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iphone Programming Glossary: ssHow 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 knownTimeZoneNames or NSTimeZone abbreviationDictionary . I don't know in which format your MySQL date comes in but assuming it is a string you should use NSDateFormatter to parse the string and convert it to an NSDate obejct. For example NSDateFormatter.. example NSDateFormatter formatter NSDateFormatter alloc init autorelease formatter setDateFormat @ yyyy MM dd HH mm ss NSDate sourceDate formatter dateFromString @ 2009 07 04 10 23 23 You have to set the formatter's date format according to..
How to Get time difference in iPhone http://stackoverflow.com/questions/1427151/how-to-get-time-difference-in-iphone to Get time difference in iPhone I have 2 arrays with time values in it. They are in the following format. mm ss hundreds of a sec. I want to get the difference between the two lastObjects in the arrays. NSDate is not working because.. setLocale NSLocale alloc initWithLocaleIdentifier @ en_US_POSIX autorelease dateFormatter setDateFormat @ mm ss SS NSDate firstDate dateFormatter dateFromString @ 01 00 00 NSDate secondDate dateFormatter dateFromString @ 01 02 00 NSTimeInterval..
How get a datetime column in SQLite with Objective C http://stackoverflow.com/questions/1711504/how-get-a-datetime-column-in-sqlite-with-objective-c or in strings text columns . SQLite is also very particular in how dates are represented in strings yyyy MM dd HH mm ss only . These are some methods that I wrote for working with SQLite dates from Objective C. These methods are implemented.. here. Persisting Dates to SQLite3 in an iPhone Application NSDate dateWithSQLiteRepresentation NSString myString NSAssert3 myString @ s d s Invalid argument. myString nil __FILE__ __LINE__ __PRETTY_FUNCTION__ return self sqlLiteDateFormatter.. NSString myString timeZone NSString myTimeZone NSString dateWithTimezone nil NSDate result nil NSAssert3 myString @ s d s Invalid argument. myString nil __FILE__ __LINE__ __PRETTY_FUNCTION__ NSAssert3 myTimeZone @ s d s Invalid..
Listing All Folder content from Google Drive http://stackoverflow.com/questions/17995787/listing-all-folder-content-from-google-drive viewController finishedWithAuth GTMOAuth2Authentication auth error NSError error self dismissViewControllerAnimated YES completion nil if error nil self isAuthorizedWithAuthentication auth If everthing is fine then.. file in driveFiles NSLog @ File is @ file.title else NSLog @ An error occurred @ error Note For get full drive access your scope should be kGTLAuthScopeDrive . GTMOAuth2ViewControllerTouch alloc initWithScope kGTLAuthScopeDrive clientID.. fetcher beginFetchWithCompletionHandler ^ NSData data NSError error if error nil if data nil You have successfully downloaded the file write it with its name NSString name file.title else NSLog @ Error @ error.description Note..
How to handle different date time formats using NSDateFormatter http://stackoverflow.com/questions/2035201/how-to-handle-different-date-time-formats-using-nsdateformatter a time. You need to take this approach NSDateFormatter f NSDateFormatter alloc init f setDateFormat @ yyyy MM dd HH mm ss NSDate date f dateFromString @ 2010 01 10 13 55 15 NSDateFormatter f2 NSDateFormatter alloc init f2 setDateFormat @ d. MMMM..
objective-c setting NSDate to current UTC http://stackoverflow.com/questions/2615833/objective-c-setting-nsdate-to-current-utc NSTimeZone timeZoneWithName @ UTC dateFormatter setTimeZone timeZone dateFormatter setDateFormat @ yyyy MM dd HH mm ss NSString dateString dateFormatter stringFromDate localDate dateFormatter release return dateString share improve this..
How to change format of date/time? http://stackoverflow.com/questions/2871182/how-to-change-format-of-date-time gets the current format NSDateFormatter formatter NSDateFormatter alloc init formatter.dateFormat @ yyyy MM dd HH mm ss but when I change the format I end up with a null. For example formatter.dateFormat @ hh mm tt MM dd yyyy date formatter..
NSDateFormatter dateFromString returns nil http://stackoverflow.com/questions/4258266/nsdateformatter-datefromstring-returns-nil Nov 2010 16 14 14 0000 NSDateFormatter parser NSDateFormatter alloc init parser setDateFormat @ EEE dd MMM yyyy HH mm ss ' 0000' parser setTimeZone NSTimeZone timeZoneWithName @ UTC NSDate date parser dateFromString _date This doesn't run 'date'.. _date This doesn't run 'date' is set to 'nil'. I tried with parser setDateFormat @ EEE dd MMM yyyy HH mm ss ZZZ With no more success... Do you have any idea Thanks in advance iphone objective c cocoa share improve this question.. doesn't run 'date' is set to 'nil'. I tried with parser setDateFormat @ EEE dd MMM yyyy HH mm ss ZZZ With no more success... Do you have any idea Thanks in advance iphone objective c cocoa share improve this question Add this line NSDateFormatter..
