DEV Community

Dakota Liu profile picture

Dakota Liu

Backend developer with a growing interest in applied AI. I write hands-on guides for developers.

Location Paris, France Joined Joined on 
Case Study: Freeze Null-Versus-Omitted Rules Before an Agent Writes PATCH
devrs_9381 profile

Case Study: Freeze Null-Versus-Omitted Rules Before an Agent Writes PATCH

#webdev #testing #python #ai
Comments
8 min read
Case Study: Freeze Discount Stacking Invariants Before an Agent Writes Checkout Math
devrs_9381 profile

Case Study: Freeze Discount Stacking Invariants Before an Agent Writes Checkout Math

#testing #python #ai #webdev
Comments
8 min read
Case Study: A Daily Digest Job That Refuses Implicit Timezones
devrs_9381 profile

Case Study: A Daily Digest Job That Refuses Implicit Timezones

#python #testing #ai #webdev
1
Comments
8 min read
Case Study: Freeze Cursor Stability Rules Before an Agent Writes the List Endpoint
devrs_9381 profile

Case Study: Freeze Cursor Stability Rules Before an Agent Writes the List Endpoint

#webdev #api #testing #ai
Comments
8 min read
Case Study: Freeze Partial-Success Rules Before an Agent Writes the Bulk Import
devrs_9381 profile

Case Study: Freeze Partial-Success Rules Before an Agent Writes the Bulk Import

#ai #api #testing #python
Comments
7 min read
Duplicate Orders Are a Spec Bug, Not a Model Bug
devrs_9381 profile

Duplicate Orders Are a Spec Bug, Not a Model Bug

#api #python #testing #ai
Comments
9 min read
Case Study: Freeze the Error Taxonomy Before an Agent Writes the Error Mapper
devrs_9381 profile

Case Study: Freeze the Error Taxonomy Before an Agent Writes the Error Mapper

#ai #agents #testing #api
Comments
6 min read
Case Study: Freeze Webhook HMAC Replay Rules Before an Agent Writes the Receiver
devrs_9381 profile

Case Study: Freeze Webhook HMAC Replay Rules Before an Agent Writes the Receiver

#python #testing #webdev #ai
Comments
7 min read
Case Study: Freeze If-Match Version Tokens Before an Agent Writes the PATCH Client
devrs_9381 profile

Case Study: Freeze If-Match Version Tokens Before an Agent Writes the PATCH Client

#testing #agents #api #python
Comments
8 min read
Case Study: Freeze the Job Status Graph Before an Agent Writes the Worker
devrs_9381 profile

Case Study: Freeze the Job Status Graph Before an Agent Writes the Worker

#ai #testing #javascript #agents
Comments
8 min read
Case Study: Freeze Cursor Pagination Before an Agent Writes the List Client
devrs_9381 profile

Case Study: Freeze Cursor Pagination Before an Agent Writes the List Client

#testing #python #ai #api
Comments
7 min read
Case Study: Freeze Outbound HTTP Policy Before an Agent Writes the Client
devrs_9381 profile

Case Study: Freeze Outbound HTTP Policy Before an Agent Writes the Client

#python #agents #testing #api
Comments
9 min read
Your Agent Will Invent Timeouts. Pin Them in a Contract Test First
devrs_9381 profile

Your Agent Will Invent Timeouts. Pin Them in a Contract Test First

#ai #testing #agents #python
Comments
8 min read
Case Study: Fail the Agent Plan When a Claim Has No File Citation
devrs_9381 profile

Case Study: Fail the Agent Plan When a Claim Has No File Citation

#ai #agents #testing #python
Comments
9 min read
Case Study: Freeze Webhook Assumptions in Fixtures Before an Agent Writes Handlers
devrs_9381 profile

Case Study: Freeze Webhook Assumptions in Fixtures Before an Agent Writes Handlers

#python #testing #ai #webdev
Comments
7 min read
Case Study: Reject Agent Patches That Touch Paths You Never Declared
devrs_9381 profile

Case Study: Reject Agent Patches That Touch Paths You Never Declared

#ai #testing #python #agents
Comments
7 min read
The 10M Token Question Nobody Asks: Where Do the Tokens Actually Go?
devrs_9381 profile

The 10M Token Question Nobody Asks: Where Do the Tokens Actually Go?

