All cheat sheets, round-ups, quick reference cards, quick reference guides and quick reference sheets in one page. The only one you need.

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.NET W

Cheat sheets:
  • online archived Core .NET by Jon Skeet [pdf] (refcardz.dzone.com)
  • saved .NET Format String Quick Referencee [pdf] (john-sheehan.com)
  • saved .NET Framework 4 and Extensions [pdf] (msdn.microsoft.com)
  • online archived Regular Expression Cheat Sheet (.NET) [html] (regexlib.com)

ActionScript W

Cheat sheet:
  • saved Flash ActionScript Quick Reference by Jialong He [pdf] (tiger.la.asu.edu)

Ada W

Cheat sheets:
  • online saved Ada Reference Card by DAINA [pdf] (digilife.be)
  • online saved Ada Syntax Card by DAINA [pdf] (digilife.be)

ADO.NET W

Cheat sheets:
  • online archived ADO.NET Entity Framework: Object-Relational Mapping and Data Access by Dane Morgridge [pdf] (refcardz.dzone.com)
See also: .NET

Adobe Systems W

Cheat sheets:
  • online saved archived The Ultimate Adobe Creative Cloud Keyboard Shortcuts Cheat Sheet by Jamie Spencer [html, jpg] (makeawebsitehub.com)
  • online saved archived Adobe CC Keyboard Cheat Sheet For Web Designers 2016 by Jamie Spencer [html, jpg] (makeawebsitehub.com)
  • online saved archived Adobe CC Photographers Keyboard Shortcuts Cheat Sheet 2016 by Jamie Spencer [html, jpg] (makeawebsitehub.com)
Official website: adobe.com

Adobe Acrobat W

Cheat sheet:
  • saved Adobe Acrobat Quick Reference, Abobe Acrobat 8 Cheat Sheet [pdf]
  • online saved archived 2015 Adobe Acrobat DC Keyboard Shortcuts Cheat Sheet by Jamie Spencer [html, jpg] (makeawebsitehub.com)
  • online saved Acrobat Pro DC by Ton Haarmans [pdf] (wideopenwindows.be)
Official website: adobe.com/products/acrobat/
See also: Adobe Systems

AJAX - Asynchronous JavaScript And XML W

Algebra W

See also: Math

Apache W

Official website: httpd.apache.org

Apache Ant W

Official website: ant.apache.org
See also: Apache

Apache Camel W

Cheat sheets:
  • online archived Enterprise Integration Patterns W with Apache Camel by Claus Ibsen [pdf] (refcardz.dzone.com)
Official website: camel.apache.org
See also: Apache, Design Pattern

Apache Cassandra W

Cheat sheets:
  • online archived Apache Cassandra: A Fault-Tolerant, Massively Scalable NoSQL Database by Brian O’Neill [pdf] (refcardz.dzone.com)
Official website: cassandra.apache.org

Apache Solr W

See also: Apache, Lucene

APT - Advanced Packaging Tool W

See also: Debian

Arduino W

Official website: www.arduino.cc

ASCII - American Standard Code for Information Interchange W

See also: Characters

ASP - Active Server Pages W

Cheat sheets:
  • online archived Core ASP.NET by Holger Schwichtenberg [pdf] (refcardz.dzone.com)
  • online saved saved archived ASP / VBScript Cheat Sheet by Dave Child [png, pdf] (addedbytes.com)
  • saved ASP.NET 2.0 Page Life Cycle & Common Events [pdf] (john-sheehan.com)
  • online archived Getting Started with ASP.NET MVC 1.0 by Simone Chiaretta and Keyvan Nayyeri [pdf] (refcardz.dzone.com)
See also: .NET, WebMatrix

Assembly Language W

Cheat sheets:
  • online saved Intel Assembly 80x86 CodeTable by Roger Jegerlehner [pdf] (www.jegerlehner.ch/intel)
  • online saved archived Win32 Assembly Cheat Sheet by Peter Kankowski [png] (strchr.com)
  • online archived gcc x86 Assembly Quick Reference ("Cheat Sheet") by Peter O. Lawlor [html] (cs.uaf.edu)
  • saved Intel x86-64 Architecture by Michael Stumpfl [pdf]
Documentation, Books, Articles:
  • online Assembly languages [html, pdf] (wikibooks.org)
  • archived ASM Community • The Assembly Language Resource [html] (asmcommunity.net)
  • online online saved archived Programming from the Ground Up by Jonathan Bartlet; Edited by Dominick Bruno, Jr [html, pdf]
  • online saved archived PC Assembly Language by Paul A. Carter [pdf] (drpaulcarter.com)

Astronomy W

AWK - Aho, Weinberger and Kernighan programming language W

Azure (Azure Services Platform, Windows Azure Platform) W

Cheat sheets:
  • online archived Cloud Computing with Windows Azure Platform by Brian H. Prince [pdf] (refcardz.dzone.com)

Bazaar (formerly Bazaar-NG, commandline tool bzr) - distributed revision control system W

Official website: bazaar-vcs.org/
See also: CVS, Git, SVN

Berkeley DB (BDB, Oracle Berkeley DB) W

Big OW

Cheat sheets:
  • online saved BIG-O-CHEATSHEET [png] (bigocheatsheet.com)
  • online saved Big-O Poster by ro31337 [pdf] (github.com)

