摘要：
1. 重新安装。前提是保证彻底卸载，完全卸载使用下面命令：sudo /Developer/Library/uninstall-devtools --mode=all逼急了才用的方法2. 使用32位模式运行Xcode在Finder里，找到/Developer/Application/XCode.app，右击，菜单里选择Get Info，然后选中Open in 32-bit mode3. 删除project.xcworkspace文件在Finder里，右击工程文件XXX.xcodeproj，菜单里选择Show Package Contents，打开以后可以看到project.xcworkspace 阅读全文
摘要：
This is a (somewhat) hidden preference which allows you to define the number of concurrent compile tasks:defaults write com.apple.dt.XcodeIDEBuildOperationMaxNumberOfConcurrentCompileTasks4To Disable Indexing in the IDEThis one disables code sense indexing, which can save a lot of resources in large 阅读全文