TechBays

Marc Andreessen posted this valuable cheatsheet on his blog Pmarca. I tagged this under delicious/techbays: HTML, Javascript, CSS, PHP. I’m reposting this for quick reference. (Thanks Marc!)

Meta-reference sites — organized lists of references and cheatsheets:http://www.gotapi.com/
A wonderful online API reference covering many programming languages.http://www.digilife.be/quickreferences/quickrefs.htm
An organized list of quick references and cheatsheets.http://techcheatsheets.com/
A great site with links to cheatsheets on lots of programming languages.http://refcards.com/
Another great site organizing various cheatsheets.

http://whatis.techtarget.com/definition/0,289893,sid9_gci826135,00.html
A very long and thorough set of links to cheatsheets all over the web.

Other meta-reference sites:

http://mypage.bluewin.ch/yuppi/links/cheatsheets.html
http://www.petefreitag.com/item/455.cfm
http://www.smashingmagazine.com/2006/10/30/cheat-sheet-round-up-ajax-css-latex-ruby/
http://www.fuzzyfuture.com/programming/the-developer-cheat-sheet-compilation/
http://lorelle.wordpress.com/2005/10/10/html-css-php-and-more-cheat-sheets/
http://3spots.blogspot.com/2005/10/cheatsheets.html
http://webdeveloper.econsultant.com/cheat-sheets/

Key providers of cheatsheets:

http://www.visibone.com/
Visibone, the company that makes the best commercial cheatsheets for HTML, CSS, colors, etc. Site includes free resources and downloadable versions of several great cheatsheets.

http://www.ilovejackdaniels.com/cheat-sheets/
Original cheatsheets for HTML, CSS, PHP, and other technologies.

http://www.deepx.com/resources/quickref/
Original cheatsheets for CSS, XML, and related technologies.

HTML cheatsheets:

http://html-tags.info/
Free version of Visibone’s HTML cheatsheet.

http://www.ucc.ie/doc/World-Wide_Web/htmlcard.html
HTML cheatsheet from Andrew Ford.

http://www.utoronto.ca/ian/books/extras/html-7nov2000.pdf
HTML cheatsheet from Ian Graham.

http://www.ilovejackdaniels.com/cheat-sheets/html-cheat-sheet/
HTML cheatsheet from ILoveJackDaniels.

http://gosquared.com/liquidicity/archives/51
HTML cheatsheet from Liquidcity.

http://www.htmlgoodies.com/beyond/reference/article.php/3472851
Maran Wilson’s HTML cheatsheet.

http://www.cdburnerxp.se/htmlcheatsheet.pdf
Florian Schmitz’s HTML cheatsheet.

http://www.arnspub.com/QuickRef/
An online reference to HTML organized by tag.

http://www.blooberry.com/indexdot/html/index.html
Brian Wilson’s online HTML reference.

http://www.ilovejackdaniels.com/cheat-sheets/html-character-entities-cheat-sheet/
ILoveJackDaniels’ HTML character entities cheatsheet.

CSS cheatsheets:

http://www.deepx.com/resources/quickref/CSS-1.0.pdf
CSS cheatsheet from DeepX.

http://www.utoronto.ca/ian/books/extras/css1-sheet-7nov2000.pdf
CSS cheatsheet from Ian Graham.

http://www.ilovejackdaniels.com/cheat-sheets/css-cheat-sheet/
CSS cheatsheet from ILoveJackDaniels. (And really, who doesn’t?)

http://www.gosquared.com/liquidicity/archives/33
CSS cheatsheet from Liquidcity.

http://www.spectrum-research.com/V2/projects_css_reference.asp
CSS cheatsheet from Spectrum Research.

http://www.veign.com/downloads/guides/qrg0007.pdf
CSS cheatsheet from Veign.

http://home.tampabay.rr.com/bmerkey/cheatsheet.htm
CSS cheatsheet from Brett Merkey.

http://lesliefranke.com/files/reference/csscheatsheet.html
CSS cheatsheet from Leslie Franke.

http://www.lazycat.org/webdesign/cssref.php
CSS cheatsheet from Matt Robinson.

http://www.blooberry.com/indexdot/css/index.html
Online CSS reference from Brian Wilson.

http://meyerweb.com/eric/css/references/css1ref.html
http://meyerweb.com/eric/css/references/css2ref.html
CSS online references from Eric Meyer.

http://www.design215.com/toolbox/css_guide.php
A detailed overview of CSS from 2006 that covers features that work on most browsers.

Javascript cheatsheets:

http://wps.aw.com/wps/media/objects/2234/2287950/javascript_refererence.pdf
Addison-Wesley Javascript cheatsheet.

http://sage.math.washington.edu/home/agc/lit/javascript/javascriptcheatsheet.pdf
Javascript cheatsheet from Holmer Hemsen.

http://www.ilovejackdaniels.com/cheat-sheets/javascript-cheat-sheet/
Javascript cheatsheet from ILoveJackDaniels. (I really don’t understand how he produces so many cheatsheets, drinking as much Jack as he must.)

http://www.mytechsupport.ca/tools/docs/JavaScript_Quick_Reference.pdf
Luke Terheyden’s Javascript cheatsheet.

http://javascript-reference.info/
Visibone’s free Javascript reference card.

http://www.visibone.com/regular-expressions/
Visibone’s free Javascript regular expressions card, focused on Javascript.

http://www.quirksmode.org/js/contents.html
Extensive assortment of Javascript references on various topics.

Browser compatibility matrices:

http://www.quirksmode.org/dom/compatibility.html
http://www.quirksmode.org/css/contents.html
Comprehensive browser compatibility matrices for DOM, HTML, CSS, and event handling.

Colors:

http://www.visibone.com/colorlab/
Visibone’s free interactive web color picker.

http://html-color-codes.com/
Visibone’s free web color quick reference guide.

http://www.veign.com/downloads/guides/qrg0006.pdf
Veign’s web color reference guide.

PHP cheatsheets:

http://www.ilovejackdaniels.com/cheat-sheets/php-cheat-sheet/
PHP cheatsheet from ILoveJackDaniels.

http://www.stevengould.org/portfolio/independent/php-refcard/PHPRefCard.pdf
PHP 4 reference card from Steven Gould.

BONUS — Google cheatsheets:

http://www.google.com/help/cheatsheet.html
Official Google cheatsheet.

http://www.googleguide.com/advanced_operators_reference.html
Google advanced operators cheatsheet from Google Guide.

BONUS — free downloadable programming books:

http://freecomputerbooks.com/
Outstanding site organizing links to many free programming books, tutorials, and lecture notes.

http://www.freetechbooks.com/
Another organized set of links to free programming books.

Other sites for free programming books:

http://www.techtoolblog.com/archives/195-free-online-programming-books
http://www.computer-books.us/
http://www.onlinecomputerbooks.com/