Data Structure
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PHP
This example demonstrate about How to determine if an activity has been called by a Notification 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 − Add the following code to src/MainActivity.package app.tutorialspoint.com.notifyme ; import android.app.NotificationChannel ; import android.app.NotificationManager ; import android.app.PendingIntent ; import android.content.Intent ; import android.os.Bundle ; import android.support.v4.app.NotificationCompat ; import android.support.v7.app.AppCompatActivity ; import android.util.Log ; import android.view.View ; public class MainActivity extends AppCompatActivity { public ... Read More
Let us first create a table with rows and columns −String data[][] = { {"Australia", "5", "1"}, {"US", "10", "2"}, {"Canada", "9", "3"}, {"India", "7", "4"}, {"Poland", "2", "5"}, {"SriLanka", "5", "6"} }; String col [] = {"Team", "Selected Players", "Rank"}; DefaultTableModel tableModel = new DefaultTableModel(data, col); JTable table = new JTable(tableModel);Now, we will disable resizing of columns by dragging headers −table.getTableHeader().setResizingAllowed(false);The following is an example to disallow resizing a column by dragging between headers in a JTable: −Examplepackage my; import java.awt.Dimension; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JRootPane; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.table.DefaultTableModel; public ... Read More
PHP offers different kinds of operators having distinctive functionalities. Operators enable us to perform arithmetic activities, string concatenation, compare values and to perform boolean operations, more...In this article, we will learn string operators given by PHP. Let's first learn the types of string operators in php. There are two string operators provided by PHP. 1.Concatenation Operator ("."): This operator combines two string values and returns it as a new string. 2.Concatenating Assignment operator (".="): This operation attaches the argument on the right side to the argument on the left side. Let's demonstrate the utility of the above operators by following examples.Example:Output ... Read More
To get particular field as a result in MongoDB, you can use findOne(). Following is the syntax −db.yourCollectionName.findOne({"yourFieldName1":yourValue}, {yourFieldName2:1});Let us first create a collection with documents −> db.particularFieldDemo.insertOne({"EmployeeName":"John Smith", "EmployeeAge":26, "EmployeeTechnology":"MongoDB"}); { "acknowledged" : true, "insertedId" : ObjectId("5cd9b4abb50a6c6dd317ada2") } > db.particularFieldDemo.insertOne({"EmployeeName":"Chris Brown", "EmployeeAge":28, "EmployeeTechnology":"Java"}); { "acknowledged" : true, "insertedId" : ObjectId("5cd9b4d2b50a6c6dd317ada3") } > db.particularFieldDemo.insertOne({"EmployeeName":"David Miller", "EmployeeAge":30, "EmployeeTechnology":"MySQL"}); { "acknowledged" : true, "insertedId" : ObjectId("5cd9b4e8b50a6c6dd317ada4") } > db.particularFieldDemo.insertOne({"EmployeeName":"John Doe", "EmployeeAge":31, "EmployeeTechnology":"C++"}); { "acknowledged" : true, "insertedId" : ObjectId("5cd9b527b50a6c6dd317ada5") }Following is the query to display all documents from a collection with the help of ... Read More
The form attribute of the element is used to specify the forms wherein the button belongs to.Following is the syntax −The id above is the if of the form wherein the button belongs to.Let us now see an example to implement the form attribute of the element−Example Live Demo Points Player: Rank: Points: Click to Submit This will produce the following output. The button is part of the form−In the above example, we have set a form and added form elements− ... Read More
The Input Date form property returns the reference of enclosing form for input date.SyntaxFollowing is the syntax −Returning reference to the form objectinputDateObject.formExampleLet us see an example of Input Date form property − Live Demo Input Date Form Date Select: Get Form ID function getFormID() { var inputDate = document.getElementById("Date"); var divDisplay = document.getElementById("divDisplay"); divDisplay.textContent = 'Form ID for date input: '+inputDate.form.id; } OutputThis will produce the following output −Before clicking ‘Get Form ID’ button −After checking ‘Get Form ID’ button −
The HTML DOM Input Time step property determines the legal intervals for only seconds.SyntaxFollowing is the syntax −Returning number valueinputTimeObject.stepSetting step attribute to a number valueinputTimeObject.step = numberParametersParameter number values −secondsvalid values constitute of those numbers that divide 60 perfectly (eg: 10, 15, 20)ExampleLet us see an example of Input Time step property − Live Demo Input Time step form { width:70%; margin: 0 auto; text-align: center; } * { padding: 2px; margin:5px; } input[type="button"] { ... Read More
Whenever we execute SQL statements using the executeQuery() method, it returns a ResultSet object which holds the tabular data returned by the SELECT queries(in general).The ResultSet object contains a cursor/pointer which points to the current row. Initially this cursor is positioned before first row (default position).You can move the cursor of the ResultSet object to the previous row from the current position, using the previous() method of the ResultSet interface.rs.previous()This method returns a boolean value specifying whether the ResultSet object contains more rows. If there are no rows before its current position this method returns false, else it returns true.Let us ... Read More
To combine AND & OR in MongoDB, let us first create a collection with documents −>db.combinedAndOrDemo.insertOne({"StudentFirstName":"John", "StudentAge":23, "StudentSkill":"MongoDB"}); { "acknowledged" : true, "insertedId" : ObjectId("5cd306dcb64f4b851c3a13e2") } >db.combinedAndOrDemo.insertOne({"StudentFirstName":"Larry", "StudentAge":21, "StudentSkill":"MySQL"}); { "acknowledged" : true, "insertedId" : ObjectId("5cd306f3b64f4b851c3a13e3") } >db.combinedAndOrDemo.insertOne({"StudentFirstName":"Sam", "StudentAge":24, "StudentSkill":"SQL Server"}); { "acknowledged" : true, "insertedId" : ObjectId("5cd30701b64f4b851c3a13e4") }Following is the query to display all documents from a collection with the help of find() method −> db.combinedAndOrDemo.find().pretty();This will produce the following output −{ "_id" : ObjectId("5cd306dcb64f4b851c3a13e2"), "StudentFirstName" : "John", "StudentAge" : 23, "StudentSkill" : "MongoDB" } { "_id" : ... Read More
Contigous selection means sharing borders like selecting siblings of a node in a JTree. To allow contiguous selection of nodes, set the selection mode to CONTIGUOUS_TREE_SELECTION −tree.getSelectionModel().setSelectionMode(TreeSelectionModel.CONTIGUOUS_TREE_SELECTION);The following is an example to allow contigous selection of nodes in a JTree −Examplepackage my; import javax.swing.JFrame; import javax.swing.JTree; import javax.swing.tree.DefaultMutableTreeNode; import javax.swing.tree.TreeSelectionModel; public class SwingDemo { public static void main(String[] args) throws Exception { JFrame frame = new JFrame("Demo"); DefaultMutableTreeNode node = new DefaultMutableTreeNode("Products"); DefaultMutableTreeNode node1 = new DefaultMutableTreeNode("Clothing"); DefaultMutableTreeNode node2 = new DefaultMutableTreeNode("Electronics"); DefaultMutableTreeNode node3 = new DefaultMutableTreeNode("Home Decor"); DefaultMutableTreeNode node4 = new DefaultMutableTreeNode("Furniture"); node.add(node1); node.add(node2); node.add(node3); node.add(node4); DefaultMutableTreeNode one = new DefaultMutableTreeNode("Shirt"); DefaultMutableTreeNode two = new DefaultMutableTreeNode("Trousers"); ... Read More