Updates.

bundler.md

@@ -0,0 +1,42 @@
+title: Bundler
+----
+
+### Gems
+
+    gem 'hello'
+    gem 'hello', group: 'development'
+
+### Github support
+
+    gem 'hello', github: 'rstacruz/hello'
+    gem 'hello', github: 'rstacruz/hello', 'branch: master'
+
+### Grouping
+
+    group :development do
+      gem 'hello'
+    end
+
+### Deployment
+
+    $ bundle install --without=test,development --deployment
+
+### Local gem development
+
+In your Gemfile, define a Git source and a branch:
+
+    gem 'hello', github: 'rstacruz/hello', branch: 'master'
+
+And then:
+
+    $ bundle config --global local.xxx ~/projects/xxx
+
+### Rake Gem tasks
+
+    # Rakefile
+    require 'bundler/gem_tasks'
+
+Terminal:
+
+    $ rake release
+    $ rake build

canvas.md

@@ -30,12 +30,30 @@
 
     c.restore();
 
+### Animation
+
+    onframe: function() {
+      c.clearRect(0, 0, w, h);
+    }
+
 ### Transformations
 
     c.translate(0, 0)
     c.rotate(Math.PI*2/5)
     c.scale(1.0, 1.0)
 
+To rotate along origin:
+
+    c.translate(ox, oy)
+    c.rotate(theta)
+    c.translate(-ox, -oy)
+
+To scale along origin:
+
+    c.translate(-ox*x, -oy*y)
+    c.scale(x, y)
+    c.translate(ox/x, oy/y)
+
 See [MDN: Transformations][xform].
 
 ### Image drawing

command_line.md

@@ -0,0 +1,84 @@
+title: Command line stuff
+---
+
+### List (ls)
+
+Usage:
+
+    ls [options] [paths]
+
+Format:
+
+    -1   One entry per line
+    -l   Long view
+    -o   Long view (without groups)
+    -C   Multicolumn (sorted horizontally)
+    -x   Multicolumn (sorted vertically)
+
+    -F   Add / after directories
+    -G   Color
+
+Options:
+
+    -R   Recurse
+    -a   Include hidden (dotfiles)
+    -A   Include hidden (but not . and ..)
+
+Sorting:
+
+    -r   reverse order
+    -S   sort by size
+    -t   sort by time modified
+    -u   sort by time accessed
+    -U   sort by time created
+    -c   sort by time status was changed
+
+    -h   Human-readable size (3k)
+
+### Find (find)
+
+Usage:
+
+    find <path> <conditions> <actions>
+
+Conditions:
+
+    -name "*.c"
+
+    -user jonathan
+    -nouser
+
+    -type f            # File
+    -type d            # Directory
+    -type l            # Symlink
+
+    -depth 2           # At least 3 levels deep
+    -regex PATTERN
+
+    -newer   file.txt
+    -newerm  file.txt        # modified newer than file.txt
+    -newerX  file.txt        # [c]hange, [m]odified, [B]create
+    -newerXt "1 hour ago"    # [t]imestamp
+
+Condition flow:
+
+    \! -name "*.c"
+    \( x -or y \)
+
+Actions:
+
+    -exec rm {} \;
+    -print
+    -delete
+
+Examples:
+
+    find . -name '*.jpg'
+    find . -name '*.jpg' -exec rm {} \;
+
+    find . -newerBt "24 hours ago"
+
+### Search-and-replace in all files
+
+    perl -p -i -e 's/hello/HELLO/g' **/*
+

man.md

@@ -0,0 +1,12 @@
+### Man paths
+
+     1      General User Commands
+     2      System Calls
+     3      Library Routines (*)
+     4      Special Files and Sockets
+     5      File formats and Conventions
+     6      Games and Fun Stuff
+     7      Miscellaneous Documentation
+     8      System Administration
+     9      Kernel and Programming Style
+     n      Tcl/Tk

rails-models.md

@@ -14,10 +14,6 @@ title: Rails Models
     has_one :through
     has_and_belongs_to_many
 
-    belongs_to :author,
-      class_name: 'User',
-      dependent: :destroy  // delete this
-
 ### Has many
 
     belongs_to :parent, :foreign_key => 'parent_id' class_name: 'Folder'
@@ -39,6 +35,26 @@ title: Rails Models
         'WHERE ps.post_id = #{id} AND ps.person_id = p.id ' +
         'ORDER BY p.first_name'
 
