2014/10/15 下午 10:16:11

iphone Programming Glossary: zone

How to convert time to the timezone of the iPhone device?

http://stackoverflow.com/questions/1081647/how-to-convert-time-to-the-timezone-of-the-iphone-device

to convert time to the timezone of the iPhone device I have a time in EST timezone it is done using the NOW function on the mysql server. Because my server.. to convert time to the timezone of the iPhone device I have a time in EST timezone it is done using the NOW function on the mysql server. Because my server is located in EST the time stored is in EST. When.. EST the time stored is in EST. When I retrieve it from my app on the iPhone I need to display it in the correct time zone of the user. How do I do that iphone mysql datetime share improve this question NSDate doesn't include any time zone..

Implementing NSCopying

http://stackoverflow.com/questions/4089238/implementing-nscopying

to it @interface MyObject NSObject NSCopying Then in your object 䏭 implementation your .m file id copyWithZone NSZone zone Copying code here. What should your code do First create a new instance of the object 㬙ou can call self class alloc init.. for any instance variables that are a subclass of NSObject that supports copying you can call thatObject copyWithZone zone for the new object. For primitive types int char BOOL and friends just set the variables to be equal. So for your obejct.. and friends just set the variables to be equal. So for your obejct Vendor it 羮 look like this id copyWithZone NSZone zone id copy self class alloc init if copy Copy NSObject subclasses copy setVendorID self.vendorID copyWithZone zone autorelease..

NSDate is not returning my local Time zone /default time zone of device

http://stackoverflow.com/questions/4547379/nsdate-is-not-returning-my-local-time-zone-default-time-zone-of-device

is not returning my local Time zone default time zone of device My local and default time zone is GMT 5 but when I get date and time by NSDate it return me.. is not returning my local Time zone default time zone of device My local and default time zone is GMT 5 but when I get date and time by NSDate it return me GMT date and time... is not returning my local Time zone default time zone of device My local and default time zone is GMT 5 but when I get date and time by NSDate it return me GMT date and time. For example the code and output from my..

Convert NSDate to NSString

http://stackoverflow.com/questions/576265/convert-nsdate-to-nsstring

How about... NSDateFormatter formatter NSDateFormatter alloc init formatter setDateFormat @ yyyy Optionally for time zone converstions formatter setTimeZone NSTimeZone timeZoneWithName @ ... NSString stringFromDate formatter stringFromDate myNSDateInstance..

Using a singleton to create an array accessible by multiple views

http://stackoverflow.com/questions/6324732/using-a-singleton-to-create-an-array-accessible-by-multiple-views

stuff Singleton mySingleton if mySingleton mySingleton Singleton alloc init return mySingleton id allocWithZone NSZone zone if mySingleton mySingleton super allocWithZone zone return mySingleton else return nil id copyWithZone NSZone zone return.. Singleton alloc init return mySingleton id allocWithZone NSZone zone if mySingleton mySingleton super allocWithZone zone return mySingleton else return nil id copyWithZone NSZone zone return self void release NO OP @end EDIT 2 This is how I'm.. zone if mySingleton mySingleton super allocWithZone zone return mySingleton else return nil id copyWithZone NSZone zone return self void release NO OP @end EDIT 2 This is how I'm trying to use my singleton object to have an array of objects..

How can I locally detect iPhone clock advancement by a user between app runs?

http://stackoverflow.com/questions/7122216/how-can-i-locally-detect-iphone-clock-advancement-by-a-user-between-app-runs

mach_absolute_time Take a look at this questions iOS How to measure passed time independent of clock and time zone changes Calculating number of seconds between two points in time in Cocoa even when system clock has changed mid way CACurrentMediaTime..

Correct Singleton Pattern Objective C (iOS)?

http://stackoverflow.com/questions/7598820/correct-singleton-pattern-objective-c-ios

voila the following came out @implementation MySingleton MARK MARK Singleton Pattern using GCD id allocWithZone NSZone zone return self sharedInstance retain id copyWithZone NSZone zone return self id autorelease return self oneway void release.. MARK Singleton Pattern using GCD id allocWithZone NSZone zone return self sharedInstance retain id copyWithZone NSZone zone return self id autorelease return self oneway void release Singletons can't be released void dealloc super dealloc should..

