http://refcards.com/
有以下这些参考卡片，很受益呀
All cards
AMSLaTeX Quick Reference Card
Joseph H. Silverman
AMSTeX Quick Reference Card
Joseph H. Silverman
ANSI C Quick Reference Card
Joseph H. Silverman
Apache 1.3 Quick Reference Card
Andrew Ford
ASN.1 Reference Card
OSS Nokalva, Inc
A tri-fold reference to Abstract Syntax Notation One, a standard notation for describing data structures for representing, encoding, transmitting, and decoding data.
ASP/VBScript Cheat Sheet
Dave Child
Asterisk Reference Card
Stefan Wintermeyer
Catalyst Quick Reference Card DRAFT
Andrew Ford
Perl web application framework
CSS Cheat Sheet
Dave Child
Single page reference to CSS 2.1.
CSS Level 1 Quick Reference
DeepX Ltd
CSS Level 2 Quick Reference
Benjamin Jung
CVS Quick Reference Card
Andrew Ford
A tri-fold PDF reference for the CVS version control system.
CVS Quick Reference Card
Laurent Grégoire
Debian GNU/Linux Reference Card
W. Borgert
DOC++
Steven Gould
A two-page, tri-fold guide to the DOC++ documentation system.
Firebird 2 Cheat Sheet
Lorenzo Alberton
single-page A4 reference to Firebird database, covering data types, functions, etc.
Mozilla Firefox Cheat Sheet
Leslie Franke
Covers keyboard shortcuts for the Firefox web browser
GNU Emacs Reference Card
Steven Gildea
GDB Quick Reference
Roland H. Pesch
HTML Cheat Sheet
Dave Child
single-page A4 quick reference for HTML
HTML Character Entity Cheat Sheet
Dave Child
single-sided A4 cheat shet listing HTML character codes
JavaScript Cheat Sheet
Dave Child
LaTeX Cheat Sheet
Winston Chang
HTML::Mason Reference Sheet
David Baird
tri-fold card covering the Perl-based web framework
Mediawiki
Michael Janich
Microformats Cheat Sheet
Dave Child
single page A4 cheat sheet
Microformats Cheat Sheet
Brian Suda
MIPS Reference Card
Jan Wätzig
two page overview of MIPS32 assembler
Mod_perl Quick Reference Card
Andrew Ford
A two page, tri-fold guide to the Perl module for Apache.
Mod_rewrite Cheat Sheet
Dave Child
single page A4 guide to the mod_rewrite Apache module
MySQL Cheat Sheet
Dave Child
single page, A4 cheat sheet covering functions and data types
OpenSSH Configuration Quick Reference
Jialong He
Perl Best Practices
Johan Vromans
summary of the best practices advocated by Damien Conway
Perl Quick Reference Card
John Bokma
Perl Regular Expressions
Iain Truskett
A 2-page, tri-fold overview of regular expressions in Perl
Perl Testing Reference Card
Ian Langworth
Tri-fold reference to Perl testing modules, that led to an O'Reilly book.
Perl Debugger Reference Card DRAFT
Andrew Ford
Tri-fold reference to the Perl debugger
Perl XML::LibXML DRAFT
Andrew Ford
Concise tri-fold reference to the Perl interface to libxml2.
PHP 4 Reference Card
Steven Gould
PHP Cheat Sheet
Dave Child
PostgreSQL Cheat Sheet
Lorenzo Alberton
single-page A4 reference to PostgreSQL data types, functions, etc.
Proof correction marks
Conrad Taylor
A ready reference to the more common proof correction marks in the most recently published British and ISO standards.
Prototype 1.5.0 Cheat Sheet
Jonathan Snook
Python 2.4 Quick Reference Card
Laurent Pointal
extensive 17 page, 3 column reference on Python
Regular Expressions Cheat Sheet
Dave Child
single page, A4 cheat sheet on regular expressions
Ruby on Rails Cheat Sheet
Dave Child
single A4 page cheat sheet
Sendmail Configuration Quick Reference
Jialong He
SQL Server Cheat Sheet
Dave Child
Single page reference to Microsoft's database server
TAPI Quick Reference
Jialong He
TeX Quick Reference Card
Joseph H. Silverman
Template Toolkit Quick Reference Card DRAFT
Andrew Ford
tri-fold reference to this sophisticated templating system.
UML Quick Reference Card
Laurent Grégoire
UML Quick Reference
Allen Holub
Vi Reference Card
Don Bindner
overview of that *other* editor
VIM Quick Reference Card
Laurent Grégoire
XEmacs Reference Card
Ben Wing
XML 1.0 Syntax Quick Reference
Mulberry Technologies
XML Schema - Data Types Quick Reference
Dan Vint
XML Schema - Structures Quick Reference
Dan Vint
XPath
DeepX Ltd
XSLT 1.0 Quick Reference
DeepX Ltd
XSLT 1.0 and XPath 1.0 Quick Reference
Mulberry Technologies
