Here is a nice collection of 15 downloadable and printable Programming
Cheat Sheets from Addedbytes,
providing quick
references for many programming languages and web development
technologies.
Python
Programming
Subversion
Command Line
Regular
Expressions (V2)
including symbols,
ranges, grouping, assertions
mod_rewrite
(V2)
with rewrite flags, regular expression
syntax and sample rules.
PHP
Cheat Sheet
(V2)
with functions references, a regular expression syntax
guide and a reference for PHP's date formating functions.
CSS
Cheat Sheet
(V2) including selector syntax, properties, units
SQL
Server including stored procedures, triggers and functions.
HTML
Cheat Sheet
Microformats
Ruby
on Rails Cheat Sheet
with default directory structure, predefined variables, methods,
reserved
words and regular expression syntax.
ASP
/ VBScript
containing
functions, collections, regular expression syntax and other useful bits
of information.
HTML
Character Entities lists the assigned character codes
in HTML, with an example of how they are displayed, and description.
JavaScript
Cheat Sheet listing methods and
functions, and including a guide to regular expressions and the
XMLHttpRequest object.
MySQL
Cheat Sheet including functions (both
in MySQL and PHP), data types, and sample queries
RGB
Hex Colour Chart
