cheat sheets.

⌘ = command
⌃ = control
⌥ = option
⇧ = shift

Ruby keyboard shortcuts

Run current line         ⇧ ⌃ E
Run current document     ⌘ R
Run single unit test     ⌘ ⇧ R

NAVIGATING:
 ⌘ ^ T	Find  ⌘
 ⌘ T		Find file in project by name (type name or acronym for file)
 ⌘ ⇧ T		Go to Symbol
 ⌘ 1 / 2 	Switch to that number tab in Text
 ⌘ F2		Toggle Bookmark
F2			Cycle Bookmarks
F1			Toggle Fold

SELECTING:
 ^ W		Select current word
 ⌘ ⇧ L		Select current line
 ⌘ ⇧ B		Select enclosed braces
 ⌘ ^ B		Select current scope

EDITING:
Escape		Tab completion of variables / strings
 ⌘ Enter	Go to end of line and return
 ⌘ ⇧ V		Paste previous item in clipboard history
 ⌘ ^ ⌥ V	Select from Clipboard
 ⌘ ^ A		Edit Multiple Lines
 ^ U		Upcase
 ^ ⇧ U		Downcase
 ^ ⌥ U		TitleCase
 ^ ⌥ Q		Unwrap line, remove newlines
 ^ K		Kill all text to end of line
 ^ Y		Yank back all text from kill
 ^ D		Delete character (not backspace)

SEARCH & REPLACE:
 ^ S		Live Search / Find Next
 ^ ⇧ S		Find Previous
 ⌘ F		Find
 ⌘ ⇧ F		Find in Project

COMMENTING, QUOTING, AND INDENTING:
 ⌘ /		Comment Toggle
 ^ "		Single/Double Quotes Toggle
 ⌘ ]		Indent Selection
 ⌘ [		Un-indent Selection
 ⌘ ⌥ [		Reindent

CTAGS:
 ^ ]		Lookup Definition
  ⌘ ^ B		Source Browser

WEB:
  ⌘ ^ ⌥ P	Web Preview
  ⌘ ^ ⇧ W 	Update missing tags for all lines
 ^ ⇧ <		Create tags	(HTML)
 ^ Enter	<br/>
 ^ ⇧ L		Wrap selection as Link
 doctype-tabDocument Type Section
 head-tab
 body-tab
 table-tab
  ⌘-&		Menu for URL

COMMAND LINE:
 find {app,lib} -name '*.rb' -o -name '*.rhtml' -print0 | xargs -0 mate

RUBY:
 ^H			Documentation for word
 ^{			Toggle do/end {/}
 ^|			Install Plugin, Dump DB, etc. Menu
 %			Eval as Ruby (not in output)
  ⌘ R		Run Ruby Script
 ^ ⇧ E		Execute Line as Ruby
 ^ ⇧ ⌘ E	Execute all lines marked with '# =>' as Ruby
 R-tab		attr_reader
 W-tab		attr_writer
 RW-tab 	attr_accessor 
 def-tab	define method
 if-tab
 case-tab
 cla-tab
 mod-tab
 ea-tab
 eawi-tab

RAILS MIGRATIONS:
 mccc-tab	Create Several Columns
 mcol-tab	Column Menu
 mtab-tab	Table Menu

RAILS VIEWS:
 ^ ⇧ V		<%= %> Insert (and Toggle)
 ^ ⇧ H		Create partial from selection

RAILS CONTROLLERS:
 ^ P		params
 ^ J		session
 ⌘ ⇧ ⌥ Down	Jump to Controller helper/test/view/etc.

SUBVERSION:
 ^ ⇧ A		SVN Menu
  1			Add
  2			Remove
  3			Revert
  5			Commit
  6			Blame
  7			Info
  8			Log
  9			View Revision
  0			Stat

SHELL:
 ^R			Run Current Line in the Shell