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What is Microsoft OneNote? A beginner's guide to using work notes in M365 E3/E5

This practical guide introduces OneNote to beginners, covering notebook structure, its relationship with OneDrive and SharePoint, sharing and synchronization, Copilot, and secure read examples using Microsoft Graph.

2026.09.21

Microsoft 365 / Azure

What is Microsoft Excel? An introductory guide to analysis and automation available in M365 E3/E5

An introductory guide to Excel covering E3/E5, XLOOKUP, Power Query, VBA, Office Scripts, co-authoring, data architecture diagrams, and practical examples.

2026.09.21

Microsoft 365 / Azure

Microsoft 365 G7 Announced: How Copilot and AI Management Are Integrated in Government GCC

An overview of the Microsoft 365 G7 announcement from the practical perspectives of GCC scope, Copilot, Agent 365, and AI governance.

2026.09.21

Microsoft 365 / Azure

Checking the systemd journal by time range

Narrow down the journal display range by specifying timestamps.

2026.09.21

Programming / Web Development

Preventing PowerShell and XAML GUIs from Freezing: Understanding UI Threads and Asynchronous Operations Through Practice

An advanced technical trial that calls BeginInvoke on a separate PowerShell pipeline without blocking the WPF UI thread, monitoring completion via a DispatcherTimer.

2026.09.21

PowerShell

What to Check Before Changing Nginx Configuration: How to Use nginx -t vs -T

A practical guide explaining the differences between nginx -t and -T, including safe pre-reload checks, inspecting active included configurations, and precautions when sharing configurations externally.

2026.09.21

Linux / CLI / DevOps

Why can tracert show intermediate routers? Exploring how TTL is incremented by 1

This article explains how Windows tracert estimates hops using TTL and ICMP Time Exceeded, including how to interpret the results for troubleshooting.

2026.09.21

Networking / RFC

Counting 'ABC', 'abc', and 'ABC ' as the Same Duplicate in VBA Dictionary: Tips for Key Normalization

Learn how to normalize keys in a VBA Dictionary to handle leading and trailing spaces and case sensitivity, allowing for duplicate detection that aligns with your business rules.

2026.09.21

VBA / Office

VBA Does Not Compile Suddenly? Listing Reference Settings to Find BROKEN References

List VBA references and use IsBroken to isolate broken references. Instead of auto-repairing, safely observe the state first.

2026.09.21

VBA / Office

Creating a Minimal GUI with PowerShell and XAML: Understanding Button Click Events

Build a minimal XAML and WPF interface using PowerShell and observe how button click events reach PowerShell.

2026.09.21

PowerShell