Posts (page 11)
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4 min readIn Prolog, arithmetic operations can be performed using the built-in predicates is and =:=. The is predicate is used to compute arithmetic expressions, while the =:= predicate is used to compare two arithmetic expressions.For example, to perform addition in Prolog, you can use the following syntax: X is 5 + 3. To perform subtraction: Y is 10 - 2. To perform multiplication: Z is 4 * 6. To perform division: W is 20 / 5.
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5 min readTo extract a specific piece of information from an XML file using PowerShell, you can use the Select-XML cmdlet. This cmdlet allows you to query the XML file with XPath expressions to locate the desired information.First, you need to load the XML file into a variable using the Get-Content cmdlet. Then, use the Select-XML cmdlet to search for the information you are looking for by specifying the XPath expression in the -XPath parameter.
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4 min readIn Prolog, tracing a predicate involves stepping through the execution of the predicate to see how it evaluates and resolves. This can be done using the Prolog debugger, which allows you to see each step of the evaluation process and helps you identify any mistakes or errors in your program. To trace a predicate in Prolog, you can set a trace point using the trace/0 predicate before calling the predicate you want to trace.
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4 min readTo remove special characters from a text file using PowerShell, you can use the Get-Content cmdlet to read the file, then use regular expressions with the -replace operator to replace the special characters with nothing. Here is an example: # Read the contents of the text file $content = Get-Content -Path "C:\path\to\file.
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3 min readTo get the current system year in Prolog as a number, you can use the built-in predicate get_time/1 to get the current time in a format that includes the year. You can then use stamp_date_time/3 to convert the time into a date-time structure, and finally use date_time_value/3 to extract the year from the date-time structure as a number.
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5 min readTo create a disk shortcut on the desktop using PowerShell, you can use the New-Object cmdlet to create a shortcut and then use the CreateShortcut method to specify the target location of the disk.First, open PowerShell as an administrator. Then use the following commands: $WshShell = New-Object -ComObject WScript.Shell $Shortcut = $WshShell.CreateShortcut("$env:USERPROFILE\Desktop\Disk.lnk") $Shortcut.TargetPath = "D:\" $Shortcut.Save() In this script, the $Shortcut.
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5 min readTo print a list in Prolog, you can use the write predicate or writef predicate in a recursive manner to print each element of the list one by one. This can be done by defining a base case for an empty list and then recursively printing the head of the list followed by the rest of the list. Additionally, you can use the nl predicate to print a newline after each element of the list for better formatting.
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7 min readTo export data dumps into a table using PowerShell, you can use the Export-Csv cmdlet. First, you need to run a query or command to retrieve the data you want to export. Once you have the data, you can use the Export-Csv cmdlet to save it to a CSV file. You can then import the CSV file into a table in a database or spreadsheet application. This process allows you to easily transfer and analyze data efficiently.
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4 min readTo access an element in a list in Prolog, you can use the built-in predicate nth0/3 or nth1/3.The nth0/3 predicate takes three arguments: the index of the element (0-based), the list, and the element itself. For example, nth0(2, [a, b, c, d], Element) will unify Element with c.Similarly, the nth1/3 predicate works the same way but with a 1-based index. So nth1(3, [a, b, c, d], Element) will unify Element with c as well.
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7 min readTo run PowerShell scripts from Kotlin, you can make use of the ProcessBuilder class provided in the Java standard library. You need to construct a ProcessBuilder object with the appropriate command to launch PowerShell, and pass your PowerShell script file using the command line arguments.Here is an example code snippet that demonstrates how to run a PowerShell script from Kotlin: import java.io.File fun main() { val powerShellCommand = "powershell.
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4 min readTo make a list out of objects in Prolog, you can simply use the list notation with square brackets and separate the objects by commas. For example, if you have a list of objects like [apple, banana, cherry], you can write it directly in Prolog code as [apple, banana, cherry]. This will create a list with these objects in the specified order. Additionally, you can also use variables to represent objects in the list, allowing for more dynamic and flexible list creation.
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4 min readTo replace a property in a JSON file using PowerShell, you can use the ConvertTo-Json and ConvertFrom-Json cmdlets.Read the JSON file using Get-Content and ConvertFrom-Json cmdlets to convert it to a PowerShell object.Make the necessary changes to the property value in the object.Convert the object back to JSON format using the ConvertTo-Json cmdlet.Write the updated JSON back to the file using the Set-Content cmdlet.Here is an example code snippet: $jsonFile = "path\to\your\file.