Introduce a great site GitRef, Easy learn git less in a hour.

Open “Preference” form Dock, hold “Command + option” click “Display”, then you can see “Rotate 90 degree” or other degree.

Peoples like discuss about programming language, framework, software and architecture. But always forget what kind of thing should do are more important.

AVFoundation Cheatsheet (Click to Download). I made this as PDF file.

Finally, I bought [TextMate][] and this post are wrote by this awesome editor. Continue Reading »