Wowzers, we've got 671 cheat sheets hereabouts.
- a2ps
- a2ps_page_size
- ack
- acts_as_authenticated
- acts_as_state_machine
- acts_as_taggable_on
- address
- administrateme
- agile
- alias
- amazon_conditions
- ambition
- android
- ansi
- apache
- apache2
- apache_regex
- aptitude
- ar_i18n
- arts
- as3_formulas
- ascii
- asdf
- assert
- assert_block
- assert_difference
- assert_dom_equal
- assert_dom_not_equal
- assert_equal
- assert_generates
- assert_have_selector
- assert_in_delta
- assert_instance_of
- assertions
- assert_kind_of
- assert_match
- assert_nil
- assert_no_difference
- assert_no_match
- assert_no_tag
- assert_not_equal
- assert_nothing_raised
- assert_nothing_thrown
- assert_not_nil
- assert_not_same
- assert_operator
- assert_raise
- assert_raises
- assert_recognizes
- assert_redirected_to
- assert_respond_to
- assert_response
- assert_routing
- assert_same
- assert_select
- assert_send
- assert_tag
- assert_template
- assert_throws
- assert_valid
- association_methods
- asunit
- auth
- authorizenet
- autotest
- averylongnamethatwecanfind
- awesome
- awk
- bacon
- balloon
- bartleby
- bash
- bash_complete
- bashhistory
- bash_scripting
- batman
- belongs_to
- benchmark
- beyondtheurinal
- blender
- blogs
- blow
- blueprint
- bm
- boost_test
- box_chars
- boyfriend
- bpd
- braid
- brcbrcbrc
- bruce_schneier_facts
- bsd_license
- bug
- bzr
- callbacks
- canvas
- capazon
- cap_bare
- cap_deploy
- capistrano
- cascading
- ccrb
- centos_clone
- cformats
- chase
- chat
- cheat
- cheat_el
- cheats
- cheat_sheets_om
- chmod
- chocolate
- chrome
- chuck_norris_facts
- clojure
- cocoaerrors
- coding
- colored
- commands
- compass
- compass_wordpress
- conkeror
- console
- convert_odt_pdf
- cool_options
- cpio
- cron
- cryptsetup
- css3_selectors
- css_at_rules
- css_boxing
- css_media
- css_selectors
- cucumber
- cuke4duke
- curl
- cut
- darcs
- darcs_record
- database_yml
- datamapper
- date
- date_info
- death
- deb_packages
- declarative_authorization
- delete_me
- dell_linux_bios_update
- deprec
- deprec2
- deprecated
- dexagogo_form_validation
- diakonos
- ditto
- ditz
- dollar
- dom
- doom
- dpkg
- dragon_warrior
- du
- dvtm
- ec2
- eclim
- ed
- eg
- elad
- emacs
- emacs_basics
- emacs_psvn
- emacs_slime
- emacs_tips
- enumerable
- environments
- erb
- erl
- erlang
- e_text_editor
- exceptions
- factory_girl
- faker
- fela
- ffi
- ffmpeg
- fidic
- file_test
- final_fantasy_6
- finance
- find
- finder
- firebug
- firefox_lockdown
- firephp
- fish
- flashen
- flickrurl
- fm
- foo
- form_for
- freebsd
- ftp
- gadding
- galician_stew
- gazpacho
- gcc
- gem
- gems
- ghi
- girlfriend
- gist_vim
- git
- git_add_i
- git_buildpackage
- git_collaboration
- gitignore
- gitosis
- git_remote_branch
- git_submodule
- gitsvn
- git_textmate_bundles
- git_usage
- gjs
- globals
- gmail
- gpg
- gpl
- gpl_short
- grails
- greader
- greek_alphabet
- grep
- groovy_sql
- gruff
- gslice
- gsub
- gtd
- guitar
- haiku
- haml
- has_and_belongs_to_many
- hash
- has_many
- has_one
- have_tag
- helm
- help
- heroku
- highline
- history
- hobo
- hobo_template
- hot_chocolate
- how_to_make_english_muffins
- how_to_make_flour_tortillas
- hpricot
- htaccess4
- html
- http
- http_status_codes
- husband
- iana_port_list
- iconv
- illinois
- il_screen
- install_cucumber_gem
- install_rspec_rails
- install_rspec_rails114
- into_the_code
- io
- iomodes
- iphone
- ipod_touch
- irb
- irc
- java
- jedit_ruby_editor_plugin
- jquery
- karma
- kbkbkkbkbkbkbkbkkb
- kde_session
- kenzu_ryu
- kernel_update
- kill
- konami_code
- ksdhfv
- leopard
- less
- lesscss
- lgpl
- life
- lighthouse
- link_to_remote
- linux
- linux_ext_monitor
- linux_history
- linux_network_boot
- linux_nic
- ln
- logging
- lorem
- lorem_ipsum
- lorum
- lose_weight
- lotus_domino_url
- ls
- lsof
- lucene_query_syntax
- lvm
- mac_gem_install_mysql
- mac_glyphs
- mac_shortcuts
- magit
- makaveli
- markaby
- markdown
- marsmission
- matchy
- mate
- matz_bot
- mechanize
- merb
- mercurial
- metaprogramming
- microformats_helper
- migrations
- military_alphabet
- minitest
- misc
- mit_license
- mktime
- mocha
- mod_rewrite
- mogitblame
