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Articles on Trending Technologies
Technical articles with clear explanations and examples
How to convert pixels to dp in an Android App using Kotlin?
This example demonstrates how to convert pixels to dp in an Android App using Kotlin.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 src/MainActivity.ktimport android.content.Context import android.os.Bundle import android.widget.Button import android.widget.TextView import androidx.appcompat.app.AppCompatActivity import kotlin.math.roundToInt class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) title = "KotlinApp" ...
Read MoreHow to create a Custom Ratingbar in Android using Kotlin?
This example demonstrates how to create a Custom Ratingbar in Android using Kotlin.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 src/MainActivity.ktimport android.os.Bundle import android.widget.Button import android.widget.RatingBar import android.widget.RatingBar.OnRatingBarChangeListener import android.widget.TextView import android.widget.Toast import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() { lateinit var ratingBar: RatingBar lateinit var button: Button lateinit var textView: TextView override fun onCreate(savedInstanceState: Bundle?) { ...
Read MoreHow do I restart an Android Activity using Kotlin?
This example demonstrates how to restart an Android Activity using Kotlin.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 src/MainActivity.ktimport android.os.Bundle import android.widget.Button import android.widget.TextView import androidx.appcompat.app.AppCompatActivity import java.util.* class MainActivity : AppCompatActivity() { lateinit var textView: TextView lateinit var button: Button var random: Random = Random() override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) ...
Read MoreAndroid imageView Zoom-in and Zoom-Out using Kotlin?
This example demonstrates how to implement Android imageView zoom-in and Zoom out using kotlin.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 src/MainActivity.ktimport android.os.Bundle import android.view.MotionEvent import android.view.ScaleGestureDetector import android.view.ScaleGestureDetector.SimpleOnScaleGestureListener import android.widget.ImageView import androidx.appcompat.app.AppCompatActivity import kotlin.math.max import kotlin.math.min class MainActivity : AppCompatActivity() { private lateinit var scaleGestureDetector: ScaleGestureDetector private var scaleFactor = 1.0f private lateinit var imageView: ImageView override fun ...
Read MoreHow to use Push-Location and Pop-Location command in PowerShell?
Push-Location command in PowerShell is used to push (add) the current location to the location stack (Last In First Out (LIFO) - queue) while the Pop-Location is to retrieve the last location from the stack.When the PowerShell console opens there are no locations set to the stack.PS C:\> Get-Location -Stack PS C:\>When you type the Push-Location command it performs two operations at a time. First, it saves the current location to the top of the stack, and second, it browse the path specified. If there is no path specified then it only moves the current location to the stack. For ...
Read MoreHow to use the Set-Location command in PowerShell?
Set-Location command in PowerShell is used to set the location of the drive from the current directory. The drive could be the local drive, folder path, shared path, registry, or any environmental variable.This command is very useful while writing the script because many times we need multiple files from the same folder and each time we need to mention the full path. This command allows us to set the path at the beginning of the script and then we can directly browse the path from the current directly.Example 1 − The below command sets the location from the C: to ...
Read MoreWhat is PowerShell Desired State Configuration?
Although DSC is a very large topic, we will quickly summarize it in this article with the needed concepts to what exactly it is and how we can implement it.PowerShell Desired State Configuration (DSC) is an Infrastructure automation tool and used for Infrastructure as a Code (Iaac). Besides, DSC can also be used as an Inventory management tool like to get the specific inventory from the servers if they exist or not. PowerShell and DSC both are different things. However, DSC can be implemented using PowerShell.PowerShell script uses Imperative model means we need to write the script how we will ...
Read MoreHow to convert the hashtable to the JSON format using PowerShell?
To convert the hashtable to the JSON format we can use the ConvertTo-Json command. First, we have the following hashtable,Example$Body = [PSCustomObject]@{ AppName = 'StorageXIO' AppID ='xo2ss-12233-2nn12' License = 'valid' }To convert the hashtable to the JSON format,$Body | ConvertTo-JsonOnce you run the above command, properties are converted to the JSON format.Output{ "AppName": "StorageXIO", "AppID": "xo2ss-12233-2nn12", "License": "valid" }
Read MoreHow to add help in the PowerShell function?
When we write a program, people from a non-programming background often expect to get much possible help related to the program. When we write the function and we declare the parameters, people who are unaware of what kind of input the parameter need, generally search for the help first using the Get-Help command and then they find only the parameters but not the description of it. For example, function TestFunct{ param( #16 Digit Application ID [parameter(Mandatory=$true)] [String]$AppID, #Date in the Unix Format - 2020-10-31T17:12:10+0530 [String]$Date ...
Read MoreHow to enable or disable local user on Windows OS using PowerShell?
To disable the local user on the windows OS using PowerShell, we can use the Disable-Localuser command provided by the local user name. In the below example, we are going to disable the local user called TestUser.Disable-LocalUser -Name TestUserIf we see the GUI, the user account is disabled.To enable the above user, we can use the Enable-LocalUser command.Enable-LocalUser -Name TestuserTo run the above command on the remote computer, we can use the Invoke-Command method. We need to make sure local user account exist on the remote computer.Invoke-Command -ComputerName Test1-Win2k12, Test1-Win2k16 -ScriptBlock{ Enable-Localuser -Name TestUser }Invoke-Command -ComputerName Test1-Win2k12, Test1-Win2k16 -ScriptBlock{ ...
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