Insights for great software & great teams

How-to guides, tooling tips and real-world advice for developers and product managers tired of broken software. Let’s fix this mess together.

Sign up and get insights delivered to your inbox.

How-to guides, tooling tips and real-world advice for developers and product managers tired of broken software. Let’s fix this mess together.

Want to talk shop or tackle a problem in real time? Unpack it with a developer or product manager.

Get our newsletter

Line drawing of a rocky mountain peak with a base camp and people building structures

Quality you can’t generate: AI is only as good as your constraints

AI changed the cost structure of software. It didn't change the value structure. The value is no longer the code you write. It's the taste, judgment, and constraints you encode into the system that shapes what AI produces.

Dave Mosher

A figure looks off towards the horizon. On the left is a giant robot, on the right a splash of vibrant color, connected nodes and a city unfurl.

Why we're not chasing the AI hype (And what we're doing instead)

Todd Kaufman

Speed is a side effect of making the system work

Doc Norton

Maximize software investment

Rubber duck in fedora and trench coat stands next to a vintage microphone

IndyPy Talk: Pydantically perfect in every way

Kyle Adams

Software tooling & tips

Double Takes

+ Expand posts

- Collapse POSTS

Double Takes

TDDing with Claude is like having a pair that removes all the failing assertions every time you go to the bathroom.

Steve Jackson

State machines are the answer for those seeking determinism in the era of AI agents.

Dave Mosher

A Slack conversation left Doc reflecting on what bug bashes say about the systems we work in.

Doc Norton

Test-driven development is to programming what double-entry bookkeeping is to accounting.

Neal Lindsay

The fundamental character flaw of the software creator is not the misguided belief that they can solve any problem with software. Instead, it is the belief they can understand how their own software works before they create it.

Steve Jackson

We may need a SaaS appendix for Zawinski's law:

Any SaaS platform attempts to expand until it is a social network.

Matt Jones

Double Agent Profile: Sam Jones

Sam Jones

No items found.

How to clean URL parameters for better UX

Need to track your marketing campaign in web analytics, but want to keep your site's URLs looking clean? Here's all you need to do.

Justin Searls

Software tooling & tips

ux-ui

Elevate your Terraform Workflow with GitHub Actions

Explore how GitHub Actions and Terraform can simplify your infrastructure automation. Follow our guide for efficient deployment pipelines.

Andrew Walker

DevOps & security

agile

aws

devops

Different color LEGO bricks sorted into neat piles

How to optimize your React project structure for better results

Organize your React project like a pro! Learn tips for better refactoring, hiding implementation details, and scalable growth. Start improving your codebase today.

Tommy Groshong

Legacy modernization

react

javascript

Mastering the macro machine

Mastering the macro machine

Do you want to know more about how to use macros in Vim? In this talk from VimConf 2021, learn tips and tricks for mastering macros in Vim with an example project.

Camilo Payan

Software tooling & tips

vim

How to make a gem of a gem

How to make a gem of a gem

Want to know how to make a Ruby gem? Here's how! Want to ensure it's maintainable, easy-to-use, and well tested? This RubyConf 2021 talk from Justin Searls covers that too!

Justin Searls

Software tooling & tips

ruby

rails

open-source

Moving away from big tech: A guide to deGoogling your phone

Ready to reclaim your digital privacy? Learn how to switch to LineageOS and microG, stepping away from big tech and towards greater control over your data.

Eric Newbury

Software tooling & tips

security

open-source

How to improve empathy: Practical steps and insights

Dive into practical ways to boost your empathy with insights from "The War for Kindness." Learn about experience sharing, compassion, and mentalizing, and discover how to make empathy a part of your daily life.

Kenneth Bogner

Communication & teams

communication

professional-growth

consulting

You're N.E.A.T.!

Technology is a means to an end: answers to very human questions. We want to connect with other folks who share that belief.

Ways to connect

Test Double Executive Leadership Team

Learn about our team

Like what we have to say about building great software and great teams?