This example demonstrate about How to pass data from one fragment to another fragment in androidStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. ... Read More

This example demonstrate about How to save an Android Activity state using save instance stateStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.   ... Read More

The incidence matrix of a graph is another representation of a graph to store into the memory. This matrix is not a square matrix. The order of the incidence matrix is V x E. Where V is the number of vertices and E is the number of edges in the ... Read More

To check connectivity of a graph, we will try to traverse all nodes using any traversal algorithm. After completing the traversal, if there is any node, which is not visited, then the graph is not connected.For the undirected graph, we will select one node and traverse from it.In this case ... Read More

A dynamic 2D array is basically an array of pointers to arrays. Here is a diagram of a 2D array with dimenation 3 x 4.AlgorithmBegin    Declare dimension of the array.    Dynamic allocate 2D array a[][] using new.    Fill the array with the elements.    Print the array. ... Read More

This example demonstrate about How to update RecyclerView Adapter DataStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.         In the ... Read More

MongoDB is a cross-platform, document oriented database that provides, high performance, high availability, and easy scalability. MongoDB works on concept of collection and document.Before you start connecting MongoDB in you need to make sure that you have MongoDB JDBC driver. If not, download the jar from the path Download mongo.jar ... Read More

C++ does not support variable length arrays. The C++11 standard mentions array size as a constant-expression.So if we write a program in C++ like:void displayArray(int n) { int arr[n]; // ...... } int main() { displayArray(7); } It will not work.

Let us consider this following program, Live Demo#include using namespace std; int* Array() {    int a[100];    a[0] = 7;    a[1] = 6;    a[2] = 4;    a[3] = 3;    return a; } int main() { int* p = Array(); cout

In this, we are going to see how differently we can display our text in a very unique way using python.So let suppose I want to display “Hello, Python” and out many ways I could display my text/string (“Hello, Python”) like:Input“Hello, Python”Output 1___ ___ .__ .__ / | \ ____ ... Read More