Tutorials - Page 2

Learn to specify before you ask: scaffold approach, TDD with AI, and how to review generated code before trusting it.

Default parameters, keyword arguments, *args, and **kwargs make your functions flexible. One of them has a trap Python doesn't warn you about before springing it.

git config does a lot more than store your name and email. The right options cut daily friction, improve your diffs, and make Git behave the way you actually want it to.

Git was not designed for binary files that weigh hundreds of megabytes. Git LFS solves the problem by storing pointers in your repository and keeping the actual files elsewhere.

Work on multiple branches simultaneously without switching directories or stashing. Git worktree lets you have as many working environments as you need, all connected to the same repository.

How to go from Docker images that weigh hundreds of MB to production images that contain exactly what they need: minimal base images, distroless, dive, and layer optimization.

BuildKit, Docker's modern build engine: pass secrets safely without leaking them into image layers, cache package downloads between builds, and build for ARM and x86 from one machine.

Learn how Git hooks work, which ones actually matter, and how to share them with the team using Husky, pre-commit, or lefthook.

Learn what Git submodules are, how to add, clone, update, and remove them, and when to avoid creating a tiny .gitmodules-shaped monster.

Learn how to use AI as a technical tutor: basic questions, the Feynman technique, ‘but why?’ chains, and exercises that prove real understanding.

Turn RCTF into real development prompts: rich context, iterative rounds, and response formats you can plug directly into your daily workflow.

Learn how to search in Vim with f, t, /, ?, n, N, *, # and control highlighting so you can move through code without crawling line by line.