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Per Guth

Full-stack Developer

blog.perguth.de ↗RSS feed ↗36 posts

Latest posts

[de] Die ZUGFeRD-Problematik: Wenn der Staat Bürger unsichtbaren Privatregeln unterwirft

Germany’s ZUGFeRD Mandate: Citizen Abuse Through Forced Private Terms

Nopen Source: The New Reality of Code Sharing in the AI Era

Licensing Was About Avoiding Copies. AI Now Adapts Code—Not Copies.

Finding the Balance: When Transparency Meets Strategy in Business

[de] Wiso Habecksicher.de - Was bedeutet das?

Grok's CS Class Graduate Badge - Per Guth's Achievement

STERNVOLL.com: Open Access Analytics - Recent Performance Insights

The Quest for Non-Abundant Sums: A Mathematical Odyssey

[de] Das Flüstern des Gärtners

[de] Die Macht von rel="noopener noreferrer": Sicherheit und Datenschutz im Web

The Gardener’s Whisper

"𝗜𝗳 𝗜𝘁'𝘀 𝗡𝗼𝘁 𝗛𝗮𝗿𝗱, 𝗜𝘁'𝗹𝗹 𝗕𝗲 𝗢𝗽𝗲𝗻 𝗦𝗼𝘂𝗿𝗰𝗲" ― The 2025 Reality

🚀 30-Minute AI Pair Programming: 𝗙𝗿𝗼𝗺 𝗭𝗲𝗿𝗼 𝘁𝗼 𝗖𝗵𝗿𝗼𝗺𝗲 𝗘𝘅𝘁𝗲𝗻𝘀𝗶𝗼𝗻

🔍 𝗙𝗼𝘂𝗻𝗱 𝗼𝗻 𝗚𝗶𝘁𝗵𝘂𝗯: Colanode

An Evening of Open Source Innovation at Hackergarten Stuttgart

𝗧𝗵𝗲 𝗡𝗲𝘄 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 𝗦𝗲𝗹𝗲𝗰𝘁𝗶𝗼𝗻 𝗖𝗿𝗶𝘁𝗲𝗿𝗶𝗮: 𝗥𝗲𝗮𝗱𝗮𝗯𝗶𝗹𝗶𝘁𝘆 𝗶𝗻 𝘁𝗵𝗲 𝗔𝗴𝗲 𝗼𝗳 𝗔𝗜

𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗶𝗻 𝘁𝗵𝗲 𝗼𝗽𝗲𝗻: 𝗟𝗮𝘂𝗻𝗰𝗵𝗶𝗻𝗴 𝘀𝗰𝗵𝘂𝗹𝘁𝗲𝗿𝗵𝗼𝗰𝗵.𝗱𝗲

💻 A Simple Start Page That Made My Day Better

𝗢𝗽𝗲𝗻 𝗦𝗼𝘂𝗿𝗰𝗲 𝗔𝗜 𝗔𝘀𝗰𝗲𝗻𝗱𝗮𝗻𝗰𝘆

Beyond the Sale

Building in the Open: The Quest for a Lightning-Fast Custom Storefront

[de] 𝗠𝘂𝘀𝘀 𝗶𝗰𝗵 𝗳ü𝗿 𝗔𝗺𝗮𝘇𝗼𝗻𝘀 𝗙𝗲𝗵𝗹𝗲𝗿 𝘇𝗮𝗵𝗹𝗲𝗻? Verschwundene Ware, deaktiviertes Listing und unnötige Gebühren

The Borders of Data Processing: When Does Data Become GDPR Relevant?

This computer is a server. DO NOT SHUT IT DOWN!!

Testing IDX

Tethering on the go

ChromeOS: Welcome to Estonia

[de] ChromeOS: Willkommen in Estland

[de] Dieser Computer ist ein Server. NICHT HERUNTERFAHREN!!

[de] 🌟 𝗧𝗵𝗶𝗻𝗴𝘆𝗹𝗮𝗯𝘀 Open-Source-Unterstützung 🌟

🌟 𝗧𝗵𝗶𝗻𝗴𝘆𝗹𝗮𝗯𝘀 𝗢𝗽𝗲𝗻 𝗦𝗼𝘂𝗿𝗰𝗲 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 🌟

Cryptographic Addressing in Decentralized Networks

Strengthening Web Security: The so-called "Secure Context"

[de] 🕒 Rückblick: Vor 9 Jahren an der Stuttgart Media University

𝗣𝗮𝘆 𝗖𝗮𝗽𝘀 𝗼𝗳 𝘁𝗵𝗲 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗘𝗹𝗶𝘁𝗲