diff --git a/bash.md b/bash.md
index 27d6937e4..194bf1426 100644
--- a/bash.md
+++ b/bash.md
@@ -1,6 +1,11 @@
 title: Bash
 ---
 
+### Clever one liners
+
+    # Search and replace in all files
+    perl -p -i -e "s/from/to/g" **/*.css
+
 ### String substitutions by patterns
 
     STR=/path/to/foo.c
@@ -31,7 +36,7 @@ title: Bash
 
     for i in /etc/rc.*; do
       echo $i
-    end
+    done
 
 ### Reading input
 
diff --git a/canvas.md b/canvas.md
new file mode 100644
index 000000000..55ddd8737
--- /dev/null
+++ b/canvas.md
@@ -0,0 +1,58 @@
+### Getting the context
+
+    var canvas = document.getElementById('c');
+    var c = canvas.getContext("2d");
+
+### Basic drawing
+
+    // x = 10, y = 20, width = 200, height = 100
+    c.fillStyle = '#ff0000';
+    c.strokeStyle = '#ff00ff';
+    c.lineWidth = 5;
+    c.lineCap = 'round';
+    c.fillRect(10, 20, 200, 100);
+    c.stroke();
+
+### Image drawing
+
+    c.drawImage(image, dx, dy, [dw, dh]);
+    /* `image` can be HTML Image/Canvas/Video */
+
+### Colors, styles shadows
+
+    c.strokeStyle = '#ff00ff';
+    c.fillStyle = '#ff00ff';
+
+    c.shadowOffsetX = 0;
+    c.shadowOffsetY = 0;
+    c.shadowOffsetBlur = 3.0;
+    c.shadowColor = 'rgba(0,0,0,0.2)';
+
+### Gradients
+
+    gr = c.createLinearGgadient(x0,y0,x1,y1)
+    gr = c.createRadialGradient(x0,y0,r0,x1,y1,r1)
+    pat = c.createPattern(image, 'repeat-x')
+
+    c.fillStyle = gr
+
+### Drawing
+
+    c.beginPath()
+    c.moveTo(x,y)
+    c.lineTo(x,y)
+    c.quadraticCurveTo(cpx,cpy,x,y)
+    c.bezierCurveTo(cp1x,cp1y,cp2x,cp2y)
+    c.arcTo(...)
+    c.arc(...)
+    c.closePath()
+
+### Text
+
+
+
+### Resources
+
+  * [Canvas Cheatsheet PDF][cc]
+[cc]: http://www.nihilogic.dk/labs/canvas_sheet/HTML5_Canvas_Cheat_Sheet.pdf
+
diff --git a/css.md b/css.md
index dc8ef8ade..0c0b411a6 100644
--- a/css.md
+++ b/css.md
@@ -7,7 +7,10 @@ Webkit extensions
 ### Font smoothing
 
     /* maxvoltar.com/archive/-webkit-font-smoothing */
-    html { -webkit-font-smoothing: antialiased; }
+    * {
+      text-rendering: optimizeLegibility !important;
+      -webkit-font-smoothing: antialiased !important;
+    }
 
 ### Heading kerning pairs and ligature
 
@@ -28,3 +31,37 @@ Webkit extensions
 
     /* http://www.webkit.org/blog/85/introducing-text-stroke/ */
     -webkit-text-stroke: 3px black;
+
+### iOS Scrolling prevention
+
+    document.ontouchstart = (e) ->
+      $pane = $(e.target).closest('.scrollable>div')
+      if $pane.length is 0 or $pane[0].scrollHeight <= $pane.innerHeight()
+        e.preventDefault()
+
+    %ios-scrollable
+      &, >div
+        -webkit-overflow-scrolling: touch
+        overflow: auto
+
+      >div
+        position: absolute
+        top: 0
+        left: 0
+        right: 0
+        bottom: 0
+
+### UIWebView optimizations
+
+    /* http://www.bitsandpix.com/entry/ios-webkit-uiwebview-remove-tapclick-highlightborder-with-css/ */
+
+    * {
+      -webkit-tap-highlight-color: rgba(0,0,0,0);
+      -webkit-user-select: none;                /* disable text select */
+      -webkit-touch-callout: none;              /* disable callout, image save panel (popup) */
+      -webkit-tap-highlight-color: transparent; /* "turn off" link highlight */
+    }
+
+    a:focus {
+      outline:0; // Firefox (remove border on link click)
+    }
diff --git a/fitness.md b/fitness.md
index 01aa5206e..73873d213 100644
--- a/fitness.md
+++ b/fitness.md
@@ -44,3 +44,13 @@ Jennifer Thompson video: http://www.youtube.com/watch?v=34XRmd3a8_0
   intense exercise (>70% VO2 max) primarily utilized carbohydrate.
 