BIRT - Business Intelligence and Reporting Tools Project (BIRT Project) W

Official website: eclipse.org/birt/
See also: Eclipse

BlazeDS W

See also: Adobe, Flex, Java

Blogger W

Official website: www.blogger.com

Blueprint - CSS framework W

Official website: www.blueprintcss.org/
See also: CSS

BPEL - Web Services Business Process Execution Language (WS-BPEL) W

Official website: OASIS WSBPEL TC Webpage

Business Process Modeling (BPM) W and Business Process Modelling Notation (BPMN) W

Official website: bpmn.org

C W

See also: C#, C++, GDB, Objective-C, OpenMP

C# W

See also: C, C++, Java, Objective-C

C++ W

Calculus and Analysis W

See also: Math

Camera W

Catalyst W

Cheat sheets:
  • saved saved Catalyst Quick Reference Card by Andrew Ford [pdf]
Documentation, Books, Articles:
  • online Catalyst::Manual [pdf] (cpan.org)
Official website: catalystframework.org
See also: Perl

Characters W

See also: ASCII

Chef W

Cheat sheets:
  • online Chef: An Open Source Tool for Scalable Cloud and Data Center Automation by Jeffrey Hulten [pdf] (refcardz.dzone.com)
Official website: www.opscode.com/chef/

Chemistry W

chmod W

See also: Linux, Unix

Clojure W

Official website: http://clojure.org/
See also: Erlang, Haskell

Cloud Computing W

Cheat sheets:
  • online Getting Started with Cloud Computing by Daniel Rubio [html] (refcardz.dzone.com)
Official websites:

Cocoa W

Cheat sheets:
  • saved Cocoa Framework (iOS SDK 3.0) by Alexey Nazaroff [pdf]
See also: Mac OS X, Objective-C

ColdFusion W

Cheat sheets:
  • online ColdFusion Cheat Sheet [html] (petefreitag.com)
  • online CFSCRIPT ColdFusion Cheat Sheet [html] (petefreitag.com)
  • online Getting Started with ColdFusion 9 by Terry Ryan [pdf] (refcardz.dzone.com)
  • online Getting Started with Adobe ColdFusion Builder by Terry Ryan [pdf] (refcardz.dzone.com)
  • online Leveraging ColdFusion 9 Exposed Services from Java by Mark Mandel [pdf] (refcardz.dzone.com)
  • online Adobe® ColdFusion Web Services for PHP Programmers by Marco Tabini [pdf] (refcardz.dzone.com)
  • online ColdFusion Builder 2: Faster Coding, Less Errors by Terry Ryan [pdf] (refcardz.dzone.com)
See also: Adobe Systems

Colour W

Computer Science W

Continuous Integration (CI) W

Countries W

CSS - Cascading Style Sheets W

Cheat sheets:
  • saved CSS in one page [html] (css.su)
  • saved CSS Level 1 Quick Reference DeepX Ltd [pdf] (refcards.com)
  • saved CSS Level 2 Quick Reference Benjamin Jung [pdf] (refcards.com)
  • online saved archived 2016 CSS Cheat Sheet Infographic by Jamie Spencer [html, jpg] (makeawebsitehub.com)
  • online archived saved saved CSS Cheat Sheet by Dave Child [html, png, pdf] (cheatography.com)
  • online archived CSS Cheat Sheet [html] (petefreitag.com)
  • online archived CSS Properties and Values by Dave Child [html] (elizabethcastro.com)
  • saved CSS 2 - Quick Reference Guide [pdf] (veign.com)
  • saved CSS2.1 Quick Reference Card [pdf] (explainth.at)
  • saved Apple’s CSS Cheat Sheet [html.zip] (apple.com)
  • online archived CSS CHEAT SHEET [html] (lesliefranke.com)
  • online saved Cascading Style Sheets 1.0 [pdf] (digilife.be)
  • online archived CSS Property Index [html] (blooberry.com)
  • online archived CSS Shorthand Guide [html] (dustindiaz.com)
  • online saved saved XPath, CSS, DOM and Selenium: The Rosetta Stone by Michael Sorens [pdf: Locators table, Locators groups] (simple-talk.com)
  • online archived CSS Cheat Sheet by Robert Duncan [html] (simplehtmlguide.com)

CVS - Concurrent Versions System W

See also: Bazaar, Git, SVN (Subversion)

DB2 (IBM DB2) W

Cheat sheets:
  • online archived DB2 cheat sheet by Alex Staveley [pdf] (dublintech.blogspot.com)
  • online archived The A to Z of DB2 by Alex Staveley [pdf] (dublintech.blogspot.com)

db4o W

Official website: db4o.com

Debian W

See also: Linux, Unix

Delphi W

Design Pattern W

Django W

See also: Python

Doctrine W

See also: PHP

Doctypes W

DOM - Document Object Model W

Cheat sheets:
  • saved W3C DOM in one page [html] (w3cdom.org)
  • online saved saved XPath, CSS, DOM and Selenium: The Rosetta Stone by Michael Sorens [pdf: Locators table, Locators groups] (simple-talk.com)
Official website: http://www.w3.org/DOM/

Domain-driven design (DDD) W

Official website: dddcommunity.org

DOT language W

Cheat sheets:
  • saved Dot by Sridhar Sarnobat [pdf]
Documentation, Books, Articles:
  • online The DOT Language by Graphviz - Graph Visualization Software [html] (graphviz.org)

