1. Problem
You want to control the way that PowerShell displays or formats a date.
2. Solution
To control the format of a date, use one of the following options:
The Get-Date cmdlet’s –Format parameter:
PS >Get-Date -Date “05/09/1998 1:23 PM” -Format “dd-MM-yyyy @ hh:mm:ss”
09-05-1998 @ 01:23:00
PowerShell’s string formatting (–f) operator:
PS >$date = [DateTime] “05/09/1998 1:23 PM”
PS >”{0:dd-MM-yyyy @ hh:mm:ss}” [...]

1. Problem
You want to execute the same block of code more than once.
2. Solution
Use one of PowerShell’s looping statements (for, foreach, while, and do), or PowerShell’s Foreach-Object cmdlet to run a command or script block more than once. For a detailed description of these looping statements, see “Looping Statements” in . For example:
Code View: Scroll [...]

1. Problem
You want to create a COM object to interact with its methods and properties.
2. Solution
Use the New-Object cmdlet (with the –ComObject parameter) to create a COM object from its ProgID. You can then interact with the methods and properties of the COM object as you would any other object in PowerShell.
        $object = New-Object [...]

1. Problem
You want to control how you define (or interact with) the visibility of variables, aliases, functions, and drives.
2. Solution
PowerShell offers several ways to access variables.
To create a variable with a specific scope, supply that scope before the variable name:
        $SCOPE:variable = value

To access a variable at a specific scope, supply that scope before [...]

1. Problem
You want to display detailed information about errors that come from commands.
2. Solution
To list all errors (up to $MaximumErrorCount) that have occurred in this session, access the $error array:
        $error

To list the last error that occurred in this session, access the first element in the $error array:
        $error[0]

To list detailed information about an [...]

1. Problem
You want to redirect the output of a pipeline into a file.
2. Solution
To redirect the output of a command into a file, use either the Out-File cmdlet or one of the redirection operators.
Out-File:
       
        Get-ChildItem | Out-File unicodeFile.txt
        Get-Content filename.cs | Out-File -Encoding ASCII file.txt
        Get-ChildItem | Out-File-Width 120 unicodeFile.cs

Redirection operators:
        Get-ChildItem > files.txt
        [...]