VBA / Office Finding Unregistered Data with Excel XLOOKUP
Check for missed reconciliations using the unmatched display feature of XLOOKUP.
VBA / Office 
Programming / Web Development Detect Table Data Column Name Changes Before Processing
Compare column names of transferred data before processing.
Security September 2026 Windows Security Updates: Checking Your PC's KB and OS Build
A step-by-step guide to checking your PC for the Microsoft monthly security updates released on September 8, 2026, using PowerShell and the Windows Update history.
Networking / RFC Checking Public DNS Information with PowerShell
Observe public DNS information in read-only mode using PowerShell.
PowerShell Checking the Clipboard Locally with PowerShell + WPF: Inspecting State Without Saving Content
We explore an approach using the WPF Clipboard API to monitor character counts without saving content, building a confirmation UI to reduce accidental paste errors.
PowerShell Things to Know Before Handling Windows Notifications with PowerShell
Before using Windows message display features from PowerShell, we examine the execution environment and API boundaries.
Networking / RFC Observing ETag and 304 with curl: Verifying HTTP Caching Hands-On
Send ETag and If-None-Match using curl, and observe HTTP conditional requests through the difference between 200 and 304.
Linux / CLI / DevOps Comparing JSON Configurations with jq: Normalizing Key Order to Make Diffs Easier to Read
Learn how to use jq -S to normalize JSON key order before running diff, allowing you to focus on the actual configuration changes.
VBA / Office Breaking down long formulas with the Excel LET function: How to verify intermediate results step by step
Try using the LET function to assign names to intermediate results and verify long Excel formulas one step at a time.
Microsoft 365 / Azure How to Choose Between Microsoft 365 Copilot Chat and Copilot Business: Comparing the Free Tier and Paid Version for Business Operations
Compare Copilot Chat and Copilot Business not only by price, but also from the perspectives of in-app Office usage, business data integration, and role-based piloting.