PowerShell Null Coalescing and Null Conditional Operators
PowerShell 7.1 added ?? and ?. operators that eliminate verbose null checks. This post shows practical patterns and the subtle differences from C# equivalents worth knowing.
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PowerShell Get-Random: Generate Random Numbers and Pick Items
Get-Random generates numbers and picks random items from arrays in PowerShell. Learn range, seed, shuffle, and when to use cryptographic randomness.
PowerShell Get-Date UTC: Work with Time Zones in Scripts
Time zone bugs cause midnight scripts to behave unexpectedly. Learn to work with UTC, convert time zones, and write timezone-safe PowerShell scripts.
PowerShell XML: Read and Write XML Files
PowerShell handles XML natively via the [xml] type accelerator. Learn to load, navigate, modify, and save XML config files and data files.
PowerShell Hashtable vs PSCustomObject: When to Use Each
Hashtables and PSCustomObjects both store named data in PowerShell. Learn the real differences in performance, pipeline behavior, and best use cases.
PowerShell SecureString: Store Passwords Safely in Scripts
Never store passwords as plain text in scripts. Learn SecureString, PSCredential, and encrypted password file patterns for secure automation.
PowerShell Get-Date: Work with Dates and Times
Get-Date provides the current date and time in PowerShell. Learn to format, add days, compare dates, and use DateTime in scripts.
PowerShell Enum and Constants: Define Fixed Value Sets
Enums enforce valid values in PowerShell scripts. Learn to use built-in .NET enums, define custom enums, and validate parameters with them.
PowerShell Null Handling: $null, -eq $null, and Null Coalescing
Null values cause unexpected errors in scripts. Learn to check for null, use null coalescing in PowerShell 7, and handle missing data safely.
PowerShell Type Casting and Type Conversion Examples
PowerShell’s flexible typing can cause silent bugs. Learn to explicitly cast types, use the safe -as operator, and convert dates and numbers.
