Computing ＆ its People

This page is a index of tutorials and essays related to computing on xahlee.org. (There are over 1 thousand articles. Use the search box to find what you are looking for.)

For latest additions, subscribe: Xah's Programing Blog ◇ Xah Emacs Blog ◇ Xah's Web Dev Blog.

Computer Language Tutorials

• Emacs ＆ Emacs Lisp (≈300 pages)
• Python ＆ Perl (70+)
• Java (30+)
• HTML, CSS, Web Dev (100+)
• JavaScript (20+)
• PHP (10+)
• OCaml (5+)
• PowerShell (10+)
• Linden Scripting Language (10+)
• Mathematica (15+)

Other Major Tech Topics

Practical Tips

• Unix/Linux Command Line Tutorials (50)
• Unicode Tutorial ⇒ λ ∞ π § ☺ ♀ ♂ ♥ (50+)
• Keyboards, Layouts, Hotkeys, Macros, RSI ⌨ (70+)
• Microsoft Windows Tips (50+)
• Intro to POV-Ray and 3D Geometry Programing

Essays

• on Programing Languages (50+)
• Jargons of Software Industry (10+)
• The Tech Geekers ＆ Software Engineering (30+)
• The Complexity ＆ Tedium of Software Engineering (14+)

Essays

Netiquette Anthropology (35+ pages)

Logo Design ＆ Software Industry (10+ pages)

Free Software, Communism, Ideologies, Policies

• What Desires Are Politically Important? (by Bertrand Russell)
• Software Piracy, Open Source, Free Software, Copyright
• ZIP, Open Source, Mother-Son Relationship
• Communism, American, and Open Source
• On Microsoft Hatred
• Responsible Software Licensing
• “Free” Software Morality, Richard Stallman, Paperwork Bureaucracy
• Software Freedom is Free Speech or Free Beer?
• Netscape Crap
• Cookies, Super Cookies, Your Privacy
• Porn Freedom (What Is Obscenity?)
• Apple iPad, Censorship
• Lulz Security Farewell Note
• Reading Notes on Basic Economics

Encyclopedia

• Encyclopedia, My Experiences
• Death of Encarta
• the Engine of Wikipedia
• On Wikipedia's Misinformation
• Links To Wikipedia from XahLee.org
• Wikipedia Morons
• Wikipedia ban on Editing Tibet
• Wikipedia and Photo of Human Vulva
• Lispers and Wikipedia
• Wikipedia Article on Cindy's Torment
• the encyclopedic internet
• Technology for Knowledge in Past Decades

Technology

• How Fast Does Internet Speed Grow?
• Computer Tech Progress and Video On Demand
• Screen Size Comparison: DVD, iPhone, iPad, MacBook, Blu-ray
• Solid-State Drive Comes Of Age!
• Hi-Fi Audio Systems, Binaural Recording
• Binaural Tone, I-Doser
• HP-28S Advanced Scientific Calculator
• What's the Latest and Greatest in Calculators?
• Linotype Machine, Typesetting, Book Binding Tech

Misc Talks (videos)

• Ocaml Use in Industry (Janestreet Talk by Yaron Minsky)
• Theodore Gray: Future of Text Book, iPad, Education
• Neal Stephenson at Google Talk
• Sergey Brin Talk on China, Wikipedia, Search Engines, …
• Internet History, Netscape, Dot Com, Code Rush

Misc, Unsorted

• Xah Lee Introduces Stanford University Computer Science Courses
• the Death of Dennis Ritchie
• Richard Stallman on Steve Jobs's Death
• Keywords and Taxonomy
• MYSQL
• The NoSQL Movement
• Notes on Database Joins

• Tree Functions in Perl, Python, Java

• NSA Mass Surveillance

• What is Watt-Hour?
• Computing: mega vs mibi, kilo vs kibi

• Web-browsers 2003 pro and con
• The Landscape of Instant Messaging and the Mac

• Lisp Celebrities and Computing History from Worse Is Better
• What's the Difference Between Hacker and Tech Geeker?
• Steve Jobs on Apple and Google Websites; Screenshots
• Tablet Computer: Touch-screen Interface Pros and Cons

Xah's Image Editing Notes