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[NSPlaceholderMutableString initWithString:]: Nil Argument错误
XCode6下Too Many Arguments to Function Call, Expected 0, Have 2解决办法
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编译报错:linker command failed with exit code 1 (use -v to see invocation)
解释:import导入了.m文件
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真机调试报错
解决办法:
Certificate has either expired or has been revoked
简单总结:
- Go to Preferences->Accounts
- Press on your account
- Click "View Details"
- Click "Download All" in the lower left hand corner.
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svn commit错误
解释:可能是svn地址没有操作权限。
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NSDictionary nil值
解释:检查下该NSDictionary的key所对应的value是否为空,若其中一个为空,会发生crash。
_BSMachError: (os/kern) invalid capability (20)
_BSMachError: (os/kern) invalid name (15)
解释:_BSMachError XCode 7 Beta