How to convert string to date in objective-c? http://stackoverflow.com/questions/4380381/how-to-convert-string-to-date-in-objective-c format e.g. Tue 25 May 2010 12 53 58 0000 . I want to convert this to an NSDate. But I have tried a lot without sucess. So please give me some idea about this format. Thanks in advance. iphone share improve this question Take a look at.. give me some idea about this format. Thanks in advance. iphone share improve this question Take a look at the class reference for NSDateFormatter . You use it like this NSString dateStr @ Tue 25 May 2010 12 53 58 0000 Convert string to.. to date object NSDateFormatter dateFormat NSDateFormatter alloc init dateFormat setDateFormat @ EE d LLLL yyyy HH mm ss Z NSDate date dateFormat dateFromString dateStr dateFormat release For more information on how to customize that NSDateFormatter..
A NSFetchedResultsController with date as sectionNameKeyPath http://stackoverflow.com/questions/4418703/a-nsfetchedresultscontroller-with-date-as-sectionnamekeypath seconds too. But I want a list of the objects grouped by date but only according to the day month and year. Is it possible and how Thank you very much for your help iphone sorting core data nsfetchedresultscontrolle section share improve.. NSDate... NSDateFormatter formatter NSDateFormatter alloc init autorelease formatter setDateFormat @ yyyy MM dd HH mm ss ZZ NSDate date formatter dateFromString rawDateStr Convert NSDate to format we want... formatter setDateFormat @ d MMMM.. a transient NSDate attribute non persistent that is formatted in a similar way to the above code i.e. without H mm ss ZZZZ and use that attribute as your sectionNameKeyPath value. So in a nutshell for a foo object with fooDate and fooDateTransient..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature a simple fixed format operation such as NSDateFormatter fmt NSDateFormatter alloc init fmt setDateFormat @ yyyyMMddHHmmss NSString dateStr fmt stringFromDate someDate fmt release Then it works fine in the US and most locales UNTIL ... someone.. is apparently to set the locale of the date formatter for a specific region generally the US but this is a bit messy NSLocale loc NSLocale alloc initWithLocaleIdentifier @ en_US df setLocale loc loc release Not too bad in onsies twosies.. apps and the first one I look at has 43 instances of this scenario. So any clever ideas for a macro overridden class whatever to minimize the effort to change everything without making the code to obscure My first instinct is to override..
Retrieve month part from date saved in sqlite database table for displaying month wise data http://stackoverflow.com/questions/8725685/retrieve-month-part-from-date-saved-in-sqlite-database-table-for-displaying-mont of a date in to sqlite database table i.e of the following format dateFormatter setDateFormat @ yyyy MM dd HH mm ss I have displayed all the data including date in a controller page say View Reminder page. Now I have a view controller for.. controller where I display the reminders corresponding to the selected month. I have earlier got struck at how to access the string value selected from picker view so that we can use the query SELECT FROM reminders WHERE Grp ' @' appDelegate.groupString.. query SELECT FROM reminders WHERE Grp ' @' appDelegate.groupString Where groupString is declared in app delegate file assigned a value in view controller where picker view is present and accessed that string using the above query in display view..
iPhone: Convert date string to a relative time stamp http://stackoverflow.com/questions/902950/iphone-convert-date-string-to-a-relative-time-stamp NSDateFormatter alloc init df setFormatterBehavior NSDateFormatterBehavior10_4 df setDateFormat @ EEE dd MMM yy HH mm ss VVVV NSDate convertedDate df dateFromString origDate df release NSDate todayDate NSDate date double ti convertedDate timeIntervalSinceDate.. date double ti convertedDate timeIntervalSinceDate todayDate ti ti 1 if ti 1 return @ never else if ti 60 return @ less than a minute ago else if ti 3600 int diff round ti 60 return NSString stringWithFormat @ d minutes ago diff else if ti..
sqlite datetime data type with iphone NSdate? http://stackoverflow.com/questions/942188/sqlite-datetime-data-type-with-iphone-nsdate like this NSDateFormatter formatter NSDateFormatter alloc init formatter setDateFormat @ yyyy MM dd HH mm ss this is the sqlite's format NSDate date formatter dateFromString score.datetime and now you have that date as an NSDate..
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 NSDateFormatter alloc init autorelease dateFormatter setDateFormat @ d MMM yyyy HH mm ss dateFormatter setTimeZone NSTimeZone timeZoneWithName @ asia kolkata NSDate date dateFormatter dateFromString str In console.. dateFromString 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..
How to Get time difference in iPhone http://stackoverflow.com/questions/1427151/how-to-get-time-difference-in-iphone setLocale NSLocale alloc initWithLocaleIdentifier @ en_US_POSIX autorelease dateFormatter setDateFormat @ mm ss SS NSDate firstDate dateFormatter dateFromString @ 01 00 00 NSDate secondDate dateFormatter dateFromString @ 01 02 00 NSTimeInterval..