- moneta
- mount_dd_image
- mount_lvm
- mplayer
- mustache
- mutt_gmail
- mysql
- mysql_delete
- mysql_insert
- mysql_move
- mysql_select
- mysql_update
- named_scope
- nanoc
- netbeans
- netstat
- nginx
- nibblenuts
- nils
- nonsense
- notify
- nslog
- number_lines
- obj_c
- objc_formats
- odbc
- okay
- omlinux
- oneline
- oop
- opensc
- open_solaris
- openssl
- oracle
- orgmode
- orgmode_agenda_views
- orgmode_archiving
- orgmode_cal_diary
- orgmode_completion
- orgmode_dynamic_blocks
- orgmode_exporting_publishing
- orgmode_filter_and_sparse_trees
- orgmode_getting_started
- orgmode_latex_mode
- orgmode_links
- orgmode_motion
- orgmode_structure_editing
- orgmode_tables
- orgmode_tags
- orgmode_timestamps
- orgmode_todo_and_checkboxes
- orgmode_visibility_cycling
- osxbash
- osx_emacskeys
- pack
- passenger
- password
- paste
- pastie_vim
- perl
- perldoc
- perl_replace
- permalink_fu
- permissions
- phonetic
- piston
- plugins
- poker
- police
- port
- postgis
- postgres
- predefined_variables
- prim
- prototype
- python_doctest
- python_web
- queriac
- r4fy
- rack
- rack_profiler
- radrails
- radrails_rhtml
- radrails_ruby
- rails
- rails_checklist
- rails_configuration
- rails_console
- rails_conventions
- rails_data_types
- rails_date_formats
- rails_edge
- rails_environment
- rails_helpers
- rails_keywords
- rails_migrations
- rails_plugin_creation
- rails_plugin_creation_detailed_example
- rails_rake_tasks
- rails_relationships
- rails_request_object
- rails_reserved_words
- rails_routes
- rails_svn
- rails_tasks
- rails_tips
- rails_to_s
- rails_vim
- raise_rescue
- rake
- ratpoison
- rcov
- rdebug
- rdf
- rdiff_backup_restore
- rdoc
- readline
- readme
- recursive
- redirect
- regelwerk
- regex
- regex_lib
- regexp
- remarkable
- remind_commands
- resource_controller
- rest
- rgit
- rinari
- rjs
- rkj
- rm
- robotlegs
- roo
- rope
- rpm
- rspec
- rspec_formats
- rspec_on_rails_matchers
- rspec_should
- rspec_shoulda
- rsync
- rtorrent
- ruby
- ruby1line
- ruby_about_com_example
- ruby_comments
- rubydebug
- ruby_globals
- rubyio
- ruby_kernel_test
- ruby_keywords
- ruby_license
- ruby_main
- ruby_mode_strings
- ruby_naming
- ruby_one_liners
- ruby_percent
- ruby_predef
- rubyprof
- ruby_tools
- runescape
- rvm
- rzyncbackup
- s3sync
- saf
- sake
- sass
- scaffold_resource
- scala
- scili
- scp
- scrapi
- screen
- sed
- sed_delete
- sed_numbering
- sed_print
- sed_spacing
- selenium
- selenium_on_rails
- sem
- semweb
- sen_test_assertions
- seo
- sequel
- servers
- seven_dwarves
- sex
- sh
- sheets
- shoes
- shoulda
- simpletest
- sinatra
- site
- sketch
- slicehost
- smalltalk
- sness
- solaris_smf
- sort
- spc
- sprintf
- sql
- sql_alter
- sqld4r
- sqlite
- sqlite_console
- sre
- ssh
- sshkeys
- status_codes
- sti
- strftime
- string
- string_template
- string_unpack
- strptime
- sunspot
- svn
- svnmerge
- swfobject
- symlink
- syntax
- tar
- taxes
- tempfile
- terminal
- terminal_escapes
- tes
- test
- test1001
- test2
- test3
- teste
- testing
- test_spec
- test_spec_rails
- testtesttest
- test_unit
- textadept
- textile
- textmate
- textmate_rails
- textmate_ruby
- textorize
- tgd
- the_irs
- this
- thor
- tidy
- tld
- todoist
- toggle_fold_fix
- to_i
- tung
- tweet_im
- twitterrific
- ubyubyuby
- undo_tree
- unicode
- unix
- unpack
- unzip
- uri
- user
- validations
- vi
- vim
- vim2
- vimdiff
- vim_folding
- vim_goodies
- vs2005
- watir
- watir_ie
- webrat
- websphere
- wife
- win32_sc
- wmii3
- word
- wordpress
- wxd
- xargs
- xcode
- xmonad
- xmpp
- xpath
- xpath_result_type
- xslt
- yaml
- yard
- yas_ruby_snippet
- yboss
- yeah
- yui
- yuiconnect
- yuidom
- yuievent
- yuifonts
- yui_fonts
- yuiglobal
- yuigrids
- yui_grids
- yuilang
- yum_upgrade
- zeiten
- zentest
- zsh
- zsh_array
- zsh_bang
- zsh_case
- zsh_ftp
- zsh_glob
- zsh_if
- zsh_keys
- zsh_loop
- zsh_modifiers
- zsh_param
- zsh_process
- zsh_ranges
- zsh_rename
- zsh_startup
- ztd
- zz_reuse_00
- zzz000reuse
- zzz001reuse
- zzz002delete
- zz_z003delete
- zzz_reuse_00
- zzz_reuse_01
- zzz_reuse_02
Are we missing a cheat sheet? Why don't you do the whole world a favor and add it yourself!
