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Articles on Trending Technologies
Technical articles with clear explanations and examples
How to use the Timeout command in PowerShell?
Timeout.exe is actually a cmd command which can also be used in PowerShell. Let see the help related to Timeout command.timeout /?If we see the timeout parameters list we can use /T which indicates the Time in seconds and /NoBreak command, which Ignores any key for the specified time.ExampleWrite-Output "Timeout is for 10 seconds" Timeout /T 10 Write-Output "This line will be executed after 10 seconds if not interuptted"OutputPS C:\> C:\Temp\TestPS1.ps1 Timeout is for 10 seconds Waiting for 5 seconds, press a key to continue ...Please note: In the above example, the user can interrupt the timeout seconds using any key to disallow ...
Read MoreHow to send email using PowerShell?
To send email using PowerShell, there are multiple methods but there is a simple command called SendMailMessage. This command is a part of the module called Microsoft.PowerShell.UtilityTo send email using the specific SMTP server we need to add the SMTP server parameter.Send-MailMessage ` -From 'User1@TestDomain.com' ` -To 'User2@TestDomain.com' ` -Subject 'Test Email' ` -SmtpServer 'Smtp.TestDomain.com'In the above example, an email will be sent from the -From parameter, a user to -To parameter users with the subject name ‘Test Email’ with the specified SMTP server name.If you have multiple users then you can separate them using a ...
Read MoreHow to retrieve Azure VMs using PowerShell?
To retrieve the azure VMs using PowerShell, we can use Get-AzVM commands but before that make sure you logged in using Azure Credentials in the console. When you type this command, you will get the list of all VMs in the specified subscription.To check which all properties are supported you can use theGet-AzVM | gm -MemberType PropertiesYou can select different properties from there using the Select-Object command (Alias: Select). To retrieve the VMs from the specific ResourceGroup, use the below command.Get-AzVM -ResourceGroupName AUTOMATIONTESTRG2If your VM is in a different subscription then you need to switch the subscription and need to ...
Read MoreHow to Install Azure PowerShell Cmdlets?
Before Installing the Azure cmdlets for PowerShell, it is recommended to upgrade it to the PowerShell version 7.X to leverage the new features.To install the PowerShell cmdlets for Azure, you need to download and install the AZ module.Install-Module -Name Az -AllowClobber -Scope CurrentUserTo install it for all the users, Install-Module -Name Az -AllowClobber -Scope AllUsersIf the AzureRM module is already installed, you first need to uninstall it because both modules AzureRM and AZ cannot reside in the same console and the AzureRm module is going to decommission soon. So anyway we need to upgrade it to the latest AZ Module.To ...
Read MoreHow to connect Azure Account using PowerShell?
To connect the azure account with PowerShell, we can use the Connect-AZAccount command. If we check the command parameters from the below URL, there are multiple methods we can connect to the azure account but in this article, we will use the simple methods to connect.Using the Interactive console to connect portalUsing DeviceLogin method.Using Credentials method.Using the Interactive console method to connect the portal.When we use the Connect-AZAccount directly without any parameter, it will open a popup for the azure portal credential.You need to enter your Azure credentials there.Using Device Login method.In this method, Connect-AZAccount uses the parameter -DeviceLogin. Once ...
Read MoreHow to change data.table object columns value to maximum in R?
Sometimes we need to compare the maximum values or set some column of a data frame or data.table object to their maximums, especially in research studies that may require biasedness. Therefore, we can set all the column values to maximum. In case of a data.table object, we can use single square bracket to access and assign the column values to their maximum as shown in the below examples.ExampleLoading data.table package and creating a data.table object −> library(data.table) > x1 x2 DT1 DT1Outputx1 x2 1: 3 4 2: 3 5 3: 5 6 4: 10 5 5: 8 2 6: 3 ...
Read MoreHow to use mtext function to create the X-axis labels in base R?
The mtext function can help us to create X-axis or Y-axis labels and we can put these labels to places desired by us with the help of at argument. For example, if we want to use capital letters starting from A to J that are 10 characters on the X-axis labels then it can be done by using the below command −mtext(text=LETTERS[1:10],outer=FALSE,side=1,las=1,at=1:10)Example> plot(1:10,xaxt="n")OutputExample> mtext(text=LETTERS[1:10],outer=FALSE,side=1,las=1,at=1:10)Output
Read MoreFirst non-repeating character using one traversal of string in C++
In this tutorial, we are going to learn how to find the first non-repeating character in the given string. Let's see an example.Input −tutorialspointOutput −uLet's see the steps to solve the problem.Initialize the string.Initialize a map char and array to store the frequency of the characters in the string.Iterate over the string.Find the frequency of each character and store them in the map.Store the index of the character as well.Iterate over the character frequencies in the map.Print the first character with the frequency 1.ExampleLet's see the code.#include #include using namespace std; void findDistinctCharacters(string random_string) { // initializing ...
Read MoreHow do I pass options to the Selenium Chrome driver using Python?
We can pass options to the Selenium Chrome driver using Python. This can be with the help of the ChromeOptions and the DesiredCapabilities class. For the ChromeOptions, we have to create an object for that class.Then we shall take the help of the add_argument method and pass the option we want to send to the browser as a parameter to the method. Finally, this information must be given to the web driver.ExampleCode Implementation.from selenium import webdriver from selenium.webdriver.chrome.options import Options as ChromeOptions #object of ChromeOptions op = webdriver.ChromeOptions() #add option op.add_argument('--enable-extensions') #pass option to webdriver object driver = webdriver.Chrome(chrome_options=op)We can ...
Read MoreDownloading file to specified location with Selenium and python.
We can download files to a specified location with Selenium in Python. This is done by the help of the ChromeOptions class. We shall set the preferences of the browser and pass the download.default_directory parameter.We need to mention the path of the download directory with that parameter. This preference is sent to the ChromeOptions object with the add_experimental_option method.Finally, this browser information is shared with the driver object.Syntaxop = webdriver.ChromeOptions() p = ("download.default_directory": "C:\Users", "safebrowsing.enabled":"false") op.add_experimental_option("prefs", p) driver = webdriver.Chrome(chrome_options=op)ExampleCode Implementation.from selenium import webdriver from selenium.webdriver.common.by import By #object of ChromeOptions op = webdriver.ChromeOptions() #set download directory path p = ("download.default_directory": "C:\Users""safebrowsing.enabled":"false") ...
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