The Valley of Code

1:	Fundamentals
2:	HTML and CSS
3:	Tools
4:	Deployment
5:	JavaScript
6:	More JavaScript
7:	TypeScript
8:	Python
9:	More Python
10:	PHP
11:	More CSS
12:	DOM and Events
13:	Networking
14:	Browser API
15:	Server Runtimes
16:	HTTP Servers
17:	Forms
18:	Databases
19:	Libraries and frameworks
20:	Docker
21:	Go
22:	C
23:	Linux
24:	Swift
25:	Electronics
26:	Misc

Copyright 2025

The Valley of Code

A Flavio Copes project

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Changelog

November 2025

The BIG UPDATE is here! The Valley of Code is back and now is bigger and better than ever!
Added new Python section!
Added new PHP section!
Added new C section!
Added new Go section!
Added new Swift section!
Added new Linux section!
Added new Electronics & Arduino section!
Added new Docker section!
Added new Laravel unit!
Added new Redis unit!
Improved lesson navigation and minor UI refinements across all units.
Fixed typos and clarified explanations in several lessons.

February 2024

Added Remix unit!

January 2024

Added Drag and Drop API unit
Added Geolocation API unit
Added IndexedDB unit

December 2023

Added Browser API section with 3 new units: Cookies, Storage, History API
Added new htmx unit
Added new Alpine.js unit

November 2023

First public version released!