Drupal W

Official website: drupal.org

DTD - Document Type Declaration W

Eclipse W

Cheat sheets:
  • saved saved saved Eclipse CDT Keyboard Shortcuts Cheat Sheet by Etienne Savard [pdf, png 300 dpi, png 600 dpi] (symbiosoft.net)
  • online saved saved Eclipse Keyboard Shortcuts by Jesper Kamstrup Linnet [pdf, rtf] (eclipse-tools.sourceforge.net)
  • online saved Eclipse CDT 8.0 Cheat Sheet [pdf] (triada.si)
  • online Getting Started with Eclipse by Ed Burnette & Adam Houghton [pdf] (refcardz.dzone.com)
  • online Getting Started with Eclipse RCP by James Sugrue [pdf] (refcardz.dzone.com)
  • online Eclipse Plug-in Development by James Sugrue [pdf] (refcardz.dzone.com)
  • online Eclipse Modeling Framework: Essential EMF by Ed Merks and James Sugrue [pdf] (refcardz.dzone.com)
  • online Getting Started with MyEclipse by Riyad Kalla & Jens Eckels [pdf] (refcardz.dzone.com)
  • online Eclipse Tools for Spring: The SpringSource Tool Suite by Gordon Dickens, Chariot Solutions [pdf] (refcardz.dzone.com)
Official website: eclipse.org
See also: BIRT, Java, NetBeans

Ed - UNIX Text Editor W

EJB - Enterprise JavaBean W

Official website: java.sun.com/products/ejb/
See also: Java

Emacs W

Erlang W

See also: Clojure, Haskell

F# W

Official website: F# at Microsoft Research

Fedora W

Official website: fedoraproject.org
See also: Red Hat, Linux, rpm

Feed (Web Feed) W: AtomW, RSS W

See also: XML

File W

Firebug W

Official website: http://getfirebug.com/
See also: Firefox

Firefox W

See also: Firebug

FitNesse W

Official website: http://www.fitnesse.org/

Firefox Add-ons W

Official website: http://addons.mozilla.org/

Flash W

Cheat sheets:
  • saved Adobe Flash CS3 Quick Reference Card [pdf] (customguide.com)
  • online Getting Started with Adobe Flash Builder 4 by Eric Daugherty [pdf] (refcardz.dzone.com)
  • online Adobe Flash Builder 4.5: Develop for the Web, Desktop and Mobile by Holly Schinsky [pdf] (refcardz.dzone.com)
Official website: adobe.com/products/flash/

Flash Catalyst W

Flex W

Cheat sheets:
  • saved Adobe flex 3 cheat sheet [pdf] (scribd.com)
  • online Very First Steps in Flex by Bruce Eckel and James Ward [pdf] (refcardz.dzone.com)
  • online Flex & Spring Integration by Jon Rose and James Ward [pdf] (refcardz.dzone.com)
  • online Flexible Rails: Flex 3 on Rails 2 by Peter Armstrong [pdf] (refcardz.dzone.com)
  • online Getting Started with Integrating PHP and Flex by Marco Tabini [pdf] (refcardz.dzone.com)
  • online Flex 4 & Spring 3 Integration by Jon Rose and James Ward [pdf] (refcardz.dzone.com)
  • online Flex Mobile Development: Build Apps for Android, iOS, and BlackBerry Tablet OS by Mihai Corlan [pdf] (refcardz.dzone.com)
Official website: adobe.com/products/flex/

Fonts W

Fortran W

See also: GDB, OpenMP

Freeware W

FTP - File Transfer Protocol W

GDB - GNU Debugger W

See also: C, C++, Fortran

Geometry W

See also: Math

Gift W

Gimp W

Official website: www.gimp.org
See also: Photoshop

Git W

Cheat sheets:
  • online saved saved saved GitCheatSheet by Zack Rusin [html, png, pdf, svg] (git.or.cz)
  • online saved saved saved saved Git cheat sheet, extended edition prepared by Jan Krueger [svg front, svg back, pdf, pdf.zip] (git.or.cz)
  • online saved Git Quick Reference by Juan Pablo Justiniano [pdf] (jpjustiniano.wordpress.com)
  • online saved Git cheat sheet [pdf] (git-tower.com)
  • online archived Getting Started with Git by Matthew McCullough [pdf] (refcardz.dzone.com)
  • online saved Git Cheat Sheet - GitHub Training [pdf] (training.github.com)
  • online saved Git for Subversion Users - A Cheat Sheet by Tobias Günther [pdf] (git-tower.com)
Documentation, Books, Articles:
  • online archived Official Git tutorial [html] (kernel.org)
  • online archived Git Reference [html] (gitref.org)
  • online archived Everyday GIT With 20 Commands Or So [html] (kernel.org)
  • online archived Git - SVN Crash Course [html] (git-scm.com)
  • online archived Git User’s Manual (for version 1.5.3 or newer) [html] (kernel.org)
  • online archived Pro Git by Scott Chacon [html] (progit.org)
Official website: git-scm.com
See also: Bazaar, CVS, SVN.

