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Dakota Wu profile picture

Dakota Wu

Data engineer building scalable pipelines.

Location Sydney, Australia Joined Joined on 
Characterize the Mess First, Then Make One Safe Change

Characterize the Mess First, Then Make One Safe Change

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8 min read
Write Characterization Tests Before the First Extract

Write Characterization Tests Before the First Extract

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7 min read
Stop Pricing Coding Agents in Tokens. Price Them in Failed Attempts.

Stop Pricing Coding Agents in Tokens. Price Them in Failed Attempts.

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5 min read
Freeze the Blast Radius Before an Agent Rewrites a Messy Module

Freeze the Blast Radius Before an Agent Rewrites a Messy Module

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8 min read
Stop Rerunning Flaky Tests. Build an Evidence Log Instead.

Stop Rerunning Flaky Tests. Build an Evidence Log Instead.

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5 min read
Check an AI Patch in 10 Minutes: A Free-Model and Free-Server Recipe

Check an AI Patch in 10 Minutes: A Free-Model and Free-Server Recipe

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4 min read
A Free-Tier Safety Net for Refactoring Ugly Legacy Code

A Free-Tier Safety Net for Refactoring Ugly Legacy Code

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5 min read
Your AI Refactor Needs a Behavioral Fingerprint, Not Just a Diff

Your AI Refactor Needs a Behavioral Fingerprint, Not Just a Diff

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5 min read
Let an Agent Write Your Characterization Tests Before You Refactor Legacy Code

Let an Agent Write Your Characterization Tests Before You Refactor Legacy Code

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4 min read
Refactor a Messy Repo Without Breaking It: Characterization Tests, Then the Smallest Safe Change

Refactor a Messy Repo Without Breaking It: Characterization Tests, Then the Smallest Safe Change

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5 min read
Mutation Testing on a Budget: Free Models, Free Server, Real Test Quality

Mutation Testing on a Budget: Free Models, Free Server, Real Test Quality

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4 min read
Stop Blaming the Model When Your Agent Repeats the Same Mistake

Stop Blaming the Model When Your Agent Repeats the Same Mistake

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5 min read
Treat Your Agent's Free Server Like a Compromised Machine

Treat Your Agent's Free Server Like a Compromised Machine

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4 min read
Your Coding Agent Doesn't Need a Smarter Model. It Needs a Tighter Loop.

Your Coding Agent Doesn't Need a Smarter Model. It Needs a Tighter Loop.

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5 min read
Free Tokens Are Better Spent Fuzzing Your Own Code Than Benchmarking Someone Else's

Free Tokens Are Better Spent Fuzzing Your Own Code Than Benchmarking Someone Else's

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4 min read
Why the Most Honest Coding-Agent Evaluation Runs on Free Infrastructure

Why the Most Honest Coding-Agent Evaluation Runs on Free Infrastructure

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5 min read
Don't Trust a New Model's Benchmarks Until You Run Your Own 30-Minute Smoke Test

Don't Trust a New Model's Benchmarks Until You Run Your Own 30-Minute Smoke Test

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5 min read
A Boundary-Failure Test Plan for Coding Agents You Can Run on Free Model Tiers

A Boundary-Failure Test Plan for Coding Agents You Can Run on Free Model Tiers

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5 min read
A Prompt Regression Pack You Can Run Against Free Model Tiers Before Paying for Anything

A Prompt Regression Pack You Can Run Against Free Model Tiers Before Paying for Anything

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6 min read
A Reproducible Harness for Comparing Coding Agents Before You Trust Their Numbers

A Reproducible Harness for Comparing Coding Agents Before You Trust Their Numbers

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4 min read
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