
};
return f;
};
module.exports=fact;

Node1.js

var fact=require("./fact.js");

console.log("Factorial of a number : ",fact(5));

Output

C:\Users\NEW\nodex>node Node1.js

Factorial of a number : 120

Educational Blog BBA(CA)

Pages

Friday, May 28, 2021

Slip 6. Write a jQuery code to blink text continuously.

Slip 4 . Write a jQuery code to disable the submit button until the visitor has clicked a check box.

Slip 3. Write a jQuery code to disable right click menu in html page.

JQuery Solution

Sunday, May 16, 2021

Node js slip 10a solution Create a Node.js Application to download jpg image from the Server.

Saturday, May 15, 2021

C++ slip2 solution

Friday, May 14, 2021

Node js Slip 30 b Solution Create a Node.js file that demonstrat e create database and Hospital table (hReg, hName, address, contact) in M ySQL

Thursday, May 13, 2021

Node js Slip 6b Solution

Wednesday, May 12, 2021

Node js Slip 5b Solution

Node Slip1 B solution

Tuesday, May 11, 2021

Node Slip3 Solution

Adv. Java Slip 4 Solution

Adv. Java Slip2 Solution

Write a multithreading program in java to display all the vowels from a given String.(Use Thread Class)

Saturday, May 8, 2021

CPP Slip 1-(b)

Node js slip2

Slip 10. Write a jQuery code to make first word of each statement to bold.

Search This Blog

Total Pageviews

Report Abuse