文档解释ORA-48224:DDLhasoccurredsinceparse–reparse[string][string][string]Cause:AnothersessionhasperformedaDDL(i.e.addfield,createkey,dropkey)thatpreventsthis...

文档解释ORA-10639:DumplibrarycacheduringreparseloopsCause:Duringthiserroralibrarycachedumpisnecessary,soenablelibrarycachedumpifeventisset.Action:Dumpalibrarycachei...

最灵活的方法1- (NSRange)rangeOfString:(NSString *)aString options:(NSStringCompareOptions)mask range:(NSRange)searchRange locale:(NSLocale&nb...