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#tutorial

Tutorial is a general purpose tag. We welcome all types of tutorial - code related or not! It's all about learning, and using tutorials to teach others!

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How We Built '直接翻译与含义确认' — A Two‑Pass Translation Pipeline with LLMs

How We Built '直接翻译与含义确认' — A Two‑Pass Translation Pipeline with LLMs

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6 min read
Redis Sliding Window Rate Limiting with Lua: The 15-Line Script That Saved Our AI Budget

Redis Sliding Window Rate Limiting with Lua: The 15-Line Script That Saved Our AI Budget

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6 min read
How to Comment in SQL: -- and /* */, and the Two Traps That Break a Query

How to Comment in SQL: -- and /* */, and the Two Traps That Break a Query

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9 min read
SQL for Beginners: Window Functions vs GROUP BY

SQL for Beginners: Window Functions vs GROUP BY

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4 min read
How to Remove One Website from Chrome History, Clear Its Cache, and Free RAM

How to Remove One Website from Chrome History, Clear Its Cache, and Free RAM

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4 min read
How full-text search works in pure Python (a tour with Whoosh)

How full-text search works in pure Python (a tour with Whoosh)

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5 min read
How to add country icons to a Vue 3 app

How to add country icons to a Vue 3 app

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6 min read
Building a Ride-Share Zone-Balancing Agent with LangGraph — Part 5: Coordinating Two Zones at Once

Building a Ride-Share Zone-Balancing Agent with LangGraph — Part 5: Coordinating Two Zones at Once

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10 min read
Building a Ride-Share Zone-Balancing Agent with LangGraph — Part 2: Teaching the Agent to Read Ops Notes

Building a Ride-Share Zone-Balancing Agent with LangGraph — Part 2: Teaching the Agent to Read Ops Notes

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7 min read
Building a Ride-Share Zone-Balancing Agent with LangGraph — Part 4: Letting a Human Step In

Building a Ride-Share Zone-Balancing Agent with LangGraph — Part 4: Letting a Human Step In

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7 min read
Scraping Ethically: A Practical Guide to Respectful Web Crawling

Scraping Ethically: A Practical Guide to Respectful Web Crawling

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4 min read
Production failures: the things that page you · 1. The three in the morning page

Production failures: the things that page you · 1. The three in the morning page

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9 min read
Deploy a FiveM Server With Claude AI (Linux + Windows, Under 15 Min)

Deploy a FiveM Server With Claude AI (Linux + Windows, Under 15 Min)

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2 min read
Fixing Claude Code's /desktop on Windows: "Claude Desktop is not installed" (Microsoft Store/MSIX installs)

Fixing Claude Code's /desktop on Windows: "Claude Desktop is not installed" (Microsoft Store/MSIX installs)

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3 min read
How GSTIN Checksum Validation Works (and Why It Isn't Enough)

How GSTIN Checksum Validation Works (and Why It Isn't Enough)

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3 min read
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