Networking / RFC

Testing a new connection destination without changing DNS using curl –resolve

Use curl --resolve to temporarily replace only the connection IP for a single request, without modifying the operating system's hosts file or DNS.
2026.09.16
Networking / RFC
VBA / Office

Safely Handling 0 Results with Excel FILTER: Trying the Third Argument if_empty

Explicitly handle the case of 0 results in the FILTER function using the third argument if_empty, and observe the difference from #CALC!.
2026.09.16
VBA / Office
PowerShell

Inspecting Configuration JSON Before Changes with PowerShell Test-Json

Inspect JSON configurations in a read-only manner using Test-Json, observing syntax and differences in types and schemas.
2026.09.16
PowerShell
Microsoft 365 / Azure

How to Choose Between Microsoft 365 Business Basic and Standard: Deciding Based on Desktop Office

Business Basic and Standard are compared based on operational requirements, specifically whether the desktop version of Office is needed.
2026.09.16
Microsoft 365 / Azure
IT News

OpenAI Announces Data Agent: What to Verify Before Connecting Company Data

An overview of the Data Agent announced on September 10, 2026, along with key checkpoints before connecting it to company data.
2026.09.15
IT News
Microsoft 365 / Azure

Tracking Microsoft's AI at Work Roadmap for Work: Checking Feature IDs and Timelines

This article outlines how to narrow down Microsoft's roadmap to your organization's products and check feature IDs and scheduled timelines.
2026.09.15
Microsoft 365 / Azure
PowerShell

Regularly Updating the On-Screen Time with PowerShell + WPF

Update text on a WPF screen at regular intervals to observe events.
2026.09.15
PowerShell
PowerShell

Calling Win32 GetDpiForSystem from PowerShell: Viewing the Windows DPI Value

Call the Win32 API from PowerShell and observe the Windows DPI value.
2026.09.15
PowerShell
PowerShell

Viewing TCP Connections Linked to Processes in PowerShell

Identify the executing process from the OwningProcess of a TCP connection.
2026.09.15
PowerShell
Networking / RFC

Breaking down Web latency step by step with curl

Observe DNS, connection, time to first byte, and total time separately.
2026.09.15
Networking / RFC
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