2014/10/15 下午 10:08:34

iphone Programming Glossary: exceeds

http://stackoverflow.com/