Gmail W

Official website: gmail.com
See also: Google

Google W

Official website: http://www.google.com/

Google App Engine W

Official website: appengine.google.com
See also: Cloud Computing

Google Chrome W

See also: Google

Google Maps W

Official website: maps.google.com
See also: Google

Grails W

Official website: grails.org
See also: Java

Griffon W

Official website: griffon.codehaus.org
See also: Java

Groovy W

Official website: groovy.codehaus.org
See also: Java

Guitar W

See also: Music

GWT - Google Web Toolkit W

Official website:
See also: AJAX, Google, Java, JavaScript

Hardware W

Hadoop W

Cheat sheets:
  • online archived Getting Started with Apache Hadoop by Eugene Ciurana and Masoud Kalali [pdf] (refcardz.dzone.com)
  • online archived Apache Hadoop Deployment: A Blueprint for Reliable Distributed Computing by Eugene Ciurana [pdf] (refcardz.dzone.com)
Official website: http://hadoop.apache.org/
See also: Apache

Haskell W

Official website: http://haskell.org/
See also: Clojure, Erlang

HBase W

Cheat sheets:
  • online Apache HBase: The NoSQL Database for Hadoop and Big Data by Alex Baranau and Otis Gospodnetic [pdf] (refcardz.dzone.com) archived
Official website: hbase.apache.org
See also: Apache

Hibernate W

Official website: hibernate.org
See also: Java

.htaccess W

See also: Apache, mod_rewrite

HTML - HyperText Markup Language W

Official website: http://www.w3.org/html/

HTTP - Hypertext Transfer Protocol W

Illustrator W

Image W

Cheat sheets:
  • online saved archived Image Formats Cheat Sheet – All you need to know about JPEGs, TIFFS, GIFs, PNGs & BMPs by Jamie Spencer [html, jpg] ()

InDesign W

Cheat sheets:
  • online saved InDesign CC 2015 by Ton Haarmans [pdf] (wideopenwindows.be)

Inkscape W

Cheat sheets:
  • online archived Inkscape keys (keyboard) and mouse reference [html] (inkscape.org)
Official website: inkscape.org

IntelliJ IDEA W

Official website: jetbrains.com/idea/
See also: Java

Internet Explorer W

Official website: http://microsoft.com/ie/
See also: Firefox

IRC - Internet Relay Chat W

Cheat sheets:
  • online saved archived wikiHow:IRC Cheat Sheet [html, pdf] (wikihow.com)

Java W

Cheat sheets:
  • online archived Core Java by Cay S. Horstmann [pdf] (refcardz.dzone.com)
  • online archived Java 1.5 Cheat Sheet [html] (petefreitag.com)
  • saved JAVA Language Quick Reference by Jialong He [pdf] (tiger.la.asu.edu)
  • online saved JAVA Programming Guide - Quick Reference by Pinnacle Software Solutions [pdf] (digilife.be)
  • online saved SAX 2.0 for Java (Core) by deepx [pdf] (digilife.be)
  • online saved SAX 2.0 for Java (Extensions and Helpers) by deepx [pdf] (digilife.be)
  • saved Java Quick Reference [pdf] (digilife.be)
  • online archived Java cheat sheet for C++ programmers by Erich Kaltofen [html] (www4.ncsu.edu/%7Ekaltofen/)
  • online archived Core Java Concurrency by Alex Miller [pdf] (refcardz.dzone.com)
  • online archived Using XML in Java by Masoud Kalali [pdf] (refcardz.dzone.com)
  • online archived Getting Started with Java GUI Development by James Sugrue [pdf] (refcardz.dzone.com)
Documentation, Books, Articles:
  • online archived Java SE 6 Documentation [html] (oracle.com)

Java EE - Java Platform, Enterprise Edition W

Cheat sheets:
  • online archived Getting Started with Java EE Security by Masoud Kalali [pdf] (refcardz.dzone.com)
  • online archived Contexts and Dependency Injection for the Java EE Platform by Norman Richards [pdf] (refcardz.dzone.com)
  • online archived Java Enterprise Edition 6: The Most Elegant Enterprise Java Yet by Andrew Lee Rubinger [pdf] (refcardz.dzone.com)
Documentation, Books, Articles:
  • online JavaTM Platform, Enterprise Edition 6 API Specification [html] (oracle.com)
See also: Java

Java Persistence API (JPA) W

See also: Java

JavaFX W

Official website: javafx.com
See also: Java, Silverlight

JavaScript W

JavaServer Faces (JSF) W

See also: Java, RichFaces, Seam

JBoss W

See also: Java

JDBC - Java Database Connectivity W

See also: Java

Jetty W

Cheat sheets:
  • online archived Jetty: A Lightweight, Open-Source Web Server and Servlet Container by Jos Dirksen [pdf] (refcardz.dzone.com)

jQuery W

JSP - JavaServer Pages W

See also: Java

JUnit W

Official website: junit.org
See also: Java

Julia W

Cheat sheets:
  • online saved online saved Julia Reference Card by John Lynch [pdf, odt] (github.com)
  • online saved Julia Colors by John Lynch [odt] (github.com)
Official website: julialang.org

Languages W

LaTeX W

See also: MathML, TeX, LaTeX-Suite

LaTeX-Suite (aka Vim-LaTeX)

Official website: vim-latex.sourceforge.net/
See also: LaTeX, Vim

less W

Linux W

Cheat sheets:
  • online archived Linux Command Line Tips [html] (pixelbeat.org)
  • online archived Linux Shortcuts and Commands [html] (linuxshortcuts.shtml)
  • saved Unix/Linux Command Cheat Sheet by Jacob [pdf] (fosswire.net)
  • online saved The One Page Linux Manual by Squadron [pdf] (homepage.powerup.com.au/~squadron/, digilife.be)
  • saved Linux Administrator's Quick Reference by Jialong He [pdf] (tiger.la.asu.edu)
  • saved Linux System Calls Quick Reference by Jialong He [pdf] (tiger.la.asu.edu)
  • online saved Linux Security Quick Reference by Dave Wreski & Benjamin Thomas [pdf] (tiger.la.asu.edu, digilife.be)
  • online archived screen Quick Reference [html] (aperiodic.net)
  • saved Command Line Interface Commands [jpg]
  • saved A very brief guide to Linux by C. J. Rennie [html] (www.physics.usyd.edu.au/~rennie/)
  • online archived Linux Tutorial - Cheat Sheet by Ryan Chadwick [html] (ryanstutorials.net)

