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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

Screen with markup notes pointing out details on an open source website

Developers

The social coding contract

Justin Searls' RubyConf 2014 talk inviting the Ruby community to pause and reflect on our relationship with open source. Convenience and ego drive most open source adoption, but these shortsighted motivations raise long-term problems we need to clearly identify if we can ever hope to solve them.

Justin Searls

Accelerate quality software

open-source

ruby

conference-talk

Developers

How to keep your Rails migrations healthy

Ever wondered how to keep your Rails migrations error-free? Dive into our best practices to ensure your database is always up-to-date and reliable.

Justin Searls

Software tooling & tips

agile

rails

ruby

testing

Developers

Migrating from MongoDB to PostgreSQL in Rails

Learn how we successfully migrated a Rails application from MongoDB to PostgreSQL, overcoming challenges and optimizing performance.

Justin Searls

Legacy modernization

heroku

postgres

rails

ruby

Developers

Breaking up (with) your test suite

By cordoning off each group of tests based on the value we hope to get out of them, we can develop unprecedented clarity in our working relationship with tests.

Justin Searls

Testing

ruby

teams

testing

Developers

Mock objects in discovery tests

Justin Searls provides an intro to a variant of TDD sometimes described as "London style," "Mockist," "Outside-in," "Isolation," and "GOOS.” The screencast may provide you with a clearer picture about what some people who talk about mock objects in a positive light are actually talking about.

Justin Searls

Testing

testing

Developers

JavaScript testing tactics: Lightning edition

The snappy, 20-minute version of Justin Searls' talk about testing tactics for JavaScript, delivered at ScotlandJS in 2014.

Justin Searls

Testing

testing

javascript

Leadership

Enacting change

Test Double CEO & Co-founder uses real world examples from parasitic worms to subway cars to demonstrate how a few key behaviors can mean the difference between enacting lasting change or a lifetime of embracing the change of others.

Todd Kaufman

Communication & teams

consulting

teams

communication

Audience watches two people give a conference talk

Developers

A step-by-step guide to crafting a conference talk

Ever wondered what goes into making a memorable tech talk? Dive into the secrets of planning and presenting at tech conferences that will keep your audience engaged and inspired.

Justin Searls

Communication & teams

communication

professional-growth

conference-talk

Insights for great software & great teams

Double Takes

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