IP属地：福建
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Xcode导出ipa报错：The data couldn’t be read because it isn’t in the correct format终端执行：chmod +t $TMPDIR 。然后再次导出ipa就行。https://stackoverflow.com/questions/2...
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定时执行
@interface @property(nonatomic,retain)dispatch_source_ttimer; .m -(void)...