Technical Foundations
Column VI. Every lesson leaves you with a working thing.
LevelSort
TC-13L3★Building a Project End to End: Idea to Live→ One idea taken from concept to a shipped first version — scope cut to an MVP, built, and put in front of one real userTC-08L2Databases and SQL: Your First 8 Queries→ Eight working SQL queries run against a real table, answering real questions about the dataTC-06L2★Git and GitHub: Version Control and Why Undo Is Non-Negotiable→ A published GitHub repository with a real commit history and a README, that you built from the command lineTC-02L1★How the Internet Works: DNS, HTTP, Servers, Browsers→ A traced request: every step between typing a URL and the page appearing, written in your own wordsTC-04L1★Python From Zero: The First 10 Concepts→ Your first program: a working script that takes input, makes a decision, and does something usefulTC-11L1★Security Basics: Password Manager, 2FA, and the Anatomy of Phishing→ A secured account set: a password manager in use, 2FA on your key accounts, and passkeys where offeredTC-10L2★Ship Your Own Site: Domain, Hosting, Deploy→ One real website live on the internet at a URL you can send to anyoneTC-12L3The Limits of AI-Written Code: How Far You Can Trust It→ One piece of AI-written code audited — at least two real problems found and fixed, and written upTC-03L1★The Terminal: Your First 20 Commands and Why It Still Matters→ Real work done in a shell: files organised, renamed in bulk, and searched — all from the command lineTC-01L1What a Computer Actually Does: CPU, RAM, Disk, OS→ A labelled model of what happens when you open an app — the job the CPU, RAM, disk and OS each doTC-07L2★What an API Is and How to Call One→ A working script that fetches live data from a real public API and does something with itTC-09L1Your First Page With HTML and CSS→ A styled web page you built by hand — real HTML and CSS in one file, opened in a browserTC-05L2★Your First Real Script: Automate Something You Do by Hand→ A working script that automates one real, repetitive task you actually do — run successfully on your own files