¡@

Home 

2014/10/15 ¤U¤È 10:11:20

iphone Programming Glossary: median

Typical UDP latency on iPhone over 3G - are my numbers right?

http://stackoverflow.com/questions/17859732/typical-udp-latency-on-iphone-over-3g-are-my-numbers-right

Computer Packet size was around 10 bytes. In the first case roundtrip varied from 9 ms to 600 ms. Mostly I would see a median of around 300 ms but some runs would have only 30 ms. Second case... Best case 2000 ms moving up to 5000 ms. Implementation..

Using NSFetchedResultsController Without UITableView

http://stackoverflow.com/questions/3216685/using-nsfetchedresultscontroller-without-uitableview

requires that data to be sorted. In Apple's standard Department Employees example this would be like determining the median salary in a given Department. Whenever an Employee is added to or removed from that Department or an Employee's salary changes.. given Department. Whenever an Employee is added to or removed from that Department or an Employee's salary changes the median calculation would need to be performed again. Keeping data sorted and current and getting notifications when it changes..

How to find the median value of NSNumbers in an NSArray?

http://stackoverflow.com/questions/3250348/how-to-find-the-median-value-of-nsnumbers-in-an-nsarray

to find the median value of NSNumbers in an NSArray I'm trying to calculate the median of a small set of NSNumbers in an NSArray. Every object.. to find the median value of NSNumbers in an NSArray I'm trying to calculate the median of a small set of NSNumbers in an NSArray. Every object in the NSArray is a NSNumber. Here is what I'm trying but it's not.. in an NSArray. Every object in the NSArray is a NSNumber. Here is what I'm trying but it's not working NSNumber median smallNSArray valueForKeyPath @ @median.floatValue iphone objective c cocoa key value share improve this question NSArray..

Good way to calculate 'brightness' of UIImage?

http://stackoverflow.com/questions/3992790/good-way-to-calculate-brightness-of-uiimage

to generate a histogram for the red green and blue color channels and then use it to determine the average lightness median lightness black white points contrast or other custom functions. Use CGBitmapContextCreate to create a bitmap context backed..