Lisp W

Cheat sheets:
  • online saved saved saved saved saved saved saved Common Lisp Quick Reference by Bert Burgemeister [pdf: a4 booklet all, a4 booklet four, a4 consec, letter booklet all, letter booklet four, letter consec; tar.gz (LaTeX source)] (clqr.boundp.org)

Logic W

Lotus Domino W

Lua W

Official website: lua.org

Lucene W

Cheat sheets:
  • online archived Understanding Lucene (Powering Better Search Results) by Erik Hatcher [pdf] (refcardz.dzone.com)
Documentation, Books, Articles:
  • online archived Official Documentation [html] (lucene.apache.org)
Official website: lucene.apache.org
See also: Apache, Apache Solr

Mac, Macintosh W

  • online saved Mac-friendly Terminal Cheat Sheet [pdf] (alexyoung.org)
See also: Mac OS X

Mac OS X W

Official website: apple.com/macosx/

Machine LearningW

Cheat sheets:
  • online archived Big Data Machine Learning: Patterns for Predictive Analytics by Ricky Ho [pdf] (refcardz.dzone.com)

Maple W

See also: Math, Mathematica, MATLAB, Maxima

Markdown W

Math, Mathematics W

Cheat sheets:
  • online archived Mathematical Symbols [html] (techtarget.com)
  • online online saved archived Table of Laplace Transforms W by Paul Dawkins [pdf, html] (tutorial.math.lamar.edu)
  • online saved MATH CHEAT SHEET by Cliff Notes [pdf] (onestopgre.com)
  • saved MATH 1401 SPRING 2000 CHEAT SHEET FINAL by JAN MANDEL [pdf]
  • online saved Mathematics Cheat Sheet for Population Biology by James Holland Jones [pdf] (stanford.edu/~jhj1/)
  • online saved saved Useful Inequalities W by Laszlo Kozma [pdf, ps.gz] (lkozma.net)

Mathematica W

MathML - Mathematical Markup Language W

Official website: w3.org/Math/
See also: XHTML, XML, XML Schema, XPath XSL, XSLT

Mathomatic W

Official website: www.mathomatic.org

MATLAB W

See also: Maple, Math, Mathematica, Maxima

Maven (Apache Maven) W

Official website: maven.apache.org
See also: Apache, Java

Maxima W

Official website: maxima.sourceforge.net

MFC - Microsoft Foundation Class Library W

Microformats W

Official website: http://microformats.org/

Microsoft Excel - Microsoft Office Excel and VBA - Visual Basic for Applications W

Microsoft Office W

Cheat sheets:
  • online online saved saved Quick Reference for Math in Microsoft Office by Hugues Hoppe [pdf, docx] (research.microsoft.com/~hoppe/)
Official website: www.office.com

Microsoft Project (MSP) W

Microsoft Visual Studio W

MIME - Multipurpose Internet Mail Extensions W

mod_perl W

Official website: http://perl.apache.org/
See also: Apache, Perl

mod_rewrite W

See also: Apache, htaccess

MooTools W

Official website: http://mootools.net/
See also: AJAX, JavaScript

Mozilla Thunderbird W

Official website: mozilla.com/thunderbird/

Mule W

Cheat sheets:
  • online archived Core Mule by Jos Dirksen [pdf] (refcardz.dzone.com)
Official website: mulesoft.org
See also: ServiceMix

Music W

See also: Guitar

MVVM (Model View ViewModel) W

Cheat sheets:
  • online archived The MVVM Design Pattern: A Formula for Elegant, Maintainable Mobile Apps by Colin Melia [pdf] (refcardz.dzone.com)

MySQL W

Cheat sheets:
  • online saved saved archived MySQL Cheat Sheet by Dave Child [html, png, pdf] (cheatography.com)
  • online saved saved MySQL cheatsheets by Bob Stein, VisiBone [two wall posters 43cmx61cm or 61cmx87cm, jpg] (visibone.com)
  • online archived MySQL Cheat Sheet [html] (nparikh.org)
  • saved MySQL Database Quick Reference by DeepX [pdf] (deepX.com)
  • online archived Essential MySQL by W. Jason Gilmore [pdf] (refcardz.dzone.com)
  • online archived Database Partitioning with MySQL: Improving Performance, Availability, and Manageability by Narayana Maruvada [pdf] (refcardz.dzone.com)
Official website: mysql.com

NanoW

Cheat sheets:
  • saved Nano Cheat Sheet by Hans Van Slooten [pdf]
Official website: nano-editor.org

