XCode quick notes

.dmg file download:
https://developer.apple.com/downloads/index.action#  (require developer login)

Coding
-Use pasteboard to share information between apps


Tool
- Debugger: LLDB or GDB (LLDB provide fix-as-you-type
- Analyze: locate potential semantic problems

Debug
- Build Fail > select Log Navigator > select latest build log > expand compilation error on right pane > switch to Assistant Editor > Option+click highlighted error