To set TitleBorder direction, you need to use the constants and set it for border. For example, for direction center −TitledBorder border = BorderFactory.createTitledBorder("Border"); border.setTitlePosition(TitledBorder.CENTER);Above, we have set the setTitlePosition() for the direction.The following is an example to set TitledBorder direction in Java −Examplepackage my; import java.awt.BorderLayout; import java.awt.Container; import ... Read More

OpenCV is one of the best python package for image processing. Also like signals carry noise attached to it, images too contain different types of noise mainly from the source itself (Camera sensor). Python OpenCV package provides ways for image smoothing also called blurring. This is what we are going ... Read More

Use the distinct() for this, since it finds the distinct values for a specified field across a single collection or view and returns the results in an array.Let us first create a collection with documents −> db.projectionListDemo.insertOne({"_id":"1", "Subject":["MongoDB", "MySQL", "Java"]}); { "acknowledged" : true, "insertedId" : "1" } > db.projectionListDemo.insertOne({"_id":"2", ... Read More

To find a node in a JTree component, use the getNextMatch() method. Here, wer are trying to find a node that begins with character “A”. The search begins from the node set below with begnRow variable −int begnRow = 0; String prefix = "A"; TreePath treePath = tree.getNextMatch(prefix, begnRow, Position.Bias.Forward);We ... Read More

The result FALSE for is FileHidingEnabled() means the hidden files are displayed in the FileChooser. The following will display FALSE since file isn’t hidden −JFileChooser file = new JFileChooser(); file.setMultiSelectionEnabled(false); file.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES); file.setFileHidingEnabled(false); boolean res = file.isFileHidingEnabled();Above, at first, we have displayed the file by setting hidden to be FALSE −file.setFileHidingEnabled(false);The following ... Read More

In this post, we are going to learn, how to detect lines in an image, with the help of a technique called Hough transform.Hough transform?Hough transform is a feature extraction method to detect any simple shape, if you can represent that shape in mathematical form. It somehow manage to detect ... Read More

To limit number of values in a field, use $slice operator.Let us first create a collection with documents −> db.numberOfValuesDemo.insertOne({"Values":[100, 200, 300, 900, 1000, 98]}); {    "acknowledged" : true,    "insertedId" : ObjectId("5cefb736ef71edecf6a1f6ab") }Display all documents from a collection with the help of find() method −> db.numberOfValuesDemo.find().pretty();Output{    "_id" ... Read More

The rel attribute of the element is used to set the relationship between the current document and the linked document. This attribute introduced in HTML5 for the element. Following is the syntax −Above, value can be any of the following options that links to −alternate: An alternate version of ... Read More