NetBeans W

Cheat sheets:
  • online NetBeans Platform 7.0: A Framework for Building Pluggable Enterprise Applications by Heiko Böck, Anton Epple, Miloš Šilhánek, Andreas Stefik, Geertjan Wielenga, and Tom Wheeler [pdf] (refcardz.dzone.com)
  • online Essential NetBeans Platform by Heiko Böck, Anton Epple, Miloš Šilhánek, Andreas Stefik, Geertjan Wielenga, and Tom Wheeler [pdf] (refcardz.dzone.com)
  • online NetBeans Java Editor by Geertjan Wielenga and Patrick Keegan [pdf] (refcardz.dzone.com)
Documentation, Books, Articles:
  • online NetBeans Tutorials and Articles [html] (netbeans.org)
Official website: netbeans.org
See also: Eclipse, Java

Node.js W

Cheat sheets:
  • online Node.js: Building for Scalability with Server-Side JavaScript by Todd Eichel [pdf] (refcardz.dzone.com)
Official website: nodejs.org
See also: JavaScript

Notepad++ W

Cheat sheets:
  • online saved Notepad++ cheat sheet by Andres Gomez [pdf] (docs.google.com)
Official website: notepad-plus-plus.org

NMAP W

Cheat sheet:
  • online online saved saved NMAP quick reference by Alejandro Ramos [pdf (eng), pdf (esp)] (SecurityByDefault.com)
Official website: nmap.org

Numbers W

Objective-C W

See also: C, C#, C++, Cocoa, Mac, Mac OS X

Open Source Media Framework (OSMF) W

Official website: http://www.osmf.org/

OpenCL W

OpenCV W

Official website: http://opencv.org/

OpenMP (Open Multi-Processing) W

Official website: http://openmp.org/
See also: C, C++, Fortran

OpenSearch W

Official website: http://www.opensearch.org/

OpenSCAD W

Cheat sheets:
  • online archived OpenSCAD CheatSheet [html] (openscad.org)
Official website: http://www.openscad.org/

OpenSSH - OpenBSD Secure Shell W

Official website: http://www.openssh.org/

OpenVZ - Open operating system-level virtualization W

Official website: http://openvz.org/

Oracle W

Official website: oracle.com
See also: DB2, MySQL, PostgreSQL, SQL, SQLite, Sybase

org-mode W

Official website: orgmode.org

Perforce W

Official website: perforce.com

Perl W

Official website: http://www.perl.org/
See also: Catalyst, mod_perl

Photoshop W

PHP W

Official website: http://php.net/

PHP Frameworks W

See also: PHP

Physics W

Play Framework W

Cheat sheets:
  • online archived Play! Framework Cheat Sheet [html] (playframework.org)
Documentation, Books, Articles:
  • online archived Official Documentation: Manual, tutorials & references [html] (playframework.org)

PostgreSQL W

Official website: http://www.postgresql.org/
See also: DB2, MySQL, Oracle, SQL, SQLite, Sybase

Probability Theory W

See also: Math

Prototype W

Official website: http://prototypejs.org/
See also: AJAX, JavaScript

Python W

Official website: http://www.python.org/
See also: Django

Qt W, Qt Creator W

Official website: qt.nokia.com
See also: C++

Quicksilver W

Official website: blacktree.com

R W

Official website: r-project.org
See also: Statistics

Rebol W

Cheat sheets:
  • online archived REBOL Quick Reference Card by REBOL Technologies [html] (rebol.com)
  • online saved Rebol examples by Nick Antonaccio [txt] (re-bol.com)
Official website: www.rebol.com

Red Hat W

Official website: redhat.com
See also: Fedora, Linux, rpm

Regular Expressions W

REST (Representational State Transfer) W

Cheat sheets:
  • online archived REST: Foundations of RESTful Architecture by Brian Sletten [pdf] (refcardz.dzone.com)

RichFaces W

Cheat sheets:
  • online archived RichFaces 4.0: A Next Generation JSF Framework by Nick Belaevski, Ilya Shailkovsky, Max Katz, and Jay Balunas [pdf] (refcardz.dzone.com)
  • online archived JBoss RichFaces by Nick Belaevski, Ilya Shaikovsky, Jay Balunas, and Max Katz [pdf] (refcardz.dzone.com)
Official website: jboss.org/richfaces/

rpm - Red Hat Package Manager W

Cheat sheets:
  • online archived rpm command cheat sheet for Linux [html] (cyberciti.biz)
  • online archived RPM Cheat Sheet [html] (michal.guerquin.com)
Official website: http://www.rpm.org/
See also: Linux, Fedora, Red Hat

Ruby W

Cheat sheets:
  • online archived Ruby QuickRef [html] (zenspider.com)
  • saved saved saved Ruby Cheatsheet [pdf, png:page1, png:page2] (cenophobie.com)
  • online saved Ruby Language QuickRef by Ryan Davis with Austin Ziegler [pdf] (digilife.be)
  • online saved Ruby Library QuickRef by Ryan Davis with Austin Ziegler [pdf] (digilife.be)
  • online archived Essential Ruby by Melchior Brislinger and Peter Cooper [pdf] (refcardz.dzone.com)
Official website: http://www.ruby-lang.org/
See also: Ruby on Rails

Ruby on Rails W

Cheat sheets:
  • online saved saved Ruby on Rails Cheat Sheet by Dave Child [png, pdf] (addedbytes.com)
  • online saved RubyOnRails-Cheatsheet by Blaine Kendall [pdf] (blainekendall.com)
  • online saved Ruby on Rails cheat sheet guide [pdf] (slash7.com)
  • online saved What Goes Where a Ruby on Rails cheat sheet by Amy Hoy [pdf] (slash7.com)
  • online archived Flexible Rails: Flex 3 on Rails 2 by Peter Armstrong [pdf] (refcardz.dzone.com)
Official website: rubyonrails.org
See also: Ruby