 http://www.exrx.net/Nutrition/Substrates.html
+
+### Deloads on a cut
+
+ - "I would never recommend traditional style deloads on a cut, regardless of 
+ training regimen."
+
+ - "increase the rest day interval between sessions"
+
+https://www.facebook.com/permalink.php?story_fbid=273265046115238&id=116211138487297&comment_id=1262284&offset=0&total_comments=34
+
diff --git a/html.md b/html.md
index 300df70e2..22a6f1187 100644
--- a/html.md
+++ b/html.md
@@ -9,6 +9,11 @@ title: HTML
     <!--[if IE 9 ]>    <html class="ie9"> <![endif]-->
     <!--[if (gt IE 9)|!(IE)]><!--> <html class=""> <!--<![endif]-->
 
+### IE conditionals
+
+    <!--[if IE]>      I'm IE      <![endif]-->
+    <!--[if !IE]> --> Not IE <!-- <![endif]-->
+
 ### iPhone viewport
 
     <meta name="viewport" content="width=320; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;"/>
diff --git a/javascript.md b/javascript.md
new file mode 100644
index 000000000..2ed9e1252
--- /dev/null
+++ b/javascript.md
@@ -0,0 +1,43 @@
+## Web workers
+
+    // Client code
+
+    var worker = new Worker('worker.js');
+    worker.onmessage = function(message) {
+      alert(message.data);
+    });
+    worker.postMessage("");
+
+### Worker code
+
+    // worker.js
+
+    self.onmessage = function(message) {
+      alert(message.data);
+    }
+    self.postMessage("");
+
+### Message data
+
+    // [MessageEvent]
+    bubbles: false
+    cancelBubble: false
+    cancelable: false
+    clipboardData: undefined
+    currentTarget: Worker
+    data: "Hello"
+    defaultPrevented: false
+    eventPhase: 0
+    lastEventId: ""
+    origin: ""
+    ports: Array[0]
+    returnValue: true
+    source: null
+    srcElement: Worker
+    target: Worker
+    timeStamp: 1344821022383
+    type: "message"
+
+
+
+
diff --git a/linux.md b/linux.md
index 635f560dc..152009d2a 100644
--- a/linux.md
+++ b/linux.md
@@ -2,3 +2,8 @@
 
     $ mount -t tmpfs -o size=5G,nr_inodes=5k,mode=700 tmpfs /tmp
 
+### Visudo
+
+    sudo visudo
+
+    username ALL=(ALL) NOPASSWD:/sbin/restart whatever
diff --git a/makefile.md b/makefile.md
index 0343060f3..195b9eccf 100644
--- a/makefile.md
+++ b/makefile.md
@@ -1,17 +1,53 @@
-### Safe assignment
+### Var assignment
 
+    JS_COMPRESSOR := $(uglify)
+
+    # Safe assignment
     prefix ?= /usr/local
 
+### Magic variables
+
+    $^   -- dependencies
+    $@   -- the thing to be built
+
+    $@   -- Rule target
+    $%   -- Target member name ('foo' in 'foo.c' for '%.c')
+    $^   -- Prerequisites (all, without duplication)
+    $+   -- Prerequisites (all, with duplication)
+    $?   -- Prerequisites (new ones)
+    $|   -- Prerequisites (order-only?)
+    $<   -- Prerequisite (first)
+    $*   -- Basename without extension of the target (?)
+
 ### Cool stuff
 
 		gitdir ?= $(shell git --exec-path)
 		gitver ?= $(word 3,$(shell git --version))
 
