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Productivity

Productivity includes tips on how to use tools and software, process optimization, useful references, experience, and mindstate optimization.

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There are around 10 independent PDF engines, and I built a new one from scratch.

There are around 10 independent PDF engines, and I built a new one from scratch.

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2 min read
The Problem: The "Extract-Edit-Recompress" Loop

The Problem: The "Extract-Edit-Recompress" Loop

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2 min read
Memoization from First Principles: Building and Tracing a Cache

Memoization from First Principles: Building and Tracing a Cache

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2 min read
Designing Indoor Navigation for the Spatial Computing Era

Designing Indoor Navigation for the Spatial Computing Era

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4 min read
Statistically Typed vs Dynamically Typed Languages: A Deep Dive

Statistically Typed vs Dynamically Typed Languages: A Deep Dive

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7 min read
Before Your Side Projects Multiply Into Chaos: An 8-Category Ledger and a Symlink Tree

Before Your Side Projects Multiply Into Chaos: An 8-Category Ledger and a Symlink Tree

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5 min read
Why I Built a 100% Free, No-Email Moving Calculator (And How It Works Under the Hood)

Why I Built a 100% Free, No-Email Moving Calculator (And How It Works Under the Hood)

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2 min read
GitHub Issues Is Going to Be My Support Channel

GitHub Issues Is Going to Be My Support Channel

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2 min read
The UX trick that finally got me to clean up 20,000 photos

The UX trick that finally got me to clean up 20,000 photos

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2 min read
How I built RuntimeVault: replay production bugs with full runtime state

How I built RuntimeVault: replay production bugs with full runtime state

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2 min read
The proposal structure that closed 8 of my last 10 freelance projects

The proposal structure that closed 8 of my last 10 freelance projects

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3 min read
How We Cut AI Coding Costs from $10K to $3K/Month with Task-Level Model Routing

How We Cut AI Coding Costs from $10K to $3K/Month with Task-Level Model Routing

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4 min read
Codegraph

Codegraph

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8 min read
PromptOT MCP: Manage and version LLM prompts from your AI tools

PromptOT MCP: Manage and version LLM prompts from your AI tools

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4 min read
Where Does RAG Actually Cost You Money? (Episode 2)

Where Does RAG Actually Cost You Money? (Episode 2)

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7 min read
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