Sandcastle W

Cheat sheets:
  • online saved Sandcastle and Sandcastle Help File Builder by Michael Sorens [pdf] (red-gate.com)
Documentation, Books, Articles:
  • online saved Taming Sandcastle: A .NET Programmer's Guide to Documenting Your Code by Michael Sorens [pdf] (red-gate.com)
Official websites:
See also: .NET

Scala W

Cheat sheets:
  • saved Scala Cheat Sheet [pdf] (geekontheloose.com)
Official website: scala-lang.org

Scalability W and High Availability W

See also: Cloud Computing

Science W

Screen - Screen VT100/ANSI Terminal Emulator W

Seam W

Official website: seamframework.org

Sed - Stream EDitor W

Selenium W

Cheat sheets:
  • online archived Getting Started with Selenium by Frank Cohen [pdf] (refcardz.dzone.com)
  • online saved saved archived XPath, CSS, DOM and Selenium: The Rosetta Stone by Michael Sorens [pdf: Locators table, Locators groups] (simple-talk.com)
Official website: seleniumhq.org
See also: CSS, DOM, XPath

Sendmail W

Official website: http://www.sendmail.org/

ServiceMix (Apache ServiceMix) W

Cheat sheets:
  • online archived ServiceMix 4.2: The Apache Open Source ESB by Jos Dirksen [pdf] (refcardz.dzone.com)
Official website: servicemix.apache.org
See also: Apache, Mule

Shell script W W

Silverlight W

See also: JavaFX, Flash, Flex

Social media W

Cheat sheets:
  • online saved archived 2016 Social Media Image Sizes Cheat Sheet by Jamie Spencer [html, jpg] (makeawebsitehub.com)

Solaris W

Official website: sun.com/solaris/
See also: Unix

Spring Framework W

Cheat sheets:
  • online archived Spring Web Flow W by Craig Walls [pdf] (refcardz.dzone.com)
  • online archived Spring Annotations by Craig Walls [pdf] (refcardz.dzone.com)
  • online archived Getting Started with Spring-DM by Craig Walls [pdf] (refcardz.dzone.com)
  • online archived Flex & Spring Integration by Jon Rose and James Ward [pdf] (refcardz.dzone.com)
  • online archived Flex 4 & Spring 3 Integration by Jon Rose and James Ward [pdf] (refcardz.dzone.com)
  • online archived Expression-Based Authorization with Spring Security 3 by Willie Wheeler [pdf] (refcardz.dzone.com)
  • online archived Eclipse Tools for Spring: The SpringSource Tool Suite by Gordon Dickens, Chariot Solutions [pdf] (refcardz.dzone.com)
Official website: springsource.org
See also: Flex, Java, Spring Roo

Spring Roo W

Cheat sheets:
  • online archived Spring Roo: Open-Source Rapid Application Development for Java by Stefan Schmidt [pdf] (refcardz.dzone.com)
Official website: www.springsource.org/roo
See also: Java, Spring Framework

SQL - Structured Query Language W

SQL Server W

SQLite W

Cheat sheets:
  • online saved archived Syntax Diagrams For SQLite [html] (sqlite.org)
Documentation, Books, Articles:
  • online archived Categorical Index Of SQLite Documents [html] (sqlite.org)
  • online archived SQLite In 5 Minutes Or Less [html] (sqlite.org)
Official website: http://www.sqlite.org/

SSI - Server Side Includes (mod_include) W

See also: Apache

Statistics and Data Analysis W

See also: Math, R

SVG - Scalable Vector Graphics W

Official website: w3.org/Graphics/SVG/

SVN (Apache Subversion) - version control system W

See also: Bazaar, CVS, Git

Sybase W

Symfony W

See also: PHP

Tapestry W

Official website: tapestry.apache.org
See also: Apache, Design Pattern, Java

Tcl/Tk - Tool Command Language W

Official website: http://www.tcl.tk/

TCP - Transmission Control Protocol W

TeX W

Official website: http://www.tug.org/
See also: LaTeX, MathML

TLDs - Top-level domains W

TLS - Transport Layer Security; SSL - Secure Sockets Layer W

Trigonometry, Trig W

See also: Math

TTCN-3 (Testing and Test Control Notation version 3) W

Cheat sheets:
  • online saved Quick Reference Card for TTCN-3 by Axel Rennoch, Claude Desroches, Theo Vassiliou and Ina Schieferdecker [pdf] (blukaktus.com)
Documentation, Books, Articles:
  • online TTCN-3 Standard Suite by ETSI [pdf] (ttcn-3.org)
Official website: ttcn-3.org

Twitter W

Official website: twitter.com

Ubuntu W

Official website: http://www.ubuntu.com/
See also: Linux, Unix

UML - Unified Modeling Language W

Unicode W

Official website: http://www.unicode.org/
See also: Characters

Unix W

See also: chmod, Debian, Linux, Solaris, Ubuntu, Vi, Vim

Unreal Engine W

Cheat sheets:
  • online saved UnrealScript (UScript) Cheat Sheet [png] (udn.epicgames.com)
Official website: unrealengine.com