+### Find files
+
+    FILES = $(shell find images -name "*")
+
+    $(patsubst images/%, assets/%, $(shell find images -name "*"))
+
 ### Substitutions
 
+    # Same
 		$(SOURCE:.cpp=.o)
 		$(patsubst %.cpp, %.c, $(SOURCES))
 
+    $(strip $(string_var))
+
+    $(filter %.less, $(files))
+    $(filter-out %.less, $(files))
+
+### Executing
+
+    JS_COMPRESSOR := $(uglify)
+
+    docs:
+      $(JS_COMPRESSOR) file.js
+
 ### Building files
 
 		%.o: %.c
@@ -22,5 +58,4 @@
 
 		default:
 			@echo "hello."
-			@false
-
+      @false
diff --git a/postgresql.md b/postgresql.md
new file mode 100644
index 000000000..581858720
--- /dev/null
+++ b/postgresql.md
@@ -0,0 +1,4 @@
+
+ * Show tables: `\dt`
+ * Show databases: `\l`
+ * Show columns of a table: `\d table` or `\d+ table`
diff --git a/rails-helpers.md b/rails-helpers.md
new file mode 100644
index 000000000..287158eba
--- /dev/null
+++ b/rails-helpers.md
@@ -0,0 +1,77 @@
+title: Rails helpers
+---
+
+### Date helpers
+
+http://api.rubyonrails.org/classes/ActionView/Helpers/DateHelper.html
+
+### Date
+
+    distance_of_time_in_words(Time.now, project.end_date) #=> 3 hours
+    distance_of_time_in_words_to_now project.end_date     #=> 3 hours
+
+### Time select
+
+    # Creates a time select tag that, when POSTed, will be stored in the article
+    # variable in the sunrise attribute.
+    time_select "article", "start_time"
+
+    # All options are optional
+    time_select "article", "start_time", \
+      :include_seconds => true,
+      :minute_step => 15,
+      :prompt => true,
+      :prompt => { :hour => "Choose hr", :minute => "Choose min", :second => "Choose sec" },
+      :ampm => true
+
+    # For dates (all options are optional)
+    date_select "article", "written_on", \
+      :start_year => 1995,
+      :use_month_numbers => true,
+      :discard_day => true,
+      :include_blank => true,
+      :order => [:day, :month, :year],
+      :default => 3.days.from_now,
+      :default => { :day => 20 },
+      :prompt => { :day => 'Select day', :month => 'Select month', :year => 'Select year' }
+
+### Time tag
+
+    time_tag Date.today  #=> <time datetime="2010-11-04">November 04, 2010<%rtime>
+    time_tag Time.now    #=> <time datetime="2010-11-04T17:55:45+01:00">November 04, 2010 17:55</time>
+
+    time_tag Date.yesterday, 'Yesterday'   #=> <time datetime="2010-11-03">Yesterday<%rtime>
+    time_tag Date.today, :pubdate => true  #=> <time datetime="2010-11-04" pubdate="pubdate">November 04, 2010</time>
+
+## Forms
+
+### Forms
+
+    = form_for @post do |f|
+
+### Fields
+
+    f.check_box :enabled
+    f.text_field :title
+    f.text_area :body, \
+      :size => '60x12'
+
+### Select dropdowns
+
+    f.time_zone_select :time_zone
+    f.date_select :birthday
+
+    f.select :city_id, [['Lisbon',1], ['Madrid',2], ...], 4   # (4 = selected)
+
+    f.collection_select :city_id, City.all, :id, :name
+
+    options_for_select [['Lisbon',1], ['Madrid', 2], ...], 4  # Just makes <option> tags
+
+### The rest
+
+    f.submit "Create"
+
+### Files
+
+    = form_for @post, :multipart => true do |f|
+      = f.file_field :picture
diff --git a/rails-migrations.md b/rails-migrations.md
index d7c9d8bd8..a7da5538c 100644
--- a/rails-migrations.md
+++ b/rails-migrations.md
@@ -1,6 +1,11 @@
 title: Rails migrations
 -------
 
