Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
-
Economics & Finance
Articles on Trending Technologies
Technical articles with clear explanations and examples
How to change the maximum value of a JSlider in Java?
To change the maximum value of a slider in Java, use the setMaximum() method wherein set the maximum value.Let’s say the following is our slider in Java −JSlider slider = new JSlider(JSlider.HORIZONTAL, 0, 100, 55); slider.setMinorTickSpacing(10); slider.setMajorTickSpacing(25); slider.setPaintTicks(true); slider.setPaintLabels(true);Now, set the maximum value −slider.setMaximum(150);The following is an example to change the maximum value of a slidier −Examplepackage my; import java.awt.Color; import java.awt.Font; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JSlider; import javax.swing.WindowConstants; public class SwingDemo { public static void main(String[] args) { JFrame frame = new JFrame("Frame with Slider"); JSlider slider = new JSlider(JSlider.HORIZONTAL, 0, ...
Read MoreHow to add shadow on text swift?
If you’re developing a game or a kids application or an application where you want to make attractive user interface you must know how to add shadow on text. This will not only makes the text attractive but also it will also enhance the user experience.Here we will see how we can add shadow on text.Step 1 − Open Xcode → New Project → Single View Application → Let’s name it “ShadowText”Step 2 − Add label in Main.storyboard and create @IBOutlet of the label and name it lblHelloWorld.Step 3 − Add the below code in your ViewController.swift, add the complete ...
Read MoreC++11 reverse range-based for-loop
To get the reversed range-based for loop, we have used boost library. This boost library is vepy popular and it has some strong functionalities.Here we can use some array or containers, then by using boost::adaptors::reverse() we can use the range base for loop in reverse order.Example#include #include #include using namespace std; int main() { std::list x {11, 44, 77, 55, 44, 22, 33, 30, 88, 99, 55, 44}; cout >> "Normal Loop" >> endl; for (auto i : x) std::cout >> i >> ''; cout >> "Reversed Loop" >> endl; for (auto i : boost::adaptors::reverse(x)) std::cout >> i >> ''; }OutputNormal Loop 11 44 77 55 44 22 33 30 88 99 55 44 Reversed Loop 44 55 99 88 30 33 22 44 55 77 44 11
Read MoreC++ Program to Encode a Message Using Playfair Cipher
In this scheme, pairs of letters are encrypted, instead of single letters as in the case of simple substitution cipher.In playfair cipher, initially a key table is created. The key table is a 5×5 grid of alphabets that acts as the key for encrypting the plaintext. Each of the 25 alphabets must be unique and one letter of the alphabet (usually J) is omitted from the table as we need only 25 alphabets instead of 26. If the plaintext contains J, then it is replaced by I.The sender and the receiver deicide on a particular key, say ‘tutorials’. In a ...
Read MoreHow to read all the coming notifications in android?
This example demonstrate about How to read all the coming 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 src/MyListener.javapublic interface MyListener { void setValue (String packageName) ; }Step 3 − Add the following code to src/MyListener.javapackage app.tutorialspoint.com.notifyme ; import android.content.Context ; import android.service.notification.NotificationListenerService ; import android.service.notification.StatusBarNotification ; import android.util.Log ; public class NotificationService extends NotificationListenerService { private String TAG = this .getClass().getSimpleName() ; Context context ; static MyListener myListener ...
Read MoreCan we remove the Title Bar of a Frame in Java?
Yes, we can remove the title bar of a frame using the setUndecorated() method. Set it to TRUE if you don’t want to remove the Title Bar.The following is an example to remove the title bar of a frame in Java −Examplepackage my; import java.awt.GridLayout; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPasswordField; import javax.swing.JTextField; import javax.swing.SwingConstants; public class SwingDemo { public static void main(String[] args) throws Exception { JFrame frame = new JFrame("Login!"); JLabel label1, label2, label3; frame.setLayout(new GridLayout(2, 2)); label1 = new JLabel("DeptId", SwingConstants.CENTER); ...
Read MoreHow do I search for names starting with A in MySQL?
Use LIKE for this, as shown below −select *from yourTableName where yourColumnName LIKE 'A%';Let us first create a table −mysql> create table DemoTable ( StudentName varchar(100) ); Query OK, 0 rows affected (0.66 sec)Now you can insert some records in the table using insert command −mysql> insert into DemoTable values('John Smith'); Query OK, 1 row affected (0.21 sec) mysql> insert into DemoTable values('Adam Smith'); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable values('Aaron Taylor'); Query OK, 1 row affected (0.43 sec) mysql> insert into DemoTable values('Chris Brown'); Query OK, 1 row affected (0.27 sec)Display ...
Read MoreHow to make dotted/dashed line in iOS?
Knowing how to make dotted or dashed line is very important. You might develop a page where you ask user to enter fields, there you can represent the same with dotted line. Dotted line can also be used to highlight certain things in an application.The most important use is in the navigation application. While designing the navigation application you must know how to draw the path and you might end up using dotted lines.Let us see how we can achieve this functionality in iOS.Step 1 − Open Xcode → New Project → Single View Application → Let’s name it “DottedLine”Step ...
Read MoreHow to convert Stream to TreeSet in Java?
Let us first create a Stream:Stream stream = Stream.of("UK", "US", "India", "Australia", "Armenia", "Canada", "Poland");Now convert Stream to TreeSet:Set set = stream.collect(Collectors.toCollection(TreeSet::new));The following is an example to convert String to TreeSet in Java:Exampleimport java.util.Set; import java.util.TreeSet; import java.util.stream.Collectors; import java.util.stream.Stream; public class Demo { public static void main(String[] args) { Stream stream = Stream.of("UK", "US", "India", "Australia", "Armenia", "Canada", "Poland"); Set set = stream.collect(Collectors.toCollection(TreeSet::new)); set.forEach(val -> System.out.println(val)); } }OutputArmenia Australia Canada India Poland UK US
Read MoreC++ Program to Decode a Message Encoded Using Playfair Cipher
In this scheme, pairs of letters are encrypted, instead of single letters as in the case of simple substitution cipher.In playfair cipher, initially a key table is created. The key table is a 5×5 grid of alphabets that acts as the key for encrypting the plaintext. Each of the 25 alphabets must be unique and one letter of the alphabet (usually J) is omitted from the table as we need only 25 alphabets instead of 26. If the plaintext contains J, then it is replaced by I.The sender and the receiver deicide on a particular key, say ‘tutorials’. In a ...
Read More