Vaadin W

Cheat sheets:
  • online Vaadin: A Familiar Way to Build Web Apps with Java by Marko Grönroos [pdf zip] (refcardz.dzone.com)
  • online Getting Started with Vaadin by Marko Grönroos [pdf zip] (refcardz.dzone.com)
  • online Mastering Portal UI Development With Vaadin and Liferay by Sami Ekblad, James Falkner [pdf] (refcardz.dzone.com)
Documentation, Books, Articles, Video:
  • online saved Book of Vaadin: Vaadin 6.4 by Marko Grönroos [pdf] (vaadin.com)
  • online Official step by step video tutorial (youtube.com)
Official website: vaadin.com

VBScript - Visual Basic Scripting Edition W

VxCFS, VCS - Veritas Cluster File System W

Vi W

See also: Vim

Vim - Vi IMproved W

Official website: http://www.vim.org/
See also: Vi, LaTeX-Suite

Virtualization W

See also: VMware

Visual Basic W W

See also: .NET, ASP, C#, Visual Basic

VMware (VI) W

Official website: vmware.com
See also: Virtualization

VoiceXML - Voice Markup Language W

Cheat sheet:
  • online saved VoiceXML: elements - attributes [pdf] (zvon.org)
Official website: http://www.w3.org/Voice/
See also: XHTML, XML, XML Schema, XPath XSL, XSLT

vvvv W

Cheat sheets:
  • online saved don't panic - the nodes guide to vvvv [pdf] (vvvv.org)
Documentation, Books, Articles:
  • online Documentation [html] (vvvv.org)
  • online saved Linear Spread: illustrated guide to vvvv for newbies in computer arts [pdf eng] (vvvv.org)
  • online saved Linear Spread: иллюстрированное руководство по vvvv для новичков в интерактивных искусствах [pdf rus] (vvvv.org)
Official website: http://vvvv.org/

WebGL (Web-based Graphics Library) W

Cheat sheets:
  • online saved Official WebGL 1.0 API Quick Reference Card by Khronos Group & Miller & Mattson [pdf] (khronos.org/webgl/ & millermattson.com)
  • online saved saved WebGL Cheat Sheet v0.2 by Jacob Seidelin [htm, pdf] (nihilogic.dk)
Documentation, Books, Articles:
  • online WebGL Specification Version 1.0 by Khronos Group [html] (khronos.org)
  • online WebGL Public Wiki by Khronos Group [html] (khronos.org)
  • online WebGL articles by Mozilla [html] (mozilla.org)
  • online The series of lessons as a way of teaching myself WebGL by Giles [html] (learningwebgl.com)

WebMatrix W

Cheat sheet:
  • online WebMatrix: Advanced Web Development Made Simple by James Sugrue [pdf] (refcardz.dzone.com)
Documentation, Books, Articles:
  • online Learn WebMatrix [html] (microsoft.com)
See also: ASP

Wicket (Apache Wicket) W

Cheat sheets:
  • online Getting Started with Apache Wicket by Andrew Lombardi [pdf] (refcardz.dzone.com)
Official website: wicket.apache.org
See also: Apache

Wikipedia W

Official website: http://www.wikipedia.org/

Windows W

Windows Communication Foundation (WCF) W

Cheat sheet:
  • online Getting Started with Windows Communication Foundation 4.0 by Scott Seely [pdf] (refcardz.dzone.com)
See also: Windows, .NET

Windows Presentation Foundation (WPF) W

Cheat sheets:
  • online saved WPF Binding CheatSheet version 1.1 by NBD Tech [pdf] (nbdtech.com)
  • online saved XAML for WPF Cheat Sheet by Blueboxes.co.uk [pdf] (blueboxes.co.uk)
  • online Getting Started with Windows Presentation Foundation by Christopher Bennage and Rob Eisenberg [pdf] (refcardz.dzone.com)
  • online WPF Controls - A Visual Quick Start by Josh Fischer [html] (codeproject.com)
  • online WPF Wonders: An Alphabetical Compendium of WPF Controls by Rod Stephens [html] (devx.com)
See also: Windows, .NET

Windows PowerShell W

Cheat sheet:
  • online saved Windows PowerShell 2 | Cheat Sheet by Markus Widl [pdf] (de - galileocomputing.de)
  • online WindowsPowerShell by Bruce Payette [pdf] (refcardz.dzone.com)
Official website: microsoft.com/powershell
See also: Windows

WordPress W

Official website: http://wordpress.org/

Xcode W

Cheat sheets:
  • online saved archived Xcode Cheat Sheet by Tobias Günther [pdf] (git-tower.com)
Official website: developer.apple.com/xcode/
See also: C, C++, Objective-C, OS X

XHTML - eXtensible HyperText Markup Language W

Official website: http://www.w3.org/MarkUp/

XML - eXtensible Markup Language W

Official website: http://www.w3.org/XML/

XML Schema W

See also: MathML, XHTML, XML, XPath, XSL, XSLT

XPath W

Cheat sheets:
  • online saved XSLT 1.0 and XPath 1.0 Quick Reference [pdf] (mulberrytech.com)
  • saved XPath by DeepX Ltd [pdf] (refcards.com)
  • online saved saved XPath, CSS, DOM and Selenium: The Rosetta Stone by Michael Sorens [pdf: Locators table, Locators groups] (simple-talk.com)

XSL - Extensible Stylesheet Language W

See also: MathML, XHTML, XML, XML Schema, XPath, XSLT

XSLT - Extensible Stylesheet Language Transformations W

See also: MathML, XHTML, XML, XML Schema, XPath, XSL

XSS - Cross Site Scripting W

Zen Coding W

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