+### Automatically make migrations
+
+    $ rails generate migration RemovePartNumberFromProducts part_number:string
+    $ rails generate migration AddNameToWidgets name:string
+
 ### Run migrations
 
     $ rake db:migrate
diff --git a/rails-models.md b/rails-models.md
index be49fb8a3..495dab9b4 100644
--- a/rails-models.md
+++ b/rails-models.md
@@ -106,16 +106,24 @@ Validation
 
     class Person < ActiveRecord::Base
 
+      # Non empty
+      validates :name, :presence => true
+
       # Checkboxes
       validates :terms_of_service, :acceptance => true
 
-      # Validate associated records
+      # Validate the associated records to ensure they're valid as well
       has_many :books
       validates_associated :books
 
       # Confirmation (like passwords)
       validates :email, :confirmation => true
 
+      # Unique
+      validates :slug, :uniqueness => true
+      validates :slug, :uniqueness => { :case_sensitive => false }
+      validates :holiday, :uniqueness => { :scope => :year, :message => "only once a year" }
+
       # Format
       validates :legacy_code, :format => {
         :with    => /\A[a-zA-Z]+\z/,
@@ -142,11 +150,15 @@ Validation
       validates :points,       :numericality => true
       validates :games_played, :numericality => { :only_integer => true }
 
-      # Non empty
-      validates :name, :presence => true
-    
       # Multiple
-      validate :login, :email, :presence => true
+      validates :login, :email, :presence => true
+
+      # Conditional
+      validates :description, :presence => true, :if => :published?
+      validates :description, :presence => true, :if => lambda { |obj| .. }
+
+      # On
+      validates :title, :presence => true, :on => :save   # :save | :create | :update
     end
 
 ### Custom validations
@@ -158,7 +170,7 @@ Validation
         errors.add(:foo, 'cant be nil')  if foo.nil?
       end
     end
-      
+
 API
 ---
 
diff --git a/sass.md b/sass.md
index e433aa261..b2e9c2634 100644
--- a/sass.md
+++ b/sass.md
@@ -1,6 +1,24 @@
+### Compass: Sprites
 
-### Sprites
+    @import compass/utilities/sprites
 
+    $sprites: sprite-map('sprites/*.png')
+    $sprites: sprite-map('sprites/*.png', $spacing: 20px)
+
+    @mixin sprite($name)
+      background-image: sprite-url($sprite)
+
+      +sprite-dimensions($sprite, $name)
+      width: image-width(sprite-file($sprite, $name)
+      height: image-height(sprite-file($sprite, $name)
+
+      +sprite-background-position($sprite, $name[, $offset-x, $offset-y])
+      background-position: sprite-position($sprite, $name)
+      nth(sprite-position($sprite, $name), 1)   # X position
+      nth(sprite-position($sprite, $name), 2)   # Y position
+
+
+### Compass: Sprites (the @import way)
 
     // Sprite sets (applies to icon/*.png)
     $icon-spacing: 0
@@ -33,3 +51,11 @@
       background: sprite($icon-sprites, refresh, -2px, -9px)
       //background: url(...) -2px -19px;
 
