From Dev.to Community
Tech Articles
Curated developer articles, tutorials, and guides — auto-updated hourly
![[Go in Practice] Writing Modern Go with AI: Testing JetBrains go-modern-guidelines and Refactoring a 1,039-line main.go](https://media2.dev.to/dynamic/image/width=1200,height=627,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Farticles%2Fnaugad5rry7u00pyg8wh.png)
Evan Lin4d ago • 20 min read
[Go in Practice] Writing Modern Go with AI: Testing JetBrains go-modern-guidelines and Refactoring a 1,039-line main.go
Background In the AI era, even I delegate most of my code optimization or writing tasks...
#ai#go#programming#refactoring
9 1
Humza Tareen6d ago • 6 min read
Every God File Split: Enforcing a 400-Line Cap Across a Video Pipeline
Splitting a 15,177-line wizard runner and a 7,341-line page component into modules, then closing the...
#architecture#codequality#typescript#refactoring
0 0
Mecanik13373d ago • 7 min read
COBOL to Rust Migration - A UK Enterprise Guide 2026
Rust is an increasingly popular COBOL migration target for organisations that want both memory safet...
#programming#rust#refactoring#architecture
0 0
Pierluigi Meloni6d ago • 3 min read
Why Your Refactoring Ideas Die in Backlog Hell (plus hack to fix it)
Introduction Over my years in software engineering, I’ve seen countless developers get...
#career#refactoring#management#softwareengineering
0 0
MEG Venture & Consulting Ltd.5d ago • 4 min read
PrestaShop's Configuration table is global, and uninstalling your module can delete someone else's settings
Configuration::updateValue('width', 40) looks harmless. It is one row in ps_configuration, it holds....
#prestashop#php#refactoring#opensource
0 0
Serguey Asael Shinder4d ago • 1 min read
Make the Change Easy, Then Make the Easy Change
Every hard change is two changes hiding as one. First, the work of shaping the code so the change.....
#codequality#refactoring#softwareengineering#programming
0 0
Dakota Huang4d ago • 4 min read
Intentional Drift: Updating Characterization Tests When the Refactor Fixes a Bug
Characterization tests freeze current behavior. They freeze the bugs too. When a refactor fixes a bu...
#refactoring#testing#python#ai
0 0
Dakota Huang5d ago • 4 min read
Characterize First, Refactor Second: A Safe Workflow for Messy Repos
A messy repo is not a code problem. It is an information problem. You cannot refactor what you do no...
#refactoring#testing#ai#python
0 0
Dakota Huang5d ago • 4 min read
Golden Master First: Let a Free Model Draft the Probes, Then Refactor Small
A messy repo is a behavior contract with no signature. Nobody knows what the code actually does....
#refactoring#testing#ai#python
0 0
Dakota Huang5d ago • 5 min read
The Smallest Safe Change Is a Measured Property
The smallest safe change is a measured property. It is not a line count. It is not a gut feeling. It...
#refactoring#testing#ai#python
0 0
Dakota Huang4d ago • 5 min read
Dead Probes Pass: Mutation-Check Your Characterization Tests Before You Refactor
A passing characterization suite is not a safety net. It is a net only if it fails on wrong behavior...
#testing#refactoring#python#ai
0 0
Dakota Huang4d ago • 4 min read
Don't Characterize the Whole Messy Repo: Triage Files by Churn, Complexity, and Risk First
Most characterization-testing effort is wasted. You write probes for files nobody touches. You...
#refactoring#testing#legacy#ai
0 0
Dakota Huang3d ago • 4 min read
A Refactor Is Two Commits: Lock the Behavior, Then Edit the Body
A Refactor Is Two Commits: Lock the Behavior, Then Edit the Body Every safe refactor is...
#refactoring#testing#ai#productivity
0 0
Dakota Huang3d ago • 4 min read
The Diff Budget: Four Checks Before Merging an AI-Generated Refactor
A messy repo does not reward courage. It rewards measurement. The smallest safe change is a number,...
#refactoring#testing#ai#legacy
0 0
Dakota Wu3d ago • 5 min read
Refactor a Messy Repo Without Breaking It: Characterization Tests, Then the Smallest Safe Change
You inherit a checkout service with a 900-line pricing function, zero tests, and a README that...
#testing#refactoring#ai#python
0 0
Finley Zhou6d ago • 3 min read
87 Smart-Pointer Proposals From a Free Model. 31 Made It.
Disclosure: This article was prepared as part of MonkeyCode's product outreach. MonkeyCode is an...
#cpp#ai#refactoring#testing
0 0
Dakota Huang3d ago • 5 min read
The Reviewer Is the Untested Component: A Three-Layer Gate for AI Refactors
This week's DEV feeds keep asking what humans do while AI codes. The sharper question is about the.....
#ai#testing#refactoring#python
0 0
Dakota Huang4d ago • 4 min read
The Behavior Fingerprint: One Command That Gates Every Legacy Refactor
A refactor is safe when the behavior fingerprint is unchanged. The fingerprint is a hash of probe...
#refactoring#testing#legacy#ai
0 0
Dakota Huang4d ago • 4 min read
The Refactor Ledger: Make Every Small Change Prove Itself
A messy-repo refactor is a sequence of decisions. Most teams review only the final diff. That hides....
#refactoring#testing#ai#python
0 0
Dakota Huang4d ago • 5 min read
Fan-In Is the Refactor Safety Signal You're Ignoring
Fan-In Is the Refactor Safety Signal You're Ignoring Most legacy refactors start in the...
#refactoring#python#testing#ai
0 1
Dakota Huang5d ago • 4 min read
One Change, One Verify: Snapshot-Driven Refactoring for Legacy Code
One Change, One Verify: Snapshot-Driven Refactoring for Legacy Code Legacy refactors fail...
#refactoring#testing#python#ai
0 0
Dakota Huang4d ago • 5 min read
The Fault That Breaks the Fewest Tests Is Your First Extraction
The fault that breaks the fewest tests is your first extraction. Measure blast radius before you...
#refactoring#testing#legacy#ai
0 0
Dakota Huang5d ago • 3 min read
A Characterization Suite That Never Caught a Bug Won't Protect Your Refactor
A characterization suite that never caught a bug will not protect your refactor. It locks behavior.....
#testing#refactoring#ai#legacy
0 0
Dakota Huang4d ago • 5 min read
Characterize Before You Review: A 30-Minute Loop for AI Patches
Every AI patch lands in a repo you barely understand. Reviewing it blind is guessing with confidence...
#ai#testing#refactoring#legacy
0 0