[iOS] Retina display

iPhone and iPod touch

Portrait: 320 x 480 pixels

Portrait Retina: 640 x 960 pixels (@2x)

iPhone 5 and iPod touch (5th generation)

Portrait: 640 x 1136 pixels (@2x)

iPad

Portrait: 768 x 1004 pixels

Portrait Retina: 1536 x 2008 pixels (@2x)

Landscape: 1024 x 748 pixels

Landscape Retina: 2048 x 1496 pixels (@2x)

2048x1536 with 264 ppi.
960x640 with 326 ppi.

normal: 32x32 :image.png
retina: 64x64: image@2x.png

App-Related resources
Font size for Retina display
How to Define UIImageView size as UIImage resolution?
Preparing your iPhone App for Higher Resolution
Detect Retina device
How to serve high-resolution website images for retina displays

[Adobe] Adobe Illustrator

AI 裁圖
CG數位學習網
飛爾酥創意設計
Illustrator 繪圖教學
Vectips.com
50 多個 Adobe Illustrator 圖示製作教學

[English] Useful sentences

Hopefully you get this mail in time.

[Mac] Enable/Disable Root User

How to Enable/Disable Root User on Mac

[Law] 著作權與肖像權

著作權與肖像權
淺談[肖像權]

[Linux] Makefile autotools

Autotools for Makefile
PKG_CHECK_MODULES

[OpenSource] Follow up

COSCUP
FreedomHEC Taipei
GNOME.Asia
Jserv's blog

[English] MyOOPS 開放式課程

MyOOPS 開放式課程

[Linux] Monitor file system activity with inotify

Monitor file system activity with inotify

Monitor in sub-directories

[iOS] Cocos2D

Cocos2D for games
Cocos2D for iPhone

Button like Candy Crush

[Linux] Linux Kernel Makefiles

Linux Kernel Makefiles

[iOS] Building Objective-C static libraries with categories

Have to add -ObjC and -all_load on "Other Linker Flags".

[iOS] Icon glossy

Add a row with key named "Icon already includes gloss effects" and boolean value set to "YES".

Glossy icon

Not glossy icon

[iOS] UIFont

UIFont Class Reference
Understanding UIFont