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Articles by Chandu yadav
Page 69 of 81
8085 Program to perform sorting using selection sort
Now let us see a program of Intel 8085 Microprocessor. In this program we will see how to sort a sequence of numbers using selection sort.Problem Statement:Write 8085 Assembly language program to sort a given sequence using selection sort in ascending order. The numbers are stored at 8001H onwards. 8000H is holding the block size.Discussion:In the selection sorting technique, we will choose the minimum or the maximum term from a set of numbers. In this case we are considering the sorting in ascending order, so we are choosing the minimum number. By taking the minimum number, we are swapping it ...
Read MoreInterface 8255 with 8085 microprocessor for addition
In this program we will see how to perform addition by using ports to take data and send the result into the port.Problem StatementWrite 8085 Assembly language program for interfacing between 8085 and 8255. Here Port A and Port B are holding two values, take the numbers from port A and B, add them, and send the result at port C.DiscussionThe 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 B, add the content, and send it to port C.The control ...
Read MoreHow to find exact Array Match with values in different order using MongoDB?
To find exact array match with values in different order, you can use $all operator. Let us create a collection with documents. Following is the query>db.exactMatchArrayDemo.insertOne({"StudentName":"David", "StudentAge":22, "StudentGameScores":[45, 78, 98]}); { "acknowledged" : true, "insertedId" : ObjectId("5c9c94702d6669774125246c") } >db.exactMatchArrayDemo.insertOne({"StudentName":"Chris", "StudentAge":23, "StudentGameScores":[45, 78]}); { "acknowledged" : true, "insertedId" : ObjectId("5c9c94a42d6669774125246d") }Following is the query to display all documents from a collection with the help of find() method> db.exactMatchArrayDemo.find().pretty();This will produce the following output{ "_id" : ObjectId("5c9c94702d6669774125246c"), "StudentName" : "David", "StudentAge" : 22, "StudentGameScores" : [ 45, 78, ...
Read MoreHow can I add a new column which counts the number of rows as serial number in MySQL?
To add a new column that counts the number of rows as serial number, you can use the global variable in select statement.Let us create a table. The query to create a table is as follows:mysql> create table addColumnToCountAsSerialNumber -> ( -> Id int, -> Name varchar(20), -> Age int, -> Salary int -> ); Query OK, 0 rows affected (0.80 sec)Insert some records in the table using insert command. The query is as follows:mysql> insert into addColumnToCountAsSerialNumber values(10, 'John', 23, 8576); Query OK, 1 row affected (0.10 sec) mysql> insert into addColumnToCountAsSerialNumber values(12, ...
Read MoreAndroid image scale animation relative to center point?
This example demonstrate about Android image scale animation relative to center point.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 button to show image scaling animation(Zoom animation).Step 3 − Add the following code to src/MainActivity.javapackage com.example.andy.myapplication; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.view.animation.Animation; import android.view.animation.ScaleAnimation; import android.view.animation.TranslateAnimation; import android.widget.Button; import android.widget.ImageView; import android.widget.LinearLayout; public class MainActivity extends AppCompatActivity { ...
Read MoreHow to make count animation in Android TextView?
This example demonstrate about How to make count animation in Android TextView.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 count animation from 0 to 100.Step 3 − Add the following code to src/MainActivity.javapackage com.example.andy.myapplication; import android.animation.ValueAnimator; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.widget.TextView; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { ...
Read MoreHow to use android date change listener ?
Before getting into the example, we should know what is date picker and how does it work in android. The date picker is a subclass of frame layout and it allows to select the date, month and year.This example demonstrates how to use android date change listener.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 declare date picker to select the date. when you select the ...
Read MoreHow to show shaking / wobble view animation in android?
This example demonstrate about How to show shaking / wobble view animation 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 button to show shake animation for image view.Step 3 − Add the following code to src/MainActivity.javapackage com.example.andy.myapplication; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.view.animation.Animation; import android.view.animation.AnimationUtils; import android.view.animation.ScaleAnimation; import android.view.animation.TranslateAnimation; import android.widget.Button; import android.widget.ImageView; import android.widget.LinearLayout; public class ...
Read MoreHow to make a countdown timer in Android?
Before getting into an example, we should know what is a countdown timer in android. Count down timer as simple as we see in watches and mobile phones. we can set count down time after completion of time it will stop and get 0 values.There are four methods are available to use countdown timer as shown below -onTick(long millisUntilFinished ) - In this method we have to pass countdown mill seconds after done countdown it will stop Ticking.onFinish() - After finish ticking, if you want to call any methods or callbacks we can do in onFinish().start() - It is used ...
Read MoreHow to cancel an executing AsyncTask in Android?
Before getting into example, we should know what is AsyncTask in android. AsyncTask going to do operations/actions in background thread and update on mainthread. While doing background operations on background thread, user can cancel operations by using the following code -AsynTaskExample mAsyncTask = new AsyncTaskExample(); mAsyncTask.cancel(true);This example demonstrate about how to cancel an executing AsyncTask 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 when ...
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