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Siphon my knowledge into your brain. Assimilate my sensibilities to your spine.

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

introduction video

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Fun

Unicode Search 😄

Keyboard

Character Frequency Plotter

Play Chinese Chess

Encrypt/Decrypt ROT13 Cipher

Programing Language Tutorials

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Golang

PowerShell

Python

Ruby

Perl

Emacs

Emacs Lisp

Linux

git

Wolfram Language

Visual CSS

HTML

SVG

PHP

Java

Clojure

POV-Ray

svn

OCaml

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TCP/IP

Windows Tips

Proliferation of Programing Languages

Hacker Cult

Comp Lang Perving

Xah on Lisp

Syntax Soup

Semantic Noodle

Jargons of Software Industry

Doc by Dummies

Why Python Doc Sucks

Why Python Sucks

CSS Sucks

User Interface Design

History of Web Tech

Anti Hacker y2k

The Unix Pestilence

Voodoos of Software Engineering

Complexity and Tedium of Software Engineering

Netiquette Anthropology: Tales of Tech Geekers

Technology, Past and Future

Unicode for Programers

Web Spam, Scam, SEO

More at Hacker Cult

Math

Interactive Geometry

Visual Dictionary of Special Plane Curves

Surface Gallery

Wallpaper Groups

Math Graphics Gallery

more Xah Math

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