2014/10/15 下午 10:07:11

iphone Programming Glossary: division

NSFetchedResultsController with sections created by first letter of a string

http://stackoverflow.com/questions/1112521/nsfetchedresultscontroller-with-sections-created-by-first-letter-of-a-string

Book. I could go in and create another attribute i.e. a single letter for each person in order to act as the section division but this seems kludgy. Here's what I'm starting with ... the trick seems to be fooling the sectionNameKeyPath NSFetchedResultsController..

viewDidLoad is in fact called every time there is a segue transition

http://stackoverflow.com/questions/11969452/viewdidload-is-in-fact-called-every-time-there-is-a-segue-transition

find contradicts this When is viewDidLoad called UIViewController. viewDidLoad vs. viewWillAppear What is the proper division of labor http www.manning sandbox.com thread.jspa threadID 41506 And apples own documentation indicate that a view is only..

UIViewController. viewDidLoad vs. viewWillAppear: What is the proper division of labor?

http://stackoverflow.com/questions/1579550/uiviewcontroller-viewdidload-vs-viewwillappear-what-is-the-proper-division-of

viewDidLoad vs. viewWillAppear What is the proper division of labor I have always been a bit unclear on the type of tasks that should be assigned to viewDidLoad vs. viewWillAppear..

How to setup a predicate for this query

http://stackoverflow.com/questions/1580236/how-to-setup-a-predicate-for-this-query

a SQL query it'd be something like this select from Employee e where e.groupId in select from Group g where g.divisionId divisionId I tried this but didn't work Create the fetch request for the entity. NSFetchRequest fetchRequest NSFetchRequest.. SQL query it'd be something like this select from Employee e where e.groupId in select from Group g where g.divisionId divisionId I tried this but didn't work Create the fetch request for the entity. NSFetchRequest fetchRequest NSFetchRequest alloc.. @interface Group NSManagedObject @property nonatomic retain NSDate createDateTime @property nonatomic retain Division division @property nonatomic retain NSSet employees @end @interface Employee NSManagedObject @property nonatomic retain NSDate createDateTime..

What is -[UITableViewDelegate willDisplayCell:forRowAtIndexPath:] for?

http://stackoverflow.com/questions/1890265/what-is-uitableviewdelegate-willdisplaycellforrowatindexpath-for

method. That also seems like an appropriate place to do cell configuration. My question is what's the appropriate division of labor between these two methods What should I do in one vs. the other iphone uitableview share improve this question..

Using quaternion instead of roll, pitch and yaw to track device motion

http://stackoverflow.com/questions/19239482/using-quaternion-instead-of-roll-pitch-and-yaw-to-track-device-motion

.m and QuaternionOperation.m from trunk . Now the basic considerations The difference or sometimes stated as division between two quaternions being defined as the angular displacement from one orientation to another might be the way to go...

Multiple view controllers on screen at once?

http://stackoverflow.com/questions/2423858/multiple-view-controllers-on-screen-at-once

A composed of smaller views controlled by their own controllers say B . I 羮 like to have it this way because the division makes the code much cleaner. What 䏭 bad is that the additional controllers of type B are not 𠨑irst class citizens on the..

UITableView crash gives 'CALayerInvalidGeometry', reason: 'CALayer position contains NaN: [160 nan]'

http://stackoverflow.com/questions/4820681/uitableview-crash-gives-calayerinvalidgeometry-reason-calayer-position-cont

of the table. It do not give any crash. But it still gives the error mentioned above. I check to see where can the division by 0 can occur in my code but i couldnt find any. Following the stack trace i fond. So i cannot even check where this exception..

NSTimeInterval to HH:mm:ss?

http://stackoverflow.com/questions/4933075/nstimeinterval-to-hhmmss

iphone objective c cocoa touch share improve this question No need to use NSDateFormatter or anything else than division and modulo. NSTimeInterval is just a double containing seconds NSString stringFromTimeInterval NSTimeInterval interval NSInteger..

Help parsing a nested JSON object

http://stackoverflow.com/questions/5129665/help-parsing-a-nested-json-object

deal_images deal 85 for 300 babyface facial at park avenue medspa 1294920769_small_image.jpg division slug new york name New York active 1 time_zone_diff 4 lat 40.7142690000000000 lon 74.0059730000000000 url http yipit.com..

Convert decimal to fraction in Objective-C?

http://stackoverflow.com/questions/5552537/convert-decimal-to-fraction-in-objective-c

long t t m 0 0 ai m 0 1 m 0 1 m 0 0 m 0 0 t t m 1 0 ai m 1 1 m 1 1 m 1 0 m 1 0 t if realNumber double ai AF division by zero break realNumber 1 realNumber double ai if realNumber double 0x7FFFFFFF AF representation failure break ai maxDenominator..

Using [UIColor colorWithRed: green: blue: alpha:] does't work with UITableView seperatorColor?

http://stackoverflow.com/questions/5641523/using-uicolor-colorwithred-green-blue-alpha-doest-work-with-uitableview-s

I hardly ever use values between 1.0 and 0.0 I created a very simple UIColor category that does the messy looking division by itself from http github.com Jon889 JPGeneral .h file @interface UIColor JPExtras UIColor colorWithR CGFloat red G CGFloat..

laying out images in UIScrollView automatically

http://stackoverflow.com/questions/6488169/laying-out-images-in-uiscrollview-automatically

and if I am on the third I need to add it twice. To do this I use the modulus operator. It gives me the remainder of a division operation so when I say imageNumber numPerRow I am asking for the remainder of imageNumber numPerRow. If I am on the first..

How to setup a predicate for this query

http://stackoverflow.com/questions/1580236/how-to-setup-a-predicate-for-this-query

to setup a predicate for this query I have an 3 object hierarchy which has a root as 'Division' that has many 'Group' items and each 'Group' has many 'Employees'. Division 1 Group Group 1 Employee I would like to know.. 3 object hierarchy which has a root as 'Division' that has many 'Group' items and each 'Group' has many 'Employees'. Division 1 Group Group 1 Employee I would like to know how to create an NSPredicate to search for all Employees of all Groups of.. 1 Employee I would like to know how to create an NSPredicate to search for all Employees of all Groups of a specific Division sorted by creation date time and sectioned in by their 'Group' using the 'Employee' object as the request entity and knowing..