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Articles on Trending Technologies
Technical articles with clear explanations and examples
How to find Elements in a Webpage using JavaScript in Selenium?
We can find elements in a web page with the help of JavaScript. We can also validate the elements returned by the JavaScript methods in the browser Console (Pressing F12). JavaScript methods to find elements are −getElementsByTagnameTo obtain a collection of elements with the matching tagname passed as parameter to the method. If there are no matching elements, an empty collection is returned.Syntaxdocument.getElementsByTagName("") To get the first matching element, document.getElementsByTagName("")[0]getElementsByNameTo obtain a collection of elements with the matching value of name attribute passed as parameter to the method. If there are no matching elements, an empty collection is returned.Syntaxdocument.getElementsByName("") To ...
Read MoreHow to get text found between span – Selenium
We can get the text found within the span tag with Selenium webdriver.The text of a web element can be captured with the method getText. Let us see an example of an element having the text - © Copyright 2021. All Rights Reserved enclosed within the span tag.SyntaxWebElement l = driver.findElement(By.xpath("//p/span")); String s = l.getText();Exampleimport org.openqa.selenium.By; import org.openqa.selenium.WebDriver; import org.openqa.selenium.WebElement; import org.openqa.selenium.firefox.FirefoxDriver; import java.util.concurrent.TimeUnit; public class SpanText{ public static void main(String[] args) { System.setProperty("webdriver.gecko.driver", "C:\Users\ghs6kor\Desktop\Java\geckodriver.exe"); WebDriver driver = new FirefoxDriver(); //implicit wait driver.manage().timeouts().implicitlyWait(5, TimeUnit.SECONDS); ...
Read MoreHow to specify "ENTER" button functionality in Selenium WebDriver code?
To specify ENTER button functionality in Selenium webdriver we have to use the method sendKeys. To simulate pressing the ENTER button, we have to add the statement import org.openqa.selenium.Keys to our code.Then pass the parameter – Keys.RETURN or Keys.ENTER to the sendKeys method.Let us make an attempt to press the ENTER button after entering some text in the Google search input box −ExampleCode Implementation with Keys.ENTERimport org.openqa.selenium.By; import org.openqa.selenium.WebDriver; import org.openqa.selenium.WebElement; import org.openqa.selenium.firefox.FirefoxDriver; import java.util.concurrent.TimeUnit; import org.openqa.selenium.Keys; public class EnterOperation{ public static void main(String[] args) { System.setProperty("webdriver.gecko.driver", "C:\Users\ghs6kor\Desktop\Java\geckodriver.exe"); WebDriver driver = new FirefoxDriver(); ...
Read MoreHow to print text from a list of all web elements with same class name in Selenium?
We can get the text from a list of all web elements with the same class name in Selenium webdriver. We can use any of the locators like the class name with method By.className, xpath with method By.xpath, or css with method By.cssSelector.Let us verify a xpath expression //h2[@class='store-name'] which represents multiple elements that have the same class name as store-name. If we validate this in Console with the expression - $x("//h2[@class='store-name']"), it yields all the matching elements as shown below:Also, since we need to obtain multiple elements, we have to use the findElements method which returns a list. We ...
Read MoreGecko driver, Selecting value from a dropdown list using Selenium
We can use the Selenium webdriver scripts in Firefox (versions>47) with the help of the geckodriver.exe executable file. First, we have to download this file from the following link −https://github.com/mozilla/geckodriver/releasesOnce we navigate to the mentioned URL, we have to click a link based on the operating system (Windows, Linux or Mac) we are presently using. As the download gets over, a zip file is created. We have to extract the zip file and store the geckodriver.exe file in a desired location.Then, we have to configure the path of the geckodriver.exe file using the System.setProperty method along with creating an object ...
Read MoreArrays in Arduino
Declaring an ArrayIn order to declare an array, you follow the syntax give below −Syntaxtype array_name[array_size];Exampleschar buf[500]; int new_array[200];Accessing elements of the arrayThe array element numbering starts from 0. The element can be accessed by specifying the index of the element in square brackets against the name of the array. For instance −int second_element = new_array[1];Getting length of arrayThe length of the array can be accessed using the sizeof() function.For example, int buf_len = sizeof(buf);Please note that the sizeof() function returns the number of bytes, and not the number of elements. If you have an int array, and int is ...
Read MoreHow to delete hidden files and folders using PowerShell?
If we want to delete the hidden files and folders from the C:\temp on the local computer, we need to use the command shown in this example.ExampleBut first, the below command helps us to retrieve the hidden files and folders from the C:\temp.Get-ChildItem C:\Temp -Hidden -RecurseWe just need to pipe the Remove-Item command and to remove forcibly use -Force parameter.Get-ChildItem C:\Temp -Hidden -Recurse | Remove-Item -Force -VerboseOutput
Read MoreHow to use the ConvertFrom-StringData command in PowerShell?
The ConvertFrom-String command converts the String to the Hashtable format as shown below.ExamplePS C:\> "This is string" | ConvertFrom-StringOutputP1 P2 P3 -- -- -- This is stringIn the above example, We haven’t specified any header so that the output is separated the delimiter by space P1, P2 and continuous. By default, this command separates the string with a ‘=’ delimiter as shown below.Example$stringhash = @" Name = Spooler Starttype = Manual Status = Stopped "@ $stringhash | ConvertFrom-StringDataOutputName Value ---- ----- ...
Read MoreHow to add multiple values in the Hashtable using PowerShell?
ExampleFor example, we have a below-created hashtable.PS C:\> $servicehash = @{Name='Spooler';State='Stopped';StartType='Automatic'} PS C:\> $servicehashOutputName Value ---- ----- Name Spooler StartType Automatic State StoppedWe need to add multiple values to the Name Key. If we directly append the value to the key it will treat it as a string and we will not get the desired output. See the example below.ExamplePS C:\> $servicehash.Name += "Winrm" PS C:\> $servicehashOutputName Value ---- ----- Name SpoolerWinrm StartType Automatic State StoppedSo to add the multiple ...
Read MoreHow to get the folder size using PowerShell?
We will first retrieve the content of the folder using the Get-ChildItem command and then pipeline the Measure-Object command as shown below.Get-ChildItem C:\Temp\ -Recurse | Measure-Object -Property Length -SumOutputCount : 1514 Average : Sum : 372060503 Maximum : Minimum : Property : LengthSo the above output shows that there is a total of 1514 files and folders and the sum shows the size of all the files and folders combined in KB. We can convert it to the MB as shown below.(Get-ChildItem C:\Temp\ -Recurse | Measure-Object -Property Length -Sum).Sum / 1MB 354.824545860291We can get the round figure, [Math]::Round( ...
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