2014/10/15 下午 10:08:14

iphone Programming Glossary: endtime

Check if the time and date is between a particular date and time

http://stackoverflow.com/questions/10671468/check-if-the-time-and-date-is-between-a-particular-date-and-time

12 NSDate startTime cal dateFromComponents currentDateComps And now the end time for today NSString endTimeString timeDurationStringWords objectAtIndex 3 currentDateComps.hour endTimeString substringToIndex 2 intValue currentDateComps.minute.. And now the end time for today NSString endTimeString timeDurationStringWords objectAtIndex 3 currentDateComps.hour endTimeString substringToIndex 2 intValue currentDateComps.minute endTimeString substringFromIndex 3 intValue if timeDurationStringWords.. objectAtIndex 3 currentDateComps.hour endTimeString substringToIndex 2 intValue currentDateComps.minute endTimeString substringFromIndex 3 intValue if timeDurationStringWords objectAtIndex 4 isEqualToString @ pm currentDateComps.hour..

How do I accurately time how long it takes to call a function on the iPhone?

http://stackoverflow.com/questions/646815/how-do-i-accurately-time-how-long-it-takes-to-call-a-function-on-the-iphone

You can use mach_absolute_time to measure in nanoseconds. #import mach mach_time.h uint64_t startTime 0 uint64_t endTime 0 uint64_t elapsedTime 0 uint64_t elapsedTimeNano 0 mach_timebase_info_data_t timeBaseInfo mach_timebase_info timeBaseInfo.. mach_timebase_info_data_t timeBaseInfo mach_timebase_info timeBaseInfo startTime mach_absolute_time do something here endTime mach_absolute_time elapsedTime endTime startTime elapsedTimeNano elapsedTime timeBaseInfo.numer timeBaseInfo.denom Reference.. mach_timebase_info timeBaseInfo startTime mach_absolute_time do something here endTime mach_absolute_time elapsedTime endTime startTime elapsedTimeNano elapsedTime timeBaseInfo.numer timeBaseInfo.denom Reference Technical Q A QA1398 Mach Absolute..