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Computing ＆ its People

The following is a index of tutorials and essays related to computing on xahlee.info. (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 Tutorial ＆ Elisp Tutorial (200+ pages)
• Python ＆ Perl Tutorial (70+)
• Java Tutorial (30+)
• HTML+CSS Tutorial (40+)
• Javascript Tutorial (20+)
• PHP Tutorial (10+)
• OCaml Tutorial (5+)
• PowerShell Tutorial (10+)
• Linden Scripting Language Tutorial (10+)
• Mathematica (15+)

Other Major Tech Topics

Practical Tips

• Xah Windows Tips (50+ pages)
• Keyboards, Layouts, Hotkeys, Macros, RSI ⌨ (70+)
• Xah's Unicode Tutorial ⇒ λ ∞ π § ☺ ♀ ♂ ♥ (40+)

Essays

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

Unix Command Line Tutorials

• Emergency vi
• Unix Shell Text Processing Tutorial (grep, cat, awk, sort, uniq)
• How to rsync, wget, curl, diff
• rsync Windows to unix File Permissions
• How to Use Unison for Syncing Files
• SubVersion (svn) Tutorial
• ImageMagick Tutorial
• PowerShell vs Bash Compared (PowerShell for Unixers)
• Emacs Shell Tutorial (bash, cmd.exe, PowerShell)
• Unix And Windows File Permission Systems

• aspell Tutorial
• Hunspell Tutorial
• How to View Comments in JPEG, PNG, MP3 files? (ExifTool Tutorial)

Mac OS X Specific

• Mac OS X Resource Fork and Command Line Tips
• Mac OS X “.dmg” File and Command Line Tutorial
• OS X Extended Attributes and xattr
• Mac OS X SSH Session Disconnection
• Perl Script for Removing Mac Resource Fork
• How To Create Your Own Keybinding In Mac OS X
• Safari “.webloc” File

Essays

The Unix Pestilence

Perl Books Survey 2002

On Unix

• The Nature of the Unix Philosophy
• UNIX Philosophy: Fast Food the UNIX way
• English Idiom in Unix: Directory Recursively
• Idiocy Of Unix Copy Command
• On Unix Filename Characters Problem
• The Unix File Name Case Sensitivity
• Unix, RFC, Line Truncation
• Unix's mbox format
• Unix, Security, and FTP
• Unix and Literary Correlation
• Unixers, RFC, and Perl
• GUI Makes People Dumb?
• Is Mac OS X Unix
• Switching from Mac/Unix To PC/Windows

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

• Digital Communication Bandwidth
• Computer Tech Progress and Video On Demand
• 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

…

• 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

Xah's Image Editing Notes