+### belongs to
+
+    belongs_to :author,
+      :dependent      => :destroy    # or :delete
+
+      :class_name     => "Person"
+      :select         => "*"
+      :counter_cache  => true
+      :counter_cache  => :custom_counter
+      :include        => "Book"
+      :readonly       => true
+
+      :conditions     => 'published = true'
+
+      :touch          => true
+      :touch          => :authors_last_updated_at
+
+      :primary_key    => "name"
+      :foreign_key    => "author_name"
+
 ### Many-to-many
 
 If you have a join model:

ronn.md

@@ -0,0 +1,66 @@
+title: Ronn
+----
+
+### Generating
+
+    $ ronn foo.ronn
+
+    $ ronn -r foo.ronn        # Creates foo.7
+
+    $ ronn --html --style toc,80c foo.ronn
+
+    # manual - top center
+    # org    - bottom left
+    $ ronn --manual="MY MANUAL" --organization="RONN 0.7.0"
+
+See [ronn.1](http://rtomayko.github.com/ronn/ronn.1.html).
+
+### Format
+
+    name(1) -- short, single-sentence description
+    =============================================
+
+    ## SYNOPSIS
+
+    `name` [<optional>...] <flags>
+
+    ## DESCRIPTION
+
+    A normal paragraph. This can span multiple lines and is terminated with two
+    or more line endings -- just like Markdown.
+
+    Inline markup for `code`, `user input`, and **strong** are displayed
+    boldface; <variable>, _emphasis_, *emphasis*, are displayed in italics
+    (HTML) or underline (roff).
+
+### Linking
+
+    Manual references like sh(1), markdown(7), roff(7), etc. are hyperlinked in
+    HTML output.
+
+    Link to sections like [STANDARDS][], [SEE ALSO][], or [WITH A DIFFERENT LINK
+    TEXT][#SEE-ALSO].
+
+### Definition lists
+
+      * `-a`, `--argument`=[<value>]:
+        One or more paragraphs describing the argument.
+
+      * You can put whatever you *want* here, really:
+        Nesting and paragraph spacing are respected.
+
+### Frequently used sections
+
+    ## OPTIONS
+    ## SYNTAX
+    ## ENVIRONMENT
+    ## RETURN VALUES
+    ## STANDARDS
+    ## SECURITY CONSIDERATIONS
+    ## BUGS
+    ## HISTORY
+    ## AUTHOR
+    ## COPYRIGHT
+    ## SEE ALSO
+
+See [ronn-format.7](http://rtomayko.github.com/ronn/ronn-format.7.html).

rtorrent.md

@@ -0,0 +1,37 @@
+title: Rtorrent
+---
+
+### Global
+
+    ^q        Quit
+
+### Main view
+
+    bksp      Add torrent
+
+    ->        View download
+
+    1 - 7     Change view
+
+    ^S        Start download
+    ^D        Stop download (or remove stopped)
+    ^K        Close a torrent
+
+    + -       Change priority
+
+### Throttling
+
+    a/s/d    Increase the upload throttle by 1/5/50 KB
+    z/x/c    Decrease the upload throttle by 1/5/50 KB
+    A/S/D    Increase the download throttle by 1/5/50 KB
+    Z/X/C    Decrease the download throttle by 1/5/50 KB
+
+### Download view
+
+    1/2      Adjust max uploads
+    3/4      Adjust min peers
+    5/6      Adjust max peers
+
+### File list view
+
+    space    Change priority

vim.md

@@ -62,9 +62,6 @@ Misc
 
     zz      # Center this line
 
-    `.      # Go to last edit
-    ``      # Go to last jump
-
 Windows
 -------
 
@@ -73,10 +70,18 @@ Windows
 Tags
 ----
 
-      ^]      # Jump to definition
-      g]      # See all definitions
-      ^O ^I   # Back/forward
+    ^]      # Jump to definition
+    g]      # See all definitions
+    ^O ^I   # Back/forward
+
+    :tselect Classname  # Find definitions of Classname
+    :tjump Classname    # Find definitions of Classname (auto-select 1st)
+    :tag Classname      # Jump to first definition of Classname
+
+Marks
+-----
+
+    `^      # Last position of cursor in insert mode
+    `.      # Last change
+    ``      # Last jump
 
-      :tselect Classname  # Find definitions of Classname
-      :tjump Classname    # Find definitions of Classname (auto-select 1st)
-      :tag Classname      # Jump to first definition of Classname