Updates.

animated_gif.md

@@ -0,0 +1,11 @@
+Convert mp4 to gif:
+
+    mkdir -p gif
+    mplayer -ao null -vo gif89a:outdir=gif $mp4
+    mogrify -format gif *.png
+    gifsicle --colors=256 --delay=4 --loopcount=0 --dither -O3 gif/*.gif > ${mp4%.*}.gif
+    rm -rf gif
+
+Or a given range (-ss -endpos):
+
+    mplayer -ao null -ss 0:02:06 -endpos 0:05:00 -vo gif89a:outdir=gif videofile.mp4

bookshelf.md

@@ -0,0 +1,56 @@
+# Bookshelf.js
+
+Model
+-----
+
+    class Book extends Bookshelf.Model
+      tableName: 'books'
+
+### Associations
+
+    class Book extends Bookshelf.Model
+      # Associations
+      author:  -> @belongsTo(Author)
+      summary: -> @hasOne(Summary)
+      pages:   -> @hasMany(Pages)
+      shelves: -> @belongsToMany(Shelves)
+
+      @hasMany(Comment)
+        .through(Chapter)
+
+      @belongsToMany(Comment)
+        .withPivot(['created_at'])
+
+### Collections
+
+    class Books extends Bookshelf.Collection
+      model: Book
+
+    books = new Books()
+    books.query(where: { id: 2 })
+    .fetch()
+    .then ->
+
+### Fetching associations
+
+    new Book(id: 1).summary().fetch()
+    .then (summary) ->
+    
+Manipulation
+------------
+
+### Reading (Fetch by ID)
+
+    new Story(id: 2).fetch()
+    .then (story) ->
+      story.id       #=> 2
+      story.title    #=> "Through the Looking Glass"
+
+      story.summary = "Hello"
+      story.save()
+
+    .then -> ...
+
+### References
+
+ * http://bookshelfjs.org/

brunch.md

@@ -0,0 +1,57 @@
+## Paths
+
+    /
+      app/
+        assets/
+      vendor/
+      public/
+      config.coffee
+
+## Config
+
+    files:
+      javascripts:   # or 'stylesheets' or 'templates'
+        order:
+          before: [ 'normalize.css' ]
+          after:  [ 'helpers.css' ]
+
+        joinTo: 'app.js'
+        joinTo:
+          'js/app.js':    /^app/
+          'js/vendor.js': /^vendor/
+        pluginHelpers: 'js/vendor.js'
+
+    paths:
+      public: 'public'                       # where to compile
+      watched: ['app','test','vendor']       # what to monitor
+
+    modules:
+      wrapper: 'amd'
+      definition: 'amd'
+      nameCleaner: (path) -> path.replace /^app\//, ''
+
+    # brunch b --apply production
+    overrides:
+      production:
+        optimize: true
+        sourceMaps: false
+        plugins: autoReload: enabled: false
+
+## Plugins
+
+    plugins:
+      uglify:
+        mangle: true
+        compress:
+          global_defs:
+            DEBUG: false
+
+## Stuff
+
+  * uglify-js-brunch
+  * stylus-brunch
+  * coffee-script-brunch
+
+## References
+
+  * https://github.com/brunch/brunch/blob/master/docs/config.md

chunky_png.md

@@ -0,0 +1,24 @@
+Loading
+
+    image = ChunkyPNG::Image.from_file('filename.png')
+    image = ChunkyPNG::Image.from_blob(File.read('file.png'))
+    image = ChunkyPNG::Image.from_io(io) 
+
+Saving
+
+    image.save('filename.png')
+    File.open('newfile.png', 'wb') { |io| image.write(io) }
+    binary_string = image.to_blob
+
+Drawing
+
+    image[0, 0] = ChunkyPNG::Color.rgba(255, 0,0, 128)
+    image.line(1, 1, 10, 1, ChunkyPNG::Color.from_hex('#aa007f'))
+
+Canvas
+
+    crop(x, y, w, h)
+
+Transforms
+
+    new_image = image.flip_horizontally.rotate_right

command_line.md

@@ -35,49 +35,6 @@ Sorting:
 
     -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"
-
 ## Tail
 
 Usage:

express.md

@@ -34,12 +34,15 @@ title: Express.js
 
 ### Request
 
-    req.params
 
     // GET  /user/tj
-    req.params.name //=> "tj"
+    req.path         //=> "/user/tj"
-
+    req.url          //=> "/user/tj"
-    req.params[0]
+    req.xhr          //=> true|false
+    req.method       //=> "GET"
+    req.params
+    req.params.name  //=> "tj"
+    req.params[0]    
 
     // GET /search?q=tobi+ferret
     req.query.q // => "tobi ferret"
@@ -53,8 +56,6 @@ title: Express.js
     req.is('html')
     req.is('text/html')
 
-    req.path
-    req.xhr
 
 ## Response
 

find.md

@@ -0,0 +1,43 @@
+# 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"
+

heroku.md

@@ -12,6 +12,12 @@
     # Transfer to another owner
       heroku sharing:transfer new@owner.com
 
+## `logs` - Show logs
+
+    heroku logs
+    heroku logs -t      # --tail (stream)
+    heroku logs -s app  # --source (only on app logs)
+
 ## `pg` - Postgresql
 
     # Start a database

makefile.md

@@ -19,10 +19,25 @@
     $<   -- Prerequisite (first)
     $*   -- Basename without extension of the target (?)
 
