Debugging - Giant Robots Smashing Into Other Giant Robots

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Reasoning by Analogy

A learning, problem solving, and debugging technique.
Joël Quenneville
March 27, 2025
It works on my machine. Why?

A list of things to check when something works on your computer but not on someone else’s.
Matheus Richard
August 15, 2024
- Debugging
Monitoring PostgreSQL on AWS RDS for slow queries

Some helpful tips to fixing slow database queries before they become a problem.
Olamide Olaoye
February 29, 2024
- AWS
- PostgreSQL
- Databases
- Debugging
- DevOps
Rubber Duck Debugging in public

Talking to a rubber duck about your code can get you far, but won’t take others with you. Learn how to turn a lonely debugging technique into a knowledge-sharing tool.
Neil Carvalho
December 27, 2023
Rails: When Changing Code Doesn't Change Behavior

Are you updating code and not seeing changes? Try this to figure out what’s wrong.
Matheus Richard
December 20, 2023
- Rails
- Ruby
- Debugging
Multi-thread Backtrace for Silently Hanging Tests

Tests hanging with no feedback on how to solve the problem? Try this!
Aji Slater
September 20, 2023
- RSpec
- Minitest
- Debugging
Inspecting Ruby's inspect method

Because 0x0000000103f70c98 never helped anyone.
Louis Antonopoulos and Steve Polito
June 20, 2023
How Upgrading Ruby Broke JavaScript

A tale of false assumptions.
Matheus Richard
April 18, 2023
Error Messages Are Our Friends

This article is about how to understand and embrace error messages as tools to help us find issues in our code.
Crystal Williams-Brown
April 3, 2023
This week in #dev (Dec 30, 2022)

Highlights of what happened in our #dev channel on Slack this week.
thoughtbot
January 10, 2023
- This Week In Dev
- Rails
- Ruby
- HTML
- Debugging
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