papanda925

Programming / Web Development

Why Bitflags are 1, 2, and 4: Visualizing OR and AND Operations in PowerShell and VBA

Combine bit flags of 1, 2, and 4 in PowerShell and VBA, and examine the differences between OR, AND, Any/All, and addition using binary representation.
2026.10.07
Programming / Web Development
Linux / CLI / DevOps

What happens if the same process runs twice? Preventing duplicate execution with Linux flock and Windows Named Mutex

Compare Linux flock and Windows Named Mutex through the same duplicate execution experiment, covering timeouts, abnormal termination, and deadlocks.
2026.10.07
Linux / CLI / DevOps
Programming / Web Development

Replacing path manipulation from string concatenation with Python pathlib: A practical look at name, suffix, and parent

Test Python pathlib.Path using temporary files, and understand the differences between path joining, name, suffix, parent, exists, and resolve through execution results.
2026.10.07
Programming / Web Development
Linux / CLI / DevOps

Checking Path MTU with Linux tracepath: Using pmtu in addition to routing for troubleshooting

This article explains how to check routes and Path MTU using Linux tracepath, and what to look for when using -n, IPv4/IPv6, and troubleshooting VPNs or size-dependent communication.
2026.10.06
Linux / CLI / DevOps
AI & Machine Learning

Is AI's value execution rather than ideation? Reading an OpenAI essay through the lens of enterprise AI KPIs

Organizing and analyzing the OpenAI essay 'The eternal complement' from the perspective that AI supports execution, coordination, and iteration, linking it to KPIs for corporate AI implementation.
2026.10.06
AI & Machine Learning
Linux / CLI / DevOps

Working on hotfixes simultaneously while keeping main open with git worktree – Reducing checkout switches

This article explains the basic steps and cleanup for using git worktree to open a hotfix branch in a separate folder while keeping the main working tree intact.
2026.10.06
Linux / CLI / DevOps
PowerShell

Organizing official information and specifications of the GitHub async merge API

This article is a technical explanation and implementation example generated using AI. The code and procedures presented...
2026.10.05
PowerShell
PowerShell

How I Built a Windows Security Monitor That Records Intruders Automatically Which You Can Review Using PowerShell

This article is a technical explanation and implementation example created using AI. The code and procedures presented a...
2026.10.05
PowerShell
AI & Machine Learning

Example of Creating a Sandbox without Network Access (Unverified on Physical Hardware)

This article is a technical explanation and implementation example generated using AI. Although the published code and p...
2026.10.05
AI & Machine Learning
PowerShell

Analyzing GitHub Copilot Weekly Releases – September 21 Based on Official Information

This article is a technical explanation and implementation example generated using AI. The presented code and procedures...
2026.10.05
PowerShell
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