∑ Xah Code

Math and Programing, tutorials and essays. There are 3.7 thousand articles.

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Programing Tutorials

JavaScript in Depth
Visual CSS
HTML

SVG in 1 hour
Python by Example
Ruby by Example
Perl by Example
PHP Basics
Java
Go
Clojure
Practical Linux
Practical git in 1 Hour
svn
Emacs
Emacs Lisp
OCaml
PowerShell
Mathematica

Programing Language Design

Syntax Soup and Semantic Noodle

more Hacker Cult

more Xah Math

Testimonials

Printed Citations to Xah Lee Site

Just need to say. I love @xah_lee website. Choc full of useful info of useful information.

2017-04-23 https://twitter.com/fleontrotsky/status/856217970913271809

A lot of content here: http://xahlee.info/index.html Very impressive! By @xah_lee

2017-04-19 https://twitter.com/leifbattermann/status/854592033452945409

Yep. I'm Nigerian programmer living in Nigeria. I really enjoy your articles on ergonomics, emacs, programming languages etc

2017-04-20 https://twitter.com/SegunOlulana/status/855047691692199936

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