明明

Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[ setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key myTable.'

dyld: Library not loaded: @rpath/SenTestingKit.framework/Versions/A/SenTestingKit   Referenced from: /Users/⋯⋯/Application Support/iPhone Simulator/5.0/Applications/F179924C-0EB7-4CCA-88D6-3BA1F68F12

xcode中 有时候会报一个警告:  [WARN]Warning: Multiple build commands for output file /xxx  要解决这个问题很简单:  1.选择你的工程  2.选择target  3.点击 Build Phases  4.展开Copy Bundle Resources  5.删除里面的刚才提示警告的文件,一般为红色的名字的文件

ios6版本出来新特性：auto layout属性，此属性只针对ios6及以上版本；  ios6以下版本运行时出现异常信息：Terminating app due to uncaught exception ‘NSInvalidUnarchiveOperationException’, reason: ‘ Could not instantiate class named NSLayoutC