Category Archives: General

WhatsApp – Payment Service

WhatsApp-e1489070253100Note: Above image is (C)copyrights… some one on Google Image.

WhatsApp is running a pilot project in India for payment service; currently this service is only tested for 1 million users.

As per the RBI (Reserve Bank of India’s) regulation all payment system operators in India must move to a system of storing transaction data within India. WhatsApp has built its system in India which stores payments-related data information locally in India only as per the RBI guidelines.

Still WhatsApp require approval from National Payments Corporation of India (NPCI) for a full-fledged roll out as it has not clarified whether such data is being shared with any third party like its parent Facebook.

Once WhatsApp get clearance we will have one more may payment option in our Mobile; base on the number of WhatsApp users it looks in near future we may find a large amount of Indian public making online payment through mobile device.

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Setting up foreign keys in phpMyAdmin

Step 1:
You have to add the line:
default-storage-engine = InnoDB
under the [mysqld] section of your mysql config file (my.cnf or my.ini depending on your OS) and restart the mysqld service.

 

 

 

 

 

 

 

 

 

Step 2:
Now when you create the table you will see the type of table is: InnoDB

 

 

 

 

 

Step 3:
Create both Parent and Child table. Now open the Child table and select the coloum U like to have the Foreign Key:
Select the Index Key from Action Label as shown below.

 

 

 

 

 

Step 4:
Now open the Relation View in the same child table from bottom near the Print View as shown below.

 

 

 

 

 

Step 5:
Select the coloumn U like to have the Foreign key as Select the Parent coloumn from the drop down.
dbName.TableName.ColoumnName

Select appropriate Values for ON DELETE and ON UPDATE

 

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Java Packages – Tutorial 4

1. Expalin Package and what is need of package.

2. Creating Package.

/*

Code:

*/

package com.vinod;

public class Student {

private int id;
private String name;

public Student()
{
id=0;
name=null;
}
public Student(int tid,String tname)
{
id=tid;
name=tname;
}

public void setData()
{
id=0;
name=null;
}

public void setData(int tid,String tname)
{
id=tid;
name=tname;
}

public void display()
{
System.out.println(“\n ID is:”+id);
System.out.println(“\n Name is:”+name);
}
}

package com.second;

public class Employee {

private int id;
private String name;

public void setData(int tid, String tname) {
id = tid;
name = tname;
}

public void display() {
System.out.println(“\nEmployee ID is:” + id);
System.out.println(“\nEmpoyee Name is:” + name);
}
}

package com.vinod;

import com.second.*;

public class MainClass {

public static void main(String[] args) {

Student stu1=new Student();
stu1.setData(1,”Vinod Pillai”);
stu1.display();

Student stu2=new Student(2,”Abc User”); //Calling Constructor with argument.
stu2.display();

Employee emp1=new Employee();
emp1.setData(101, “Ramesh”);
emp1.display();

com.second.Employee emp2=new com.second.Employee();
emp2.setData(102, “Xyz”);
emp2.display();
}
}

http://www.youtube.com/vinodthebest

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Java Constructor, Method and Static variable – Tutorial 3

1. Method Overloading.

2. Constructors.

3. Constructors Overloading.

4. Static variable and Methods.

/*

Code:

*/

public class Student {

private int id;
private String name;

private static int count;

//Constructor Overloading
public Student()
{
//id=0;
name=null;

count++;
}
public Student(int tid,String tname)
{
id=tid;
name=tname;

count++;
}

//Method Overloading
public void setData()
{
id=0;
name=null;
}

public void setData(int tid,String tname)
{
id=tid;
name=tname;
}

public void display()
{
System.out.println(“\n ID is:”+id);
System.out.println(“\n Name is:”+name);
}

//Static Method.
public static int getCount()
{
//System.out.println(“\n ID is:”+id); //Error can’t access not static Variable/Method
return count;
}
}

public class MainClass {

public static void main(String[] args) {

Student stu1=new Student();        //Calling the user defined default constructor.
stu1.setData(1,”Vinod Pillai”);

Student stu2=new Student(2,”Abc User”); //Calling Constructor with argument.
stu2.display();

int rel=Student.getCount(); //Accessing the Static method.
System.out.println(“\nThe Static result is:”+rel);
rel=0;

rel=stu2.getCount();    //Its not the correct way but this is allowed.
System.out.println(“\nThe New Static result is:”+rel);

Student stu3=new Student();
stu3.display();
}
}

 

 

http://www.youtube.com/vinodthebest

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Facebook in Mobile Business

Don’t get shocked if you find a mobile phone by “Facebook” yes facebook is planning to launch a mobile phone mainly more concentrated towards to facebook application base. Hardware and OS wise not much surprise mostly probably it HTC + Android. Yes definitely it will he having modified Android as per the companies need.

photo_1364666529_temp

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Array in C

Array: An array is a collective name given to a group of similar quantities. If we would like to store 100 employee salary then we will should create an array of size 100 (int salary[100]) These similar elements could be all integers or all floats or all characters etc.

In this video I have explained about Array in C:

1. Explain Array & its need.

2. Code for entering & gettting value from Array in C.

3. Type of Array.

a. Single Dimenstion Array.

b. Multi Dimenstion Array.

Secondly I have shown code explaining how you can entering & gettting value from Array in C.


/*
Developed By:Prof. Vinod Pillai
vinodthebest@gmail.com
Array in C.
*/

#include

int main()
{
//Single Dimenstion Array
int array[5];
int i,j,rel=0;
//Multi Dimenstion Array 3 Rows & 5 Coloums each
int arr[3][5];

printf("\n Enter the Value of Array:");
scanf("%d",&array[0]);

printf("\n The result is :%d",array[0]);

//Getting the Value
for(i=0;i<5;i++)
{
printf("\n Enter the Value of Array:");
scanf("%d",&array[i]);
}

//Printing the Value
for(i=0;i<5;i++)
{
printf("\n The result is :%d",array[i]);
rel=rel+array[i];
}

printf("\nThe sum of Array values is:%d",rel);

//***************************************************************
rel=0;
//Two Dimenstion Array Getting the Value
for(i=0;i<3;i++)
{
for(j=0;j<5;j++)
{
printf("\n Enter the Value of Array:");
scanf("%d",&arr[i][j]);
}
}

//Printing the Value
for(i=0;i<3;i++)
{
for(j=0;j<5;j++)
{
printf("\n The result is :%d",arr[i][j]);
rel=rel+arr[i][j];
}
}

printf("\n\nThe sum of Array values is:%d",rel);
return 0;
}

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Google Drive

Google much talked cloud storage Google Drive is finally here. Integrated highly with Google docs and Gmail, it also has a dedicated app for desktop and mobile phone. Currently, it is in beta phase and offering 5 GB for freeto all users.

Here is the link where you can get the invite: https://drive.google.com/start

 

 

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