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2014/10/15 ¤U¤È 10:16:11
iphone Programming Glossary: zonesAdjusting the line to fit our head in imageview http://stackoverflow.com/questions/15402377/adjusting-the-line-to-fit-our-head-in-imageview I don't see how your primitives are constructed. But you will need to partition your point set according to touch zones and scale then as needed. If you convert your lines into Bezier curves then manipulating the curve will be easier as you..
NSDate expressed in different time zones, i.e. local time zone (GMT-400) to PST http://stackoverflow.com/questions/2503397/nsdate-expressed-in-different-time-zones-i-e-local-time-zone-gmt-400-to-pst expressed in different time zones i.e. local time zone GMT 400 to PST I know how to use NSTimeZone to derive the offset for the current time in another time.. just encapsulates an absolute moment in time let's forget about relativity for a second and it has no concept of time zones whatsoever. To say that NSDate times are relative to GMT is wrong. To output a date in a specific time zone you should create..
Building drag and drop interface on iphone http://stackoverflow.com/questions/2955629/building-drag-and-drop-interface-on-iphone trying to build an app which will have a bunch of cards that the user needs to drag and drop them onto specific drop zones. How would one go about detecting this and if the card is not on the drop zone then it should slide back. Any suggestions..
Multiple MKOverlays on a MKMapView lead to memory warnings http://stackoverflow.com/questions/3370328/multiple-mkoverlays-on-a-mkmapview-lead-to-memory-warnings 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 NSString.. 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 keyMarker if circle..
How to add data to UITableView? http://stackoverflow.com/questions/4022816/how-to-add-data-to-uitableview NSInteger tableView UITableView tableView numberOfRowsInSection NSInteger section Number of rows is the number of time zones in the region for the specified section. Region region regions objectAtIndex section return region.timeZoneWrappers count..
How to grab the NEXT fire date from a UILocalNotification object http://stackoverflow.com/questions/4301184/how-to-grab-the-next-fire-date-from-a-uilocalnotification-object a property but rather calculated from fireDate and repeatInterval . Date calculating can be tricky with different time zones and other nasty things. In your example you have chosen a daily repeat and to calculate the next fire date you can do something..
Figure out time by latitude/longitude? http://stackoverflow.com/questions/4632100/figure-out-time-by-latitude-longitude lat lon pair Thanks in advance. iphone objective c cocoa touch time share improve this question Unfortunately timezones and time in general is never as simple as you would like. For a simple approximation you can follow jer's suggestion. Longitude.. 180 to 180 degrees there are 24 hours in a day so you get 15 degrees of longitude per time zone. Center those time zones on 0 degrees longitude so UTC extends from 7.5 to 7.5 UTC 1 is from 7.5 to 22.5 UTC 1 is from 7.5 to 22.5 and so on. You.. to 22.5 UTC 1 is from 7.5 to 22.5 and so on. You would then have a very simplistic and wrong model of how we use time zones. Take a look at this map of time zones . Time zones are not well ordered regions in UTC 1 are adjacent to regions in UTC..
How do I create the current date (or any date) as an NSDate without hours, minutes and seconds? http://stackoverflow.com/questions/4832536/how-do-i-create-the-current-date-or-any-date-as-an-nsdate-without-hours-minut an entire day like 2011 01 28 it will always be 2011 01 28 00 00 00 00 00 . That implies that you have to take time zones into account as well. Here is a method to be implemented as an NSDate category that returns an NSDate at midnight UTC on..
Wrong time from NSDateFormatter http://stackoverflow.com/questions/5466419/wrong-time-from-nsdateformatter to be 8 38 PM but instead I get 12 38 PM. I just want to get the same hour out that I put it and not bother w any time zones or locales. What am I doing wrong here Thanks. iphone objective c parsing date nsdateformatter share improve this question.. objective c parsing date nsdateformatter share improve this question Found the problem. Had nothing to do with timezones and everything to do with using the wrong formatting codes for the date formatter. inFormat setDateFormat @ MMM dd yyyy..
How to detect a circle motion with UIGestureRecognizer http://stackoverflow.com/questions/5842080/how-to-detect-a-circle-motion-with-uigesturerecognizer a touch down draw circle touch up in other words single motion One approach would be to define a bunch of rectangular zones along the circumference and detect if the user is touching these in sequence. This can provide you with direction and a..
http://stackoverflow.com/questions/7362199/iphone-correct-way-for-getting-current-date-and-time-for-a-given-place-timez date object representing the current date and time no matter where you are. NSDate s are not subject to places or time zones. There is just one NSDate that represents now or any other moment for that matter not different date objects for every time.. not different date objects for every time timezone. Therefore you should not attempt to convert a date between time zones. NSDate objects represent an absolute instant in time. Consider the following example of how two date representations in.. an absolute instant in time. Consider the following example of how two date representations in different time zones 9 9 11 3 54 PM in Paris and 9 9 11 11 54 PM in Sydney are actually the same date. NSDateFormatter formatter NSDateFormatter..
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