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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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Day 20: SUID Deep-Dive — From Zip to Tar Exploitation 🕵️‍♂️

Day 20: SUID Deep-Dive — From Zip to Tar Exploitation 🕵️‍♂️

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1 min read
Building Multi-Agent Systems in Java Without Leaving the JVM

Building Multi-Agent Systems in Java Without Leaving the JVM

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5 min read
Beyond the Chat: A Developer's Guide to Practical AI Integration

Beyond the Chat: A Developer's Guide to Practical AI Integration

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5 min read
Context Compaction: Three Layers of Compression That Let an Agent Run Indefinitely

Context Compaction: Three Layers of Compression That Let an Agent Run Indefinitely

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9 min read
Your Developer Blog is Invisible to Google — The 10-Minute Fix

Your Developer Blog is Invisible to Google — The 10-Minute Fix

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3 min read
Why Speedtest Lies About Your Connection — And What to Use Instead

Why Speedtest Lies About Your Connection — And What to Use Instead

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3 min read
I Built a .env Diff Tool That Refuses to Print Values

I Built a .env Diff Tool That Refuses to Print Values

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10 min read
RAG系统实战:从Chunk切分到检索增强全流程解析

RAG系统实战:从Chunk切分到检索增强全流程解析

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1 min read
Writing Cron Semantics in ~100 Lines of TypeScript

Writing Cron Semantics in ~100 Lines of TypeScript

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8 min read
How I Built My First AI-Powered App (Without a PhD)

How I Built My First AI-Powered App (Without a PhD)

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5 min read
Claude Code Hooks, Subagents & Power Features: The Complete Guide (2026)

Claude Code Hooks, Subagents & Power Features: The Complete Guide (2026)

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11 min read
Reimplementing fd in 500 lines of Rust (and what I learned about the crates it stands on)

Reimplementing fd in 500 lines of Rust (and what I learned about the crates it stands on)

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10 min read
Debugging TCP by Building Your Own Logging Proxy in 400 Lines of Rust

Debugging TCP by Building Your Own Logging Proxy in 400 Lines of Rust

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8 min read
How I Built a Client-Side HEIC to JPG Converter Using WebAssembly (No Server Required)

How I Built a Client-Side HEIC to JPG Converter Using WebAssembly (No Server Required)

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3 min read
S&OP Engineering III: The End of Excel (Linear Programming for Supply Planning)

S&OP Engineering III: The End of Excel (Linear Programming for Supply Planning)

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4 min read
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