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Articles by Arjun Thakur
Page 55 of 75
How to lock the Android device programmatically?
This example demonstrate about How to lock the Android device programmatically.Step 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 res/xml/policies.xml Step 4 − Add the following code to src/DeviceAdminpackage app.tutorialspoint.com.sample ; import android.app.admin.DeviceAdminReceiver ; import android.content.Context ; import android.content.Intent ; import android.widget.Toast ; public class ...
Read MoreHow to align views at the bottom of the screen in Android?
This example demonstrate about How to align views at the bottom of the screen in Android.Step 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.java Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.os.Bundle ; import android.support.v7.app.AppCompatActivity ; public class MainActivity extends AppCompatActivity { @Override protected void onCreate (Bundle savedInstanceState) { super .onCreate(savedInstanceState) ; setContentView(R.layout. activity_main ) ; } }Step 4 − Add the following code to androidManifest.xml ...
Read MoreAdd data to existing data in a MySQL Database?
You can use CONCAT() function for this. Let us first create a table −mysql> create table DemoTable ( UserId int NOT NULL AUTO_INCREMENT PRIMARY KEY, UserName varchar(100) ); Query OK, 0 rows affected (0.43 sec)Insert records in the table using insert command −mysql> insert into DemoTable(UserName) values('John'); Query OK, 1 row affected (0.24 sec) mysql> insert into DemoTable(UserName) values('Chris'); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable(UserName) values('Robert'); Query OK, 1 row affected (0.11 sec)Display all records from the table using select statement −mysql> select *from DemoTable;This will produce the following output −+--------+----------+ ...
Read MoreHow do I exclude a specific record in MySQL?
You can exclude a specific record in SQL using not equal to operator(!=). Let us first create a table−mysql> create table DemoTable ( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, ClientName varchar(20), ClientCountryName varchar(10) ); Query OK, 0 rows affected (0.64 sec)Insert records in the table using insert command −mysql> insert into DemoTable(ClientName, ClientCountryName) values('John', 'US'); Query OK, 1 row affected (0.20 sec) mysql> insert into DemoTable(ClientName, ClientCountryName) values('David', 'AUS'); Query OK, 1 row affected (0.23 sec) mysql> insert into DemoTable(ClientName, ClientCountryName) values('Mike', 'UK'); Query OK, 1 row affected (0.14 sec)Display all records from the ...
Read MoreHow to select the first column in a JTable with Java?
To select the first column in a JTable, use the setColumnSelectionInterval() method. Here, set the indexes as interval for one end as well as other end.For the first column, set the range as 0 and 0 since we want to only select the first column with index 0 −table.setColumnSelectionInterval(0, 0);The following is an example to select the first column in a JTable −Examplepackage my; import java.awt.Color; import javax.swing.BorderFactory; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.ListSelectionModel; import javax.swing.border.TitledBorder; public class SwingDemo { public static void main(String[] args) { JFrame frame = new JFrame(); ...
Read MoreCan we use WHERE, AND & OR in a single MySQL query?
Yes, we can use all of them in a single query. Let us first create a table −mysql> create table DemoTable ( StudentId int, StudentFirstName varchar(20), StudentLastName varchar(20), StudentAge int ); Query OK, 0 rows affected (0.53 sec)Insert records in the table using insert command −mysql> insert into DemoTable values(100, 'John', 'Smith', 23); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable values(101, 'Carol', 'Taylor', 24); Query OK, 1 row affected (0.62 sec) mysql> insert into DemoTable values(103, 'John', 'Doe', 22); Query OK, 1 row affected (0.24 sec) mysql> insert into DemoTable ...
Read More8085 program for hexadecimal counter
Now let us see a program of Intel 8085 Microprocessor. In this program we will see how to simulate the hexadecimal counter.Problem StatementWrite 8085 Assembly language program to simulate hexadecimal counter.DiscussionHexadecimal counters in 8085 is similar to the binary counter. There are two different parts. The main counting part and the delay part. We have to define a delay subroutine to generate delay between each number while counting. We are considering that we have some external display which are connected through IO port, that will display the result in hexadecimal form.InputHere we are not providing any input.Flow Diagram ProgramAddressHEX CodesLabelsMnemonicsCommentsF00006, FF MVI ...
Read MoreHow to select all distinct filename extensions from a table of filenames in MySQL?
You can use DISTINCT along with SUBSTRING_INDEX() to extract the filename extensions. Let us first create a table−mysql> create table DemoTable ( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, FileName text ); Query OK, 0 rows affected (0.75 sec)Insert records in the table using insert command −mysql> insert into DemoTable(FileName) values('AddTwoValue.java'); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable(FileName) values('Image1.png'); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable(FileName) values('MultiplicationOfTwoNumbers.java'); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable(FileName) values('Palindrome.c'); Query OK, 1 row affected (0.16 sec) mysql> insert ...
Read MoreHow can we get the values of a JProgressBar Component and display in Console?
Let’s say we have set the following values for JProgressBar −int min = 0; int max = 1000; progressBar = new JProgressBar(min, max);Now, get the above values and display in the Console −int value = progressBar.getValue(); System.out.println("Value = "+value); System.out.println("Minimum = "+progressBar.getMinimum()); System.out.println("Maximum = "+progressBar.getMaximum());The following is an example to get the values of a progress bar component −Examplepackage my; import javax.swing.*; public class SwingDemo extends JFrame { JProgressBar progressBar; int i = 0; SwingDemo() { int min = 0; int max = 1000; progressBar = new JProgressBar(min, ...
Read More8085 program to count total odd numbers in series of 10 numbers
In this program we will see how to count number of odd numbers in a block of elements.Problem StatementWrite 8085 Assembly language program to count number of odd numbers in a block of data, where the block size is 10D. The block is starting from location 8000H.DiscussionThe Odd Even checking is very simple. we can determine one number is odd or even by checking only the LSb. When LSb is 1, the number is odd, otherwise it is even. In this program we are taking a number from memory and then ANDing 01H with it. if the result is nonzero, ...
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