#ai #opensource #productivity #devtools
Comments
5 min read
Case Study: Freeze a Telemetry Catalog Before Generated Code Invents Event Names
devrs_9381 profile

Case Study: Freeze a Telemetry Catalog Before Generated Code Invents Event Names

#python #testing #ai #devops
Comments
7 min read
Case Study: Catch Layering Violations With Static Analysis, Then Ask a Model Only for the Why
devrs_9381 profile

Case Study: Catch Layering Violations With Static Analysis, Then Ask a Model Only for the Why

#python #architecture #ai #testing
Comments
7 min read
An LLM Labeler Is a Function: Test It Like One
devrs_9381 profile

An LLM Labeler Is a Function: Test It Like One

#ai #aiethics #testing #python
Comments
5 min read
I Built a Weekend Reliability Bot on a Free Server: A Case Study
devrs_9381 profile

I Built a Weekend Reliability Bot on a Free Server: A Case Study

#ai #devops #casestudy #productivity
Comments
4 min read
From Changelog Noise to Three Bullet Points: A Free-Tier Case Study
devrs_9381 profile

From Changelog Noise to Three Bullet Points: A Free-Tier Case Study

#ai #python #productivity #tutorial
Comments
6 min read
Your JSON Schemas Rot Quietly: A Free-Tier Drift Detector Pipeline
devrs_9381 profile

Your JSON Schemas Rot Quietly: A Free-Tier Drift Detector Pipeline

#ai #python #productivity #testing
Comments
4 min read
Case Study: Turning CI Log Noise Into Three Root Causes on a Free Tier
devrs_9381 profile

Case Study: Turning CI Log Noise Into Three Root Causes on a Free Tier

#ai #devops #productivity #tutorial
Comments
5 min read
Free AI PR Review on a Free Server: A Case Study in Testing the Reviewer Before Deployment
devrs_9381 profile

Free AI PR Review on a Free Server: A Case Study in Testing the Reviewer Before Deployment

#ai #testing #python #devops
Comments
7 min read
Free AI Tiers Bill You in Hours, Not Dollars
devrs_9381 profile

Free AI Tiers Bill You in Hours, Not Dollars

#ai #productivity #python #testing
Comments
4 min read
Free AI Tokens Are Only Half the Deal — the Free Server Is the Other Half
devrs_9381 profile

Free AI Tokens Are Only Half the Deal — the Free Server Is the Other Half

#ai #opensource #devops #productivity
Comments
4 min read
Debugging Is the Killer App for Free Model Tokens — Here's the Workflow
devrs_9381 profile

Debugging Is the Killer App for Free Model Tokens — Here's the Workflow

#ai #debugging #python #productivity
Comments
5 min read
Free AI Tokens Are Wasted on Code Generation
devrs_9381 profile

Free AI Tokens Are Wasted on Code Generation

#ai #productivity #opensource #webdev
Comments
6 min read
Free Coding Models Deserve Smoke Tests, Not Benchmark Suites
devrs_9381 profile

Free Coding Models Deserve Smoke Tests, Not Benchmark Suites

#ai #opensource #productivity #testing
Comments
4 min read
A Reproducible Gatekeeper Harness for Testing Free Coding Models Before You Give Them Tool Access
devrs_9381 profile

A Reproducible Gatekeeper Harness for Testing Free Coding Models Before You Give Them Tool Access

#ai #programming #security #testing
Comments
5 min read
A New Open Model Dropped. Here's My 30-Minute Reproducible Eval Before I Trust It With My Codebase
devrs_9381 profile

A New Open Model Dropped. Here's My 30-Minute Reproducible Eval Before I Trust It With My Codebase

#ai #opensource #llm #productivity
1
Comments
5 min read
A Reproducible Harness for Evaluating Free AI Coding Models on Your Own Codebase
devrs_9381 profile

A Reproducible Harness for Evaluating Free AI Coding Models on Your Own Codebase

#ai #programming #productivity #tutorial
Comments
4 min read
loading...