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2014/10/15 ¤U¤È 10:08:26
iphone Programming Glossary: epochIs it possible to get the atomic clock timestamp from the iphone GPS? http://stackoverflow.com/questions/1444456/is-it-possible-to-get-the-atomic-clock-timestamp-from-the-iphone-gps
How does the iPhone SDK Core Data system store date types to sqlite? http://stackoverflow.com/questions/2494542/how-does-the-iphone-sdk-core-data-system-store-date-types-to-sqlite and the values look like 290902422.72624 Nine digits before the . and then some fraction. What is this format It's not epoch time and it's not julianday format. Epoch would be 1269280338.81213 julianday would be 2455278.236746875 notice only 7 digits.. notice only 7 digits before the . not 9 like I have How can I convert a number like 290902422.72624 to epoch time Thanks iphone sqlite date core data share improve this question First note that the Core Data documentation says.. the number of years that's elapsed since that reference date. If you really need to parse that value back into an epoch time you can use the method initWithTimeIntervalSinceReferenceDate with your SQLite stored number to get an NSDate then..
How to convert NSDate into Unix timestamp in Objective C/iPhone? http://stackoverflow.com/questions/3023264/how-to-convert-nsdate-into-unix-timestamp-in-objective-c-iphone
iPhone: How to get current milliseconds? http://stackoverflow.com/questions/358207/iphone-how-to-get-current-milliseconds
NSDate from stange looking string http://stackoverflow.com/questions/7038117/nsdate-from-stange-looking-string lie Date and iphone objective c nsdate share improve this question 1314313200000 is milliseconds since the epoch date 1970 01 01 and 0100 is the timezone. You need to parse this info out from the string and build a date from it. The..
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