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Guides and notes
Short, practical articles about connectivity, software problems, learning to code and staying safe with support.
A short checklist before you ship an app update
Most failed releases miss something small. Run through this list first.
Troubleshooting · 4 min Oct 2026It works on my machine: finding bugs that only happen in production
When code works locally and fails on the server, the difference is in the environment. Here is where to look.
Troubleshooting · 2 min Oct 2026When the build only fails in CI
A build that passes on your computer and fails in continuous integration is telling you something about your setup.
Troubleshooting · 2 min Oct 2026How to read a stack trace
A stack trace looks intimidating, but it is a map to the problem. Read it in the right order.
Troubleshooting · 2 min Oct 2026How to make a minimal reproduction of a bug
A small example that shows the bug is the fastest route to a fix, and it often reveals the cause on its own.
Troubleshooting · 2 min Oct 2026WordPress white screen: a calm way to find the cause
A blank WordPress site is alarming, but the cause can usually be found in a few careful steps.
Troubleshooting · 2 min Oct 2026Webhooks not arriving: a checklist
When a payment, form or deployment webhook does not reach your application, work through these checks in order.
Troubleshooting · 2 min Oct 2026Finding out why a database query is slow
Guessing at database performance rarely works. Measure, read the query plan, then change one thing at a time.
Troubleshooting · 2 min