NSdate Assuming wrong time zone

http://stackoverflow.com/questions/9442126/nsdate-assuming-wrong-time-zone

Assuming wrong time zone I am trying to convert the following string into an NSDate object NSString str @ 25 May 2012 10 25 00 NSDateFormatter dateFormatter.. str In console date 2012 05 25 04 55 00 0000....it lags behind 5 hours and 30 minutes and assumes GMT timezone instead of Asia...Why it is so iphone nsdate share improve this question When you see an NSDate description printed.. in GMT. If you use the same date formatter to convert the date back to a string it should be in the specified time zone. An NSDate description is what you see if you type po date or po date description or you use NSLog to send either one of..

NSTimeZone: what is the difference between localTimeZone and systemTimeZone?

http://stackoverflow.com/questions/1526990/nstimezone-what-is-the-difference-between-localtimezone-and-systemtimezone

what is the difference between localTimeZone and systemTimeZone Under NSTimeZone class there is both localTimeZone and.. what is the difference between localTimeZone and systemTimeZone Under NSTimeZone class there is both localTimeZone and systemTimeZone. I did a test on iphone simulator.. what is the difference between localTimeZone and systemTimeZone Under NSTimeZone class there is both localTimeZone and systemTimeZone. I did a test on iphone simulator both return NSTimeZone..

Multiple MKOverlays on a MKMapView lead to memory warnings

http://stackoverflow.com/questions/3370328/multiple-mkoverlays-on-a-mkmapview-lead-to-memory-warnings

for future reference to be able to remove them from the map and to prevent double overlays void updateMarkersForZones NSArray zones NSLog @ MapViewController Update Markers For each zone show a marker for Zone zone in zones NSString keyMarker.. void updateMarkersForZones NSArray zones NSLog @ MapViewController Update Markers For each zone show a marker for Zone zone in zones NSString keyMarker NSString stringWithFormat @ d marker zone.id MKCircle circle overlayCache objectForKey..

iphone UIDatePicker showing wrong date in Central Timezone

http://stackoverflow.com/questions/3571036/iphone-uidatepicker-showing-wrong-date-in-central-timezone

08 25 18 15 19.317 59299 207 into the picker 2010 08 25 17 37 51 0500 2010 08 25 18 15 19.318 59299 207 Local Time Zone America Chicago 2010 08 25 18 15 19.318 59299 207 2010 08 25 17 37 51 0500 2010 08 25 18 15 19.319 59299 207 current locale.. 08 25 19 26 11.551 59521 207 into the picker 2010 08 25 18 37 51 0400 2010 08 25 19 26 11.552 59521 207 Local Time Zone America New_York 2010 08 25 19 26 11.552 59521 207 2010 08 25 18 37 51 0400 2010 08 25 19 26 11.553 59521 207 current locale..

NSDate is not returning my local Time zone /default time zone of device

http://stackoverflow.com/questions/4547379/nsdate-is-not-returning-my-local-time-zone-default-time-zone-of-device

For example the code and output from my code while testing on device is as device time zone Islamabad GMT 5 NSTimeZone lo NSTimeZone localTimeZone NSLog @ current local timezone is @ lo GMT 5 2010 12 28 20 56 11.785 Done 484 307 current local.. the code and output from my code while testing on device is as device time zone Islamabad GMT 5 NSTimeZone lo NSTimeZone localTimeZone NSLog @ current local timezone is @ lo GMT 5 2010 12 28 20 56 11.785 Done 484 307 current local timezone is.. output from my code while testing on device is as device time zone Islamabad GMT 5 NSTimeZone lo NSTimeZone localTimeZone NSLog @ current local timezone is @ lo GMT 5 2010 12 28 20 56 11.785 Done 484 307 current local timezone is Local Time Zone..

Why NSDate is reporting the wrong date?

http://stackoverflow.com/questions/6741519/why-nsdate-is-reporting-the-wrong-date

share improve this question NSDate's description method returns times in UTC which if you are in the US Eastern Time Zone during daylight savings time is 4 hours later than your wall clock time. In other words at 10pm your time it is 2am the..