Issues converting DATETIME using SQLITE3 and Objective C http://stackoverflow.com/questions/14305482/issues-converting-datetime-using-sqlite3-and-objective-c yyyy MM dd hh mm ss char DateTimeColumn char sqlite3_column_text statement 13 NSDate myDate dateFormat dateFromString NSString stringWithUTF8String DateTimeColumn This works really well except it doesn't figure out whether this is 4 00AM or 4.. alloc init dateFormat setDateFormat @ yyyy MM dd hh mm ss char DateTimeColumn char sqlite3_column_text statement 13 NSString DateTimeString NSString stringWithUTF8String DateTimeColumn NSLog @ DateTimeString @ DateTimeString This NSLog gives.. setDateFormat @ yyyy MM dd hh mm ss char DateTimeColumn char sqlite3_column_text statement 13 NSString DateTimeString NSString stringWithUTF8String DateTimeColumn NSLog @ DateTimeString @ DateTimeString This NSLog gives me a good string DateTimeString..
how to save video in documents folder then upload to server [duplicate] http://stackoverflow.com/questions/15518925/how-to-save-video-in-documents-folder-then-upload-to-server isSourceTypeAvailable UIImagePickerControllerSourceTypeCamera NSArray mediaTypes NSArray arrayWithObject NSString kUTTypeMovie picker.mediaTypes mediaTypes picker.sourceType UIImagePickerControllerSourceTypeCamera picker.cameraCaptureMode.. picker didFinishPickingMediaWithInfo NSDictionary info self dismissViewControllerAnimated NO completion nil NSString type info objectForKey UIImagePickerControllerMediaType if type isEqualToString NSString kUTTypeVideo type isEqualToString.. NO completion nil NSString type info objectForKey UIImagePickerControllerMediaType if type isEqualToString NSString kUTTypeVideo type isEqualToString NSString kUTTypeMovie videoURL info objectForKey UIImagePickerControllerMediaURL..
How to handle different date time formats using NSDateFormatter http://stackoverflow.com/questions/2035201/how-to-handle-different-date-time-formats-using-nsdateformatter to handle different date time formats using NSDateFormatter I have a String with a datetime format YYYY MM DD HH MM SS . I use this in my source code NSDateFormatter formatter NSDateFormatter alloc init autorelease formatter setDateFormat.. in my source code NSDateFormatter formatter NSDateFormatter alloc init autorelease formatter setDateFormat @ e. B Y NSString test formatter stringFromDate @ 2010 01 10 13 55 15 I want to convert from 2010 01 10 13 55 15 to 10. January 2010.. NSDateFormatter formatter NSDateFormatter alloc init autorelease formatter setDateFormat @ Y m d H M S NSString test1 formatter stringFromDate @ 2010 01 10 13 55 15 NSDateFormatter formatter1 NSDateFormatter alloc init autorelease..
is there stack size in iphone? http://stackoverflow.com/questions/2918691/is-there-stack-size-in-iphone there stack size in iphone Every RAM must have stack and heap like CS ES DS SS 4 segments .but is there like stack size in iphone is only heap available some tutorial say when we increase stack size..
http://stackoverflow.com/questions/3180899/nstimer-stopwatch Stopwatch I've trying to create a stopwatch with HH MM SS code is as follows IBAction startTimerButton myTimer NSTimer scheduledTimerWithTimeInterval 1 target self selector @selector.. invalidate myTimer nil void showActivity int currentTime time.text intValue int newTime currentTime 1 time.text NSString stringWithFormat @ .2i .2i .2i newTime Although the output does increment by 1 second as expected the format of the.. fabs timeInterval uint minutes seconds 60 uint hours minutes 60 seconds minutes 60 minutes hours 60 label setText NSString stringWithFormat @ @ 02uh 02um 02us timeInterval 0 @ @ hours minutes seconds to use it with a timer do this ... NSTimer..
DatePicker Stopping CoreData Work http://stackoverflow.com/questions/4326303/datepicker-stopping-coredata-work c ipad core data uidatepicker share improve this question Remember NSDate saves not only DD MM YYYY but also HH MM SS. At a guess I think when you pick a DD MM YYYY from the picker it saves with a default time of 0 00 00 but in the case above.. time of 0 00 00 but in the case above when you set the picker date to now you are actually manipulating the HH MM SS to something else even though you don't see it manually . To illustrate what I'm trying to say when you fetch is with a..
NSDate from NSString gives null result http://stackoverflow.com/questions/8396796/nsdate-from-nsstring-gives-null-result from NSString gives null result I am using following code to generate NSDate NSString NSString getCurrentTime NSDate now NSDate.. from NSString gives null result I am using following code to generate NSDate NSString NSString getCurrentTime NSDate now NSDate date NSDateFormatter dateFormatter NSDateFormatter alloc init dateFormatter.. from NSString gives null result I am using following code to generate NSDate NSString NSString getCurrentTime NSDate now NSDate date NSDateFormatter dateFormatter NSDateFormatter alloc init dateFormatter setDateFormat..
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