2014/10/15 下午 10:13:39

iphone Programming Glossary: savings

Using core plot for iPhone, drawing date on x axis

http://stackoverflow.com/questions/2998398/using-core-plot-for-iphone-drawing-date-on-x-axis

the view from its nib. If you make sure your dates are calculated at noon you shouldn't have to worry about daylight savings. If you use midnight you will have to adjust for daylight savings time. NSDate refDate NSDate dateWithTimeIntervalSinceReferenceDate.. at noon you shouldn't have to worry about daylight savings. If you use midnight you will have to adjust for daylight savings time. NSDate refDate NSDate dateWithTimeIntervalSinceReferenceDate 31556926 10 NSTimeInterval oneDay 24 60 60 Invert graph..

Are there any huge differences between objective-c and Java, or iPhone and Android?

http://stackoverflow.com/questions/3326110/are-there-any-huge-differences-between-objective-c-and-java-or-iphone-and-andro

Yeah it sounds neat but usually you get 90 what you want easily and then you hit a roadblock that destroys all the savings you made and then starts putting you in the hole. There are simply to many compromises and square pegs jammed into round..

iphone UIDatePicker showing wrong date in Central Timezone

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

displays Today 6 37 PM . Just wondering if anyone out there has seen this before. It looks like a timezone or daylight savings problem but I can't seem to track it down. Any help would be appreciated. edit I did some more testing with this and it..

How to calculate time in hours between two dates in iOS

http://stackoverflow.com/questions/4084341/how-to-calculate-time-in-hours-between-two-dates-in-ios

Figure out time by latitude/longitude?

http://stackoverflow.com/questions/4632100/figure-out-time-by-latitude-longitude

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

NSDate date which add hours minutes and seconds. Also I'm adding months to dates which I think caters for day light savings as I get 2300 hours on some dates. So ideally I need a function to create absolute NSDates from NSDates. I know I asked..

The term “Context” in programming?

http://stackoverflow.com/questions/6145091/the-term-context-in-programming

to move the transaction forward. They may then ask you which account you'd like to withdraw from. When you answer My savings account that's even more context . The more context you give the more knowledge the other party has to help deal with your..

Return NSArray from NSDictionary

http://stackoverflow.com/questions/6481504/return-nsarray-from-nsdictionary

directly ie NSDate date startDate as the first iterating date then times would go up and down based on daylight savings. NSDateComponents comp cal components NSMonthCalendarUnit NSMinuteCalendarUnit NSYearCalendarUnit NSDayCalendarUnit NSWeekdayCalendarUnit..

Why NSDate is reporting the wrong date?

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

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 next day in UTC. The usual..

iPhone GPS - Battery Draining Extremely Fast

http://stackoverflow.com/questions/8689626/iphone-gps-battery-draining-extremely-fast

less frequent updates and significantly lower power usage. It also describes the service as providing tremendous power savings so it seems the right tool for the job you describe. Of course if you're also using the standard location updating mechanism.. Of course if you're also using the standard location updating mechanism at the same time you won't see that power savings so make sure you're not using both. Ideally we want to trigger GPS every 20 minutes if there is no location change then..