Posts (page 107)
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4 min readTo handle PowerShell format-list output in C#, you can use the Format-List cmdlet in PowerShell to format the output as a list. Then, in your C# code, you can use the System.Diagnostics.Process class to run the PowerShell command and capture the output. You can then parse the output as needed to extract the information you require. Make sure to handle errors and exceptions that may occur during the process.
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4 min readTo get the updated lines from a text file in PowerShell, you can read the content of the file, make changes to the lines you want to update, and then write the updated content back to the same file. You can use the Get-Content cmdlet to read the content of the file, manipulate the lines as needed using PowerShell commands, and then use the Set-Content cmdlet to write the updated content back to the file. This way, you can easily update specific lines in a text file using PowerShell.
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7 min readTo generate a deadlock scenario in Oracle, multiple transactions must be running simultaneously and attempting to access the same resources in a conflicting manner. This can happen when one transaction holds a lock on a resource while waiting to acquire a lock on another resource that is already held by another transaction, which in turn is waiting for the lock held by the first transaction. As a result, both transactions are unable to proceed, causing a deadlock.
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5 min readTo iterate over a two-dimensional vector in Rust, you can use nested loops to access each element. First, loop over the rows of the vector using iter() or iter_mut() method on the vector. Then, within the nested loop, iterate over the columns of each row to access individual elements. Alternatively, you can use the iter() method with flat_map() to flatten the two-dimensional vector into a single iterator and then iterate over it.
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4 min readTo comment out a node in XML using PowerShell, you can use the following code snippet: $xml = [xml]@" <root> <node>123</node> </root> "@ $nodeToCommentOut = $xml.SelectSingleNode("//node") $commentNode = $xml.CreateComment($nodeToCommentOut.OuterXml) $nodeToCommentOut.ParentNode.ReplaceChild($commentNode, $nodeToCommentOut) $xml.Save("output.xml") In this code, we first load the XML document using the [xml] accelerator.
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5 min readIn Oracle SQL, a zero divisor refers to a situation where you are attempting to divide a number by zero. This is not allowed in mathematics as division by zero is undefined.To handle this situation in Oracle SQL, you can use a CASE statement to check if the divisor is zero before performing the division operation.
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5 min readTo generate a random instance of a custom struct in Rust, you can use the rand crate to generate random values for each field of the struct. You can define an implementation of the rand::Rand trait for your custom struct to specify how each field should be generated randomly. This allows you to create instances of your custom struct with random values for each field. Alternatively, you can use the serde crate to deserialize a random JSON value into an instance of your custom struct.
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3 min readIn PowerShell, you can get the name of an object property by using the Get-Member cmdlet. This cmdlet allows you to inspect the properties and methods of an object. You can also use the Select-Object cmdlet to select specific properties of an object and display only their names. By using these cmdlets together, you can effectively retrieve the name of an object property in PowerShell.[rating:69124b1f-7719-4c02-b18b-990e9c9271ea]What is the purpose of Get-Member in PowerShell.
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4 min readTo update XML by filtering nodes in Oracle, you can use the XMLQuery function along with the UPDATEXML function. First, use the XMLQuery function to filter the nodes you want to update based on a specific condition. Then, use the UPDATEXML function to update the selected nodes with the desired value or values.
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4 min readTo crop an image with OpenCV in Rust, you would first need to install the OpenCV library for Rust. Once you have the library set up, you can use the OpenCV functions to read an image file, select the region to crop, and then extract the cropped region.You can accomplish this by using the opencv crate in Rust and following these steps:Load the image file using the opencv::core::Mat::read function.
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5 min readTo get telnet output in PowerShell, you can use the "System.Net.Sockets.TcpClient" class to establish a connection to a telnet server and read the output. Here is a basic example of how you can achieve this: $server = "example.com" $port = 23 $tcpclient = New-Object System.Net.Sockets.TcpClient $tcpclient.Connect($server, $port) $stream = $tcpclient.GetStream() $reader = New-Object System.IO.StreamReader($stream) $reader.ReadToEnd() $tcpclient.
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3 min readPowerShell allows you to use embedded parameters to pass values to a script or function when calling it. This can be useful for dynamically changing the behavior of your script based on user input or other variables. To use embedded parameters in PowerShell, you can define parameters in the script or function using the Parameter attribute and then specify the values when calling the script or function.