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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
Yes, you can use capped parameter along with max size. Following is the syntax −db.createCollection("yourCollectionName", {capped:true, size:yourSizeInBytes, max:howManyRecordsYouWant})Let us first create a collection with capped:true −> db.createCollection("limitTheNumberOfRecordsDemo", {capped:true, size:200024, max:3}) { "ok" : 1 }We will now create a collection with documents −> db.limitTheNumberOfRecordsDemo.insertOne({"ClientName":"James Brown"}); { "acknowledged" : true, "insertedId" : ObjectId("5cd9e601b50a6c6dd317adad") } > db.limitTheNumberOfRecordsDemo.insertOne({"ClientName":"Sam Williams"}); { "acknowledged" : true, "insertedId" : ObjectId("5cd9e60bb50a6c6dd317adae") } > db.limitTheNumberOfRecordsDemo.insertOne({"ClientName":"David Miller"}); { "acknowledged" : true, "insertedId" : ObjectId("5cd9e612b50a6c6dd317adaf") } > db.limitTheNumberOfRecordsDemo.insertOne({"ClientName":"Carol Taylor"}); { "acknowledged" : true, "insertedId" : ObjectId("5cd9e61ab50a6c6dd317adb0") } > db.limitTheNumberOfRecordsDemo.insertOne({"ClientName":"Adam Smith"}); { "acknowledged" ... Read More
The HTML DOM Anchor origin property returns the protocol, hostname and port number of the href attribute value, for example, https://www.demo.com:6064 Following is the syntax−anchorObj.originLet us now see an example to implement the DOM Anchor origin property −Example Live Demo Company Products Display href Part Display origin Display hreflang function display() { var a = document.getElementById("mylink").href; document.getElementById("myid").innerHTML = a; } function display2() { var a = document.getElementById("mylink").origin; document.getElementById("myid").innerHTML = a; } function display3() { var a = document.getElementById("mylink").hreflang; document.getElementById("myid").innerHTML = a; } OutputClick on the “Display origin” button−
Tringle is a closed figure with three sides. An equilateral triangle has all sides equal. Area and perimeter of an equilateral triangle can be found using the below formula, Area of equilateral triangle = (√3)/4*a2Perimeter of equilateral triangle = 3 * aLogic of CodeTo find the area of an equilateral triangle program uses square-root and power functions. The math library has both these functions and can be used to do the calculation in the program.The below code display program to calculate the area and perimeter of an equilateral triangle, Example Live Demo#include #include int main(){ int side = ... Read More
The HTML DOM Input Date name property returns a string, which is the name attribute of input date. User can also set it to a new string.SyntaxFollowing is the syntax −Returning string valueinputDateObject.nameSetting name attribute to a string valueinputDateObject.name = ‘String’ExampleLet us see an example of Input Date name property − Live Demo Input Date Name Date Select: Change name value var inputDate = document.getElementById("date"); var divDisplay = document.getElementById("divDisplay"); divDisplay.textContent = 'Name of date input: '+inputDate.name; function changeNameValue() { if(inputDate.name == 'Monday'){ ... Read More
The HTML DOM Input Time stepdown() method defines the number of minutes the Time field should decrease.SyntaxFollowing is the syntax −Calling stepDown method with a number, which by default is equal to 1inputTimeObject.stepDown(number)ExampleLet us see an example of Input Time stepDown method − Live Demo Input Time stepDown() form { width:70%; margin: 0 auto; text-align: center; } * { padding: 2px; margin:5px; } input[type="button"] { border-radius: 10px; } Time-stepDown( ... Read More