Stage 2 · Lesson 4 of 8
Following one feature end to end
Pick one feature a real user touches, such as signing in or placing an order, and follow it through the code. Start at the button or API call. Follow it through the handler, the (the rules of the product) and the , and back again.
Use a debugger or to watch a real request move through the system on your machine. Write down every file and service it passes through. Tracing one feature properly is the fastest way of .
It teaches you the team's patterns, naming and layers better than a week of browsing, and it gives you precise questions for your buddy.
Common traptracing only the , where everything works; look at what happens on an error too, because that is where most of the bugs you fix will live.
A question to check yourself, an AI practice session and 1 cheat sheet entry come when you add the roadmap to your account. Add it
Resources for this stage
Start with· follow one of these
- GuideFreeHow to Ask Good Questions (Julia Evans)
Julia Evans · Beginner
A fifteen-minute read that changes how you ask for help from day one
- BookPaidThe Missing README: A Guide for the New Software Engineer
Chris Riccomini and Dmitriy Ryaboy (No Starch Press) · Beginner · $29.99 print, $23.99 ebook
The chapters on getting to competence and working with code match these two weeks closely