+### Command prefixes
+
+    -    Ignore errors
+    @    Don't print command
+    +    Run even if Make is in 'don't execute' mode
+
+Examples:
+
+    build:
+        @echo "Building"
+        -gcc $< $@
+        @echo "Construction complete"
+
+    -include .depend
+
 ### Cool stuff
 
-		gitdir ?= $(shell git --exec-path)
+    gitdir ?= $(shell git --exec-path)
-		gitver ?= $(word 3,$(shell git --version))
+    gitver ?= $(word 3,$(shell git --version))
 
 ### Find files
 
@@ -31,13 +46,11 @@
 
     $(patsubst images/%, assets/%, $(shell find images -name "*"))
 
-
-
 ### Substitutions
 
     # Same
-		$(SOURCE:.cpp=.o)
+    $(SOURCE:.cpp=.o)
-		$(patsubst %.cpp, %.c, $(SOURCES))
+    $(patsubst %.cpp, %.c, $(SOURCES))
 
     $(strip $(string_var))
 
@@ -53,15 +66,9 @@
 
 ### Building files
 
-		%.o: %.c
+    %.o: %.c
-			ffmpeg -i $< > $@   # Input and output
+      ffmpeg -i $< > $@   # Input and output
-			foo $^
+      foo $^
-
-### Default task
-
-		default:
-			@echo "hello."
-      @false
 
 ### Inclusion
 

npm-package.md

@@ -58,5 +58,4 @@ title: Package JSON
     "preferGlobal": true,
     "license": "MIT"
 
-
 [Reference](http://package.json.nodejitsu.com/) (Nodejitsu.com)

psdrb.md

@@ -0,0 +1,77 @@
+# PSD.rb
+
+### Opening
+
+    psd = PSD.new(file, parse_layer_images: true)
+    psd.parse!
+
+### Traversing
+
+    # Gets the root node.
+    # A #<Node> can be a Group or a Layer.
+    node = psd.tree
+
+    node.root
+    node.descendants
+    node.ancestors
+    node.siblings
+    node.subtree
+
+    node.descendant_groups
+    node.descendant_layers
+
+### Layer info
+
+    node.name   #=> "Layer 2"
+
+    node.top    #=> 3
+    node.left   #=> 3
+    node.bottom
+    node.right
+
+    # Note: these are interchanged (?)
+    node.width
+    node.height
+
+    node.visible?
+    node.hidden?
+
+    node.layer?
+    node.group?
+
+    node.blending_mode  #=> "normal"
+    node.opacity        #=> 0..255
+    node.fill_opacity   #=> 0..255
+
+### Layer text
+
+    node.text                  #=> (Hash)
+    node.text[:value]          #=> "Text here"
+    node.text[:font][:name]    #=> "Arial"
+    node.text[:font][:sizes]   #=> [6.9]
+    node.text[:font][:colors]  #=> [[255,255,255,255]]
+    node.text[:font][:css]     #=> "font-family: ...;"
+    node.text[:left]           #=> 3
+    node.text[:top]
+    node.text[:right]
+    node.text[:bottom]
+    node.text[:transform]      #=> (Hash)
+
+### Layer effects
+
+    fx = node.info[:object_effects]
+    fx.data['Scl ']   # ?
+    fx.data['GrFl']   # Gradient fill
+
+### Layer mask
+
+    node.mask["mask_size"] == 0    # No mask
+    node.mask["mask_size"] == 20   # Has mask
+    node.mask["top"]
+    node.mask["left"]
+    node.mask["bottom"]
+    node.mask["right"]
+
+### Reference
+
+ * https://github.com/layervault/psd.rb

qjs.md

@@ -3,12 +3,29 @@ title: Q.js
 
 ### Creating promises (Q.promise)
 
-    Q.promise (resolve, reject) ->
+    Q.promise (ok, fail) =>
       asyncFunction ->
         if error
-          reject new Error("Failure")
+          fail new Error("Failure")
         else
-          resolve deferred
+          ok(data)
+
+### For arrays
+
+    promises = [saveDisk(), saveCloud()]
+
+    # When all succeeds, or *at least one* error
+    Q.all(promises).done ->
+      alert "Saved"
+
+    # Same, but get the values
+    Q.all(promises).spread (a, b) ->
+      alert "Result A:" + a
+      alert "Result B:" + b
+
+    # When all either succeeds or errors
+    Q.allSettled(promises).done -> ...
+
 
 ### Creating promises from Node
 
@@ -50,3 +67,7 @@ title: Q.js
 
   .catch (e) ->
     console.error "Oh well", e
+
+### Reference
+
+ * https://github.com/kriskowal/q/wiki/API-Reference