Posts (page 104)
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3 min readIn PowerShell, you can split a string by another string using the Split method or the -split operator.To split a string by a specific string using the Split method, you can use the following syntax: $string.Split('separator') To split a string by a specific string using the -split operator, you can use the following syntax: $string -split 'separator' Both methods will return an array of substrings that were separated by the specified separator string.
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3 min readTo run PowerShell in Command Prompt, you can simply type 'powershell' and press enter. This will open a new PowerShell window within the Command Prompt window. You can then start entering PowerShell commands as you normally would in a standalone PowerShell session. To return to the Command Prompt, simply type 'exit' and press enter.[rating:69124b1f-7719-4c02-b18b-990e9c9271ea]How to get help for a PowerShell cmdlet in CMD.
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4 min readTo concatenate rows separated by a space in Oracle, you can use the LISTAGG function. This function allows you to concatenate values from multiple rows into a single string. Here is an example of how to use the LISTAGG function to concatenate rows separated by a space:SELECT LISTAGG(column_name, ' ') WITHIN GROUP (ORDER BY column_name) AS concatenated_rows FROM table_name;This query will concatenate the values from the specified column in the table, separated by a space.
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5 min readTo get the timestamp with timezone in Rust, you can use the chrono library which provides functionalities for working with dates and times. You can use the Utc timestamp to get the current timestamp in Coordinated Universal Time (UTC) and then convert it to the desired timezone using the chrono::DateTime::with_timezone() method. You can also specify the timezone by using the chrono::FixedOffset struct.
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3 min readTo check if a file is older than a certain time with PowerShell, you can use the Get-Item cmdlet to retrieve information about the file and then compare the LastWriteTime or CreationTime property of the file to the current date and time. You can also use the New-TimeSpan cmdlet to calculate the difference between the current date and time and the LastWriteTime or CreationTime of the file to determine how old the file is.
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3 min readTo extract the month number from a date in Oracle, you can use the EXTRACT function along with the MONTH keyword. For example, you can use the following SQL query to extract the month number from a date field:SELECT EXTRACT(MONTH FROM your_date_column) AS month_number FROM your_table_name;This query will return the month number from the specified date column in your table.
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4 min readTo preload lazy_static variables in Rust, you can use the lazy_static! macro along with a function to initialize the variable. This allows you to set up the variable with a specific value or state before it is accessed for the first time. By using lazy_static, you can ensure that the variable is only initialized once and then reused throughout the lifetime of the program.
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4 min readTo determine if a type implements an interface in PowerShell, you can use the IsAssignableFrom method from the System.Type class. This method allows you to check if a specific type implements a particular interface. You can do this by getting the type object for the interface and then using the IsAssignableFrom method on the type object of the type you want to check. If the method returns true, it means that the type implements the interface. Otherwise, it does not.
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2 min readTo get the month number using conditions in Oracle, you can use the EXTRACT function along with a CASE statement.
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6 min readTo convert a UNIX timestamp to a string with timezone in Rust, you can use the chrono crate. First, you need to convert the UNIX timestamp to a DateTime object using the from_utc_timestamp function. Then, you can format the DateTime object to a string with timezone by specifying the desired format using the format function. Finally, you can convert the formatted DateTime object to a String using the to_string function.
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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.