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Why Positive Grid Profit Can Coexist With Negative Total P&L

Why Positive Grid Profit Can Coexist With Negative Total P&L

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2 min read
Percentage Calculator: Why My KPI Email Said +1.23% When Conversion Actually Grew 159%

Percentage Calculator: Why My KPI Email Said +1.23% When Conversion Actually Grew 159%

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5 min read
Stop hammering a rate-limited LLM API: per-provider cooldowns in a live assistant

Stop hammering a rate-limited LLM API: per-provider cooldowns in a live assistant

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4 min read
Day 2 of Learning Python: Variables, Identifiers, and Data Types

Day 2 of Learning Python: Variables, Identifiers, and Data Types

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3 min read
Day 1 of Learning Python: Introduction and Python Architecture

Day 1 of Learning Python: Introduction and Python Architecture

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2 min read
Extracting invoice fields with validation: what auto-posts and what goes to a human

Extracting invoice fields with validation: what auto-posts and what goes to a human

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3 min read
How to find verified Alibaba suppliers with a low MOQ in bulk (and what a first order really costs)

How to find verified Alibaba suppliers with a low MOQ in bulk (and what a first order really costs)

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5 min read
I built a WordPress migration tool that checks its own work

I built a WordPress migration tool that checks its own work

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2 min read
How I Built an API to Strip HTML Noise & Clean PDFs for RAG Pipelines

How I Built an API to Strip HTML Noise & Clean PDFs for RAG Pipelines

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2 min read
I tried to reproduce four Collective2 Calmar ratios. None of them matched.

I tried to reproduce four Collective2 Calmar ratios. None of them matched.

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3 min read
Building a coin-flip test for AI agents: 16 readings, 3 conditions, 80 Claude memos

Building a coin-flip test for AI agents: 16 readings, 3 conditions, 80 Claude memos

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13 min read
AI vs Outsourced Support in 2026: A Cost Model You Can Actually Run

AI vs Outsourced Support in 2026: A Cost Model You Can Actually Run

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3 min read
Two PyTorch ops that stopped a CUDA text model on an Apple GPU

Two PyTorch ops that stopped a CUDA text model on an Apple GPU

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5 min read
Static Repo Packs Give the Map. Autonomous Coding Agents Need the Body.

Static Repo Packs Give the Map. Autonomous Coding Agents Need the Body.

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5 min read
Python Wrote NaN Into My JSON and Only Python Could Read It Back

Python Wrote NaN Into My JSON and Only Python Could Read It Back

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7 min read
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