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Articles on Trending Technologies
Technical articles with clear explanations and examples
Pin details and its address range in 8085 Microprocessor
Let us assume that we have a RAM chip of 2K x 8, It signifies that, we have 2 x 1024 = 2048 memory locations having information of 8 bits at each location. For selecting one of 2K = 211 memory locations in chip, there should be exactly input pins of 11 address lines. For bidirectional data transfer scheme, there should be eight pin involved in this process. The processor action involved in it is signified by the input pins RD* and WR*. Two pins are specified for grounding process of the pin and connecting of Direct Current of +5 ...
Read MoreTrap interrupt pin in 8085
A non-maskable interrupt is a Trap Interrupt which implies that whenever this pin gets activated, the 8085 always gets interrupted even if the state of 8085 is in DI. The input of Trap input is level sensitive and edge sensitive. Hence the Trap line always makes a transition from 0 to 1, and remains in state 1 until the end of the execution of an instruction for the interruption of 8085. A vectored-interrupt in 8085 is a TRAP. The starting address of 8085 is known by itself the of the ISS as 4.5 * 8 = 0024H. Hence we name the ...
Read MoreHow to android device is having low ram or high ram?
This example demonstrate about How to android device is having low ram or high ram.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 device is low ram device or high ram.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.app.ActivityManager; import android.content.Context; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.telephony.TelephonyManager; import android.view.WindowManager; import android.widget.TextView; public class MainActivity ...
Read MoreHow to get current country code from Network provider in android?
This example demonstrates about How to get the current country code from Network provider 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 a text view to show the current country code.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.Manifest; import android.content.pm.PackageManager; import android.location.Address; import android.location.Geocoder; import android.location.Location; import android.location.LocationManager; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AppCompatActivity; ...
Read MoreHow to Get the current language in Android device?
While doing internalization in android application, we should know what is the current language in android device. This example demonstrate about how to Get the current language in Android device.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. When user click on button, it will take device country name and language and append to text view.Step 3 − Add the following code ...
Read MoreHow to Transfer Files Using Wi-Fi Pair Connection in Android?
This example demonstrate about How to Transfer Files Using Wi-Fi Pair Connection in AndroidNeed Server and Client ProjectServerStep 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 src/MainActivity.javapackage com.server.myapplication.server; import android.annotation.SuppressLint; import android.net.wifi.WifiInfo; import android.net.wifi.WifiManager; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; ...
Read MoreHow to check if Location Services are enabled in iOS App?
Location services as the name suggests gather the user information via GPS, Wifi and cell towers. Every iOS device has on board GPS, WiFi, cell tower location data and Bluetooth to determine the location of the iPhone or iPad. The user can enable or disable location services from the Settings app by toggling the Location Services switch in General.You should check the return value of locationServiceEnabled() method before starting location updates to determine whether the user has location services enabled for the current device.To check if Location Services are enabled in iOS app checkout the codeOpen Xcode → New Project ...
Read MoreMySQL order by from highest to lowest value?
To order by from highest to lowest value, you can use ORDER BY DESC command −select *from yourTableName order by yourColumnName DESC;If you want the result from lowest to highest, you can use ORDER BY ASC command −select *from yourTableName order by yourColumnName ASC;Let us first create a table −mysql> create table DemoTable ( Value int ); Query OK, 0 rows affected (0.56 sec)Insert records in the table using insert command −mysql> insert into DemoTable values(134); Query OK, 1 row affected (0.20 sec) mysql> insert into DemoTable values(245); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable ...
Read MoreHow to create blur activity background in android?
This example demonstrate about How to create blue activity background 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 sample text.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.telephony.TelephonyManager; import android.view.WindowManager; import android.widget.TextView; public class MainActivity extends AppCompatActivity { private static final int PERMISSION_REQUEST_CODE ...
Read MoreIterate through LabelValue Tuple in Java
To iterate through the LabelValue tuple value, use a simple for loop just like what we do in other collections. Let us first see what we need to work with JavaTuples. To work with LabelValue class in JavaTuples, you need to import the following package −import org.javatuples.LabelValue;Note − Download JavaTuples Jar library to run JavaTuples program. If you are using Eclipse IDE, then Right Click Project -> Properties -> Java Build Path -> Add External Jars and upload the downloaded JavaTuples jar file. Refer the below guide for all the steps to run JavaTuples −Steps − How to run JavaTuples ...
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