PowerShell

Compare the SHA-256 hashes of two files using Get-FileHash in PowerShell, and safely observe the differences compared to file size checks and the drastic changes in the digest when a single character is modified.

We compare the entry points from PowerShell to Win32, COM, and WinRT, and organize how to distinguish them regarding naming, types, lifetime, and business automation usage.

Observe duplicate FileSystemWatcher events and design separate handling for debouncing, file readiness checks, idempotency, and missed events.

Call Excel COM Automation from PowerShell with a minimal smoke test, connecting ProgID, the Object Model, and cleanup to practical use.

Consolidate only images and videos into an Out folder from Google Takeout ZIP files and extracted folders. Tested on real data consisting of 2,749 items totaling 15.81 GB, this beginner-friendly guide explains a PowerShell mechanism that tracks progress, remaining item counts, and time remaining.

Observe Click events using a minimal PowerShell + WinForms GUI, and experience firsthand why the Win32 message loop and UI thread freeze.

Read the current PowerShell process and observe how multiple threads exist within a single PID.

Encode and decode Base64 in PowerShell to visually understand the difference between encoding and encryption.

Read MainWindowHandle of a GUI process from PowerShell and observe the Win32 HWND.

Before expanding a ZIP file, use PowerShell to inspect paths that extend outside the destination directory, total size, file count, and unexpected extensions.