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Articles on Trending Technologies
Technical articles with clear explanations and examples
Add DATE and TIME fields to get DATETIME field in MySQL?
You can use CONCAT() function to set date and time fields to get DATETIME field.Let us create a demo tablemysql> create table getDateTimeFieldsDemo -> ( -> ShippingDate date, -> ShippingTime time, -> Shippingdatetime datetime -> ); Query OK, 0 rows affected (0.50 sec)Insert some records in the table using insert command. The query is as follows −mysql> insert into getDateTimeFieldsDemo(ShippingDate, ShippingTime) values('2018-01-21', '09:45:34'); Query OK, 1 row affected (0.16 sec) mysql> insert into getDateTimeFieldsDemo(ShippingDate, ShippingTime) values('2013-07-26', '13:21:20'); Query OK, 1 row affected (0.13 sec) mysql> ...
Read MoreHow to handle orientation change android?
This example demonstrate about How to handle orientation change 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. In the above code, we have taken text view to show orientation changes.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.content.res.Configuration; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.widget.TextView; public class MainActivity extends AppCompatActivity { TextView actionEvent; @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP) @Override protected void onCreate(Bundle ...
Read MoreHow to refresh Singleton class every one hour in android?
Before getting into example, we should know what singleton design patter is. A singleton is a design pattern that restricts the instantiation of a class to only one instance. Notable uses include controlling concurrency, and creating a central point of access for an application to access its data store.This example demonstrate about How to refresh Singleton class every one hour 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. In ...
Read MoreJavaTuples setAt1 () method for Quartet class
The setAt1() method is used to set the Quartet value in JavaTuples and a copy with new value at the specified index i.e. index 1 here.Let us first see what we need to work with JavaTuples. To work with Quartet class in JavaTuples, you need to import the following package −import org.javatuples.Quartet;Note − Steps to download and run JavaTuples program. If you are using Eclipse IDE to run Quartet Class in JavaTuples, then Right Click Project → Properties → Java Build Path → Add External Jars and upload the downloaded JavaTuples jar file.The following is an example −Exampleimport org.javatuples.Quartet; public ...
Read MoreWhat are JSP comments?
JSP comment marks text or statements that the JSP container should ignore. A JSP comment is useful when you want to hide or "comment out", a part of your JSP page.Following is the syntax of the JSP comments −Following example shows the JSP Comments − A Comment Test A Test of Comments The above code will generate the following result −A Test of Comments
Read MoreHow to handle right to left swipe gestures?
This example demonstrate about How to handle right to left swipe gesturesStep 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. In the above code, we have taken button view to handle swapsStep 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.content.ActivityNotFoundException; import android.content.Intent; import android.content.pm.ResolveInfo; import android.content.res.Configuration; import android.graphics.PixelFormat; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.view.Gravity; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.view.WindowManager; import ...
Read MoreAssembly program to transfer the status of switches
In this program we will see how to transfer the switch values from one port to another using 8085 and 8255 chip.Problem Statement:Write 8085 Assembly language program for interfacing between 8085 and 8255. Here eight switches are connected at port A. Transfer the status of these switches into port B. In port B the LEDs are connected.Discussion:The task is very simple. At first we have to setup the control word register of 8255 chip. After that we will take the input from port A, and send it to port B.The control word register is looks like this. It is holding ...
Read MoreHow to use changes () in Android sqlite?
Before getting into an example, we should know what sqlite data base in android is. SQLite is an open source SQL database that stores data to a text file on a device. Android comes in with built-in SQLite database implementation. SQLite supports all the relational database features. In order to access this database, you don't need to establish any kind of connections for it like JDBC, ODBC etc.This example demonstrate about How to use changes () in Android sqlite.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to ...
Read MoreHow to use action in JSP?
The getProperty action is used to retrieve the value of a given property and converts it to a string, and finally inserts it into the output.The getProperty action has only two attributes, both of which are required. The syntax of the getProperty action is as follows − ... Following table lists out the required attributes associated with the getProperty action −Sr.No.Attribute & Description1nameThe name of the Bean that has a property to be retrieved. The Bean must have been previously defined.2propertyThe property attribute is the name of the Bean property to be retrieved.ExampleLet us define a test bean that will ...
Read MoreHow to find its first non-repeating character in a given string in android?
This example demonstrate about How to find its first non-repeating character in a given string 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.xml. In the above code, we have taken text view to show first non-repeating character.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.widget.TextView; import java.lang.reflect.Array; import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.HashSet; ...
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