In this section we will see how to see the Host name and IP address of the local system in an easier way. We will write a C program to find the host name and IP.Some of the following functions are used. These functions have a different task. Let us ... Read More

You can use only $pull operator that removes and updates the existing record in MongoDB. Let us first create a collection with documents −> db.removeDemo.insertOne( ...    { ...       "UserName" : "Larry", ...       "UserDetails" : [ ...          { ...   ... Read More

To get the count of siblings of this node, use the getSiblingCount() method. Let’s say you have a node with 4 child nodes. Find the sibling of any of this node’s child node. Here, “eight” is the child node −eight.getSiblingCount());Note − Remember, a node is it’s own sibling.The following is ... Read More

Let’s say you have saved the Login date of users. Now, you want the users who logged in between specific dates i.e. login date. For this, use $gte and $lt operator along with count(). Let us first create a collection with documents −> db.findDataByDateDemo.insertOne({"UserName":"John", "UserLoginDate":new ISODate("2019-01-31")}); {    "acknowledged" : ... Read More

Let us consider the following example, which uses an array of 3 integers −In CExample Live Demo#include const int MAX = 3; int main () {    int var[] = {10, 100, 200};    int i;    for (i = 0; i < MAX; i++) {       printf("Value ... Read More

This example demonstrate about How to display multiple notifications 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.     Step 3 − ... Read More

To increment a field in MongoDB, you can use $inc operator. Let us first create a collection with documents −> db.incrementDemo.insertOne({"PlayerScore":100}); {    "acknowledged" : true,    "insertedId" : ObjectId("5cc81cdd8f9e6ff3eb0ce44e") } > db.incrementDemo.insertOne({"PlayerScore":290}); {    "acknowledged" : true,    "insertedId" : ObjectId("5cc81ce28f9e6ff3eb0ce44f") } > db.incrementDemo.insertOne({"PlayerScore":560}); {    "acknowledged" : true, ... Read More

To add components with a relative Y position, use the GridBagConstraints.RELATIVE constant. Set this to gridy field −GridBagConstraints constraints = new GridBagConstraints(); constraints.gridy = GridBagConstraints.RELATIVE;The following is an example to add components with a relative Y position in Java −Examplepackage my; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import javax.swing.JButton; import javax.swing.JFrame; import ... Read More

To get MySQL LIKE statement, use the REGEX in MongoDB. Let us first create a collection with documents −> db.likeInMongoDBDemo.insertOne({"Name" : "Sam"}); {    "acknowledged" : true,    "insertedId" : ObjectId("5cd6922857806ebf1256f123") } > db.likeInMongoDBDemo.insertOne({"Name" : "John" }); {    "acknowledged" : true,    "insertedId" : ObjectId("5cd6923157806ebf1256f124") } > db.likeInMongoDBDemo.insertOne({"Name" : ... Read More

This example demonstrate about How to make notification intent resume rather than making a new intentStep 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