+
+### Loopo
+
+    $i: 6;
+    @while $i > 0 {
+      .item-#{$i} { width: 2em * $i; }
+      $i: $i - 2;
+    }
diff --git a/stylus.md b/stylus.md
new file mode 100644
index 000000000..efa6b257a
--- /dev/null
+++ b/stylus.md
@@ -0,0 +1,82 @@
+title: Stylus
+----
+
+### Variables
+
+    royal-blue = #36a
+    support-for-ie ?= true
+
+    div
+      color: royal-blue
+
+### Mixin without args
+
+    red-border()
+      border: solid 2px red
+
+    div
+      red-border()
+
+### Mixin with arguments
+
+    border-radius(n)
+      -webkit-border-radius: n
+      border-radius: n
+
+    div
+      border-radius: 2px
+
+Or with defaults:
+
+    border-radius(n=2px)
+      -webkit-border-radius: n
+
+Multiple args:
+
+    xy(left, top)
+      left: left
+      top: top
+
+    div
+      xy: 2px 2px
+
+### Functions
+
+    add(a, b)
+      a + b
+
+    body
+      padding: add(10px, 5)
+
+### Interpolation
+
+    -{prefix}-border-radius: 2px
+
+### Built-in functions
+
+    alpha(#fff)   //=> 1
+    alpha(rgba(0, 0, 0, 0.2))   //=> 0.2
+
+    dark(black)  //=> true
+    light(black) //=> false
+
+    lighten(color, 10%)
+    darken(color, 10%)
+    saturate(color, 10%)
+    invert(color)
+
+    width:  image-size(img)[0]
+    height: image-size(img)[1]
+
+    unquote(string)
+
+    s("rgba(0, 0, 0, %s)", 0.3)   // Works like eval?
+
+Add Property:
+
+    gradient(color)
+      add-property('background-image', linear-gradient(top, color, darken(color, 20%)))
+      color
+
+    body
+      background: gradient(red)
diff --git a/tig.md b/tig.md
index 8043d453e..3e04d332e 100644
--- a/tig.md
+++ b/tig.md
@@ -31,6 +31,8 @@ Tig shortcuts
     !     # Revert file or chunk
     C     # Commit
     M     # Merge
+    1     # Stage line
+    []    # Increase/decrease the diff context
 
 ### `H` - Branch view
 
diff --git a/vim.md b/vim.md
index d06286380..5f8e62fb6 100644
--- a/vim.md
+++ b/vim.md
@@ -3,7 +3,10 @@ title: vim
 
     .       - repeat last command
     ]p      - paste under the current indentation level
+
     `.      - Go to last edit
+    ``      - Go to last jump
+
     C-o     - Go back to previous location (C-i forward)
     C-t     - Go back to last tag
 
@@ -22,9 +25,9 @@ Motions
     ap            - a paragraph
     ip            - inner paragraph
 
-    {a,i}p        - Paragraph
-    {a,i}w        - Word
-    {a,i}s        - Sentence
+    ap, ip        - Paragraph
+    aw, iw        - Word
+    as, is        - Sentence
 
     ab            - A block [(
     aB            - A block in [{
@@ -32,13 +35,22 @@ Motions
     a[ ( { <      - A [], (), or {} block
     a' " `        - A quoted string
 
-
 Example:
 
     yip - Yank inner paragraph
     yap - Yank paragraph (including newline)
 
-SCSS!
------
+Tags
+----
+
+      ^]      - 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
+
+## My own customizations
 
     va{=     - reindent block
diff --git a/vows.md b/vows.md
new file mode 100644
index 000000000..fb684609a
--- /dev/null
+++ b/vows.md
@@ -0,0 +1,50 @@
+title: Vows
+---
+
+### Vows
+
+    * [Vowsjs.org](http://vowsjs.org/)
+
+### CoffeeScript usage
+
+    vows = require "vows"
+    assert = require "assert"
+
+    vows
+      .describe('My tests')
+      .addBatch
+        'context':
+          topic: ->
+            100
+          'should work': (number) ->
+            assert.equal number, 100
+
+      .export(module)
+
+### Running
+
+    vows test/*-test.* --spec
+
+### Assertions
+
+    assert.equal a, b
+    assert.notEqual a, b
+    assert.strictEqual a, b
+
+    assert.isNaN(number)
+    assert.instanceOf(object, klass)
+    assert.isUndefined(object)
+    assert.isFunction(func)
+    assert.isNull(object)
+    assert.isNotZero(object)
+    assert.isObject(object)
+    assert.isString(object)
+
+### Async
+
+    .addBatch
+      topic: ->
+        doStuff()
+        @callback 2
+      'check things': (n) ->
+        assert.equal 2, n