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Articles on Trending Technologies
Technical articles with clear explanations and examples
What is a Litecoin?
Just like our fiat currency, we have dozens of cryptocurrencies which are ruling the digital world now. Litecoin is created based on an open source cryptographic protocol and was started in October 2011 as an early bitcoin spinoff. It is a decentralized money, free from censorship and used to send secure payments digitally.According to the market capitalization, LiteCoin is the third largest cryptocurrency after BitCoin and XRP, and like other cryptocurrencies, Litecoins does not allow transactions in US Dollars. They conduct transactions in Litecoin units.The total number of Litecoins that can ever be mined is capped at 84 million. The ...
Read MoreDifference between Structures in C and C++
Here we will see what are the differences between structures in C and structures in C++. The C++ structures are mostly like classes in C++. In C structure, all members are public, but in C++, they are private in default. Some other differences are listed below.C StructureC++ StructureStructures in C, cannot have member functions inside structures.Structures in C++ can hold member functions with member variables.We cannot initialize the structure data directly in C.We can directly initialize structure data in C++.In C, we have to write ‘struct’ keyword to declare structure type variables.In C++, we do not need to use ‘struct’ ...
Read MoreProgram for adding 2 numbers input from keyboard in 8085 Microprocessor
We write an 8085 assembly language program of two input using two 2-digit hexadecimal numbers from the keyboard and then we add and the output results in the address field.FILE NAME ADD2NUM.ASM ORG C000H CURAD: EQU FFF7H UPDAD: EQU 06BCH CLEAR: EQU 044AH GTHEX: EQU 052FH MVI A, 0EH SIM EI ; Unmask RST5.5 and enable interrupts MVI B, 01 CALL GTHEX ; Input a 2 digit number and display in data field MOV A, E STA C100H ; Store the 2-digit hex number in C100H MVI B, 01 CALL GTHEX ; Input a 2 digit number and display in ...
Read MoreHow to get android application last update information?
This example demonstrate about How to get android application last update information.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 last update date.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.app.ActivityManager; import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; 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; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Date; import ...
Read MoreHow many locking systems are there in JDBC?
You can lock a record, set of records, database table, table-space etc. and when we do we cannot change the locked values. Following are the types of locking in JDBC:Row and Key Locks: These are used to lock a particular row. Using these locks, you can achieve concurrency.Page Locks: These are used to lock a page. If you apply this, whenever the contents of a row changes, the database locks the entire page which holds the row. If you need to update/change large number of rows at once you can use this lock.Table Locks: You can lock a table using ...
Read MoreHow to check android mobile supports TEMPERATURE sensor?
This example demonstrate about How to check android mobile supports TEMPERATURE sensorStep 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 TEMPERATURE sensor information.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.annotation.SuppressLint; import android.content.Context; import android.hardware.Sensor; import android.hardware.SensorManager; 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 ...
Read MoreHow to get file extension of file as a result of MySQL query?
In order to get file extension of file as a result of SQL query, you can use SUBSTRING_INDEX().The syntax is as followsselect substring_index(yourColumnName, '.', -1) as anyAliasName from yourTableName;To understand the above syntax, let us create a table. The query to create a table is as followsmysql> create table getFileExtensionDemo -> ( -> File_Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> File_Name text -> ); Query OK, 0 rows affected (0.53 sec)Insert some records in the table using insert command.The query is as followsmysql> insert into getFileExtensionDemo(File_Name) values('John.AllMySQLConcept.doc'); Query OK, 1 row affected (0.17 sec) mysql> ...
Read MoreHow to make an Android device vibrate?
In android, using vibrate service, we can vibrate android mobile. This example demonstrate about how to make an Android device vibrateStep 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 textview, when you click on textview. it will vibrate.Step 3 − Add the following code to src/MainActivity.javapackage com.example.andy.myapplication; import android.content.Context; import android.content.Intent; import android.os.Build; import android.os.Bundle; import android.os.VibrationEffect; import android.os.Vibrator; import android.support.v7.app.AppCompatActivity; import android.view.View; import ...
Read MoreForeach in C++ vs Java
In C++ and Java, there is another kind of loop, called the foreach loop. This is basically a modification of for loop. This loop is used to access the data from some container. This can access the elements of some array quickly without performing initialization. This loop is used to do something for each element of a container, not doing things n times.Now let us see how the foreach loop is used in C++ and Java.Example#include using namespace std; int main() { int arr[] = { 11, 22, 33, 44, 55, 66, 77, 88, 99 }; for (int a : arr) //foreach loop cout
Read MoreProgram for adding 4 hex digits of a 16-bit number in 8085 Microprocessor
We write an 8085 assembly language program for the addition of 4 hex digits of a 16-bit number whose input is given from the keyboard and the result is displayed in the data field.FILE NAME ADDHEX.ASM ORG C000H CURDT: EQU FFF9H UPDDT: EQU 06D3H GTHEX: EQU 052FH HXDSP: EQU 05A1H OBUFF: EQU FFFAH MVI A, 0EH SIM EI ; Unmask RST5.5 and enable interrupts MVI B, 00 CALL GTHEX ; Input a 4 digit number and display in address field CALL HXDSP ; Store the 4 hex digits in 4 locations starting from OBUFF LXI H, OBUUF MOV A, M ...
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