Posts (page 13)
-
5 min readTo pass a 2D string array to a PowerShell script, you can define the array in your script and then pass it as an argument when invoking the script. You can do this by using the param keyword in your script to define the parameter that will accept the 2D array. Then, when calling the script, you can pass the 2D array as a parameter value. Make sure to properly format the array in the argument to match the structure of the 2D array in your script.
-
4 min readTo copy PowerShell help files to a Mac, you can use the PowerShellGet module to download help files from the PowerShell Gallery. First, you need to install the PowerShellGet module on your Mac by following the instructions provided by Microsoft. Once the module is installed, you can use the Install-Module command to download the help files you need.
-
6 min readTo add an external collection to an existing MongoDB database, you can use the mongoimport command-line tool. This tool allows you to import data from a JSON, CSV, or TSV file into a MongoDB collection.First, make sure you have the data file that you want to import into your database ready. Then, open a command prompt or terminal window and use the mongoimport command to specify the database name, collection name, and the path to the data file.
-
5 min readTo query XPath with PowerShell with namespaces, you can use the Select-Xml cmdlet. You need to specify the XML namespace in the XPath query using the namespace manager. Here is an example of how to query XPath with PowerShell with a namespace: $xml = [xml] @" <root xmlns:ns="http://example.com"> <ns:item>Item 1</ns:item> <ns:item>Item 2</ns:item> </root> "@ $namespaceManager = New-Object System.Xml.XmlNamespaceManager($xml.
-
4 min readTo group records based on array elements using MongoDB, you can use the $unwind operator to deconstruct the array field into individual documents. Then, you can use the $group operator to group the records by the array elements. This allows you to perform aggregation operations on the grouped data, such as counting the occurrences of each element or calculating the total value of a field for each element.
-
5 min readTo copy a file based on a matching file name using PowerShell, you can use the Copy-Item cmdlet. You can specify the source file using wildcard characters to match the file name, and then use the -Destination parameter to specify the destination folder where you want to copy the file. For example, to copy a file named "example.txt" from the current directory to another folder, you can use the following command: Copy-Item -Path .\*example.
-
5 min readTo unwind an array inside an object in MongoDB, you can use the $unwind aggregation stage in your query. This stage deconstructs an array field from a document and outputs a new document for each element of the array.To unwind an array inside an object, you would first match the document that contains the array field using the $match stage. Then, you would use the $unwind stage to unwind the array inside the object.
-
3 min readTo get the status of a service inside a Docker container using Powershell, you can use the following command: docker exec -it <container_id_or_name> powershell -command "Get-Service <service_name> Replace <container_id_or_name> with the actual ID or name of the Docker container, and <service_name> with the name of the service you want to check. This command will run Powershell inside the Docker container and show you the status of the specified service.
-
7 min readIn DynamoDB, you can use limits to control the amount of data retrieved or modified in a single request. There are two types of limits you can use: read limits and write limits. Read limits control the number of items or data that can be read in a single query or scan operation, while write limits control the number of items that can be written to the database in a single operation.
-
4 min readTo compare JSON in PowerShell, you can use the ConvertFrom-Json cmdlet to convert the JSON strings into PowerShell objects. Once the JSON strings are converted into objects, you can use the -eq operator to compare the objects. Additionally, you can also use the ConvertTo-Json cmdlet to convert the objects back into JSON strings for further comparison. You can compare the properties of the objects using logical operators such as -eq, -ne, -lt, -gt, etc.
-
4 min readTo recursively move files multiple times with PowerShell, you can use the Get-ChildItem cmdlet to retrieve a list of files in a directory, then iterate through each file and move it to the desired location using the Move-Item cmdlet. You can also use the -Recurse parameter with Get-ChildItem to include all files in subdirectories.
-
4 min readTo update an object in MongoDB using PHP, you can use the updateOne or updateMany methods provided by the MongoDB PHP library.First, you would need to establish a connection to your MongoDB database by creating a new MongoDB\Driver\Manager object and then selecting the appropriate database and collection.Next, you can use the updateOne or updateMany method to update the object in the collection.