HCRitter

# Define the list of objects
$objects = @(
    # Level 1
    [PSCustomObject]@{ DisplayName = "Root1"; ID = 1; ParentID = $null }
    [PSCustomObject]@{ DisplayName = "Root2"; ID = 2; ParentID = $null }

    # Level 2
    [PSCustomObject]@{ DisplayName = "Child1.1"; ID = 3; ParentID = 1 }
    [PSCustomObject]@{ DisplayName = "Child1.2"; ID = 4; ParentID = 1 }

HCRitter

<#
.SYNOPSIS
Retrieves Microsoft Graph audit log sign-in events filtered by type.

.DESCRIPTION
The Get-MSGraphAuditLogSignInByType function queries Microsoft Graph to retrieve audit log sign-in events and filters them based on the specified type. This can be useful for monitoring and analyzing sign-in activities within an organization.

.PARAMETER Type
Specifies the type of sign-in events to retrieve. This parameter is required.

HCRitter

$TestSize = 500kb
$LargeArrayList = New-Object -TypeName "System.Collections.ArrayList"


$AllTests = foreach($i in (1..$TestSize)){
    $Guid = ((New-Guid).ToString())

    [PSCustomObject]@{
        TestName = 'Out-Null'

HCRitter

# How to get the first line of a really large file in PowerShell?
# Adam Bertram adviced to use the Select-Object -first 1 instead of (Get-Content -Path "file.txt")[0]
# Which is correct, but maybe Switch -file is even faster?
# test based on https://x.com/adbertram/status/1781642880769032196

$longfile = 'HugeFileList.txt' # One million lines - 49MB

# retreive the first line of a file very fast
$firstline = switch -file ($Longfile){Default{$_;break}}

HCRitter

#How to migrate from AAP to RBAC

#region basic connects
$connectMgGraphSplat = @{
    Scopes = @(
        'AppRoleAssignment.ReadWrite.All', 
        'Application.ReadWrite.All', 
        'User.Read.All'
    )
    NoWelcome = $true

HCRitter

$GetValueOrDefault = {
    param(
        [string]$key,
        $defaultValue
    )
    $this.ContainsKey($key) ? $this[$key] : $defaultValue
}
$etd = @{
    TypeName = 'System.Collections.Hashtable'
    MemberType = 'Scriptmethod'

HCRitter

function Write-MultiLineFeedback {
    [CmdletBinding()]
    param (
        $Feedback
    )
    
    begin {
        $CursorPosition = $Host.UI.RawUI.CursorPosition.Y
        $Feedback.ForEach({
            $PSItem.Line = $CursorPosition

HCRitter

$Attach = Get-ChildItem -Path "Path2Files" -Filter "*.Attach" | foreach{
    $_.FullName
}

foreach($AttachFile in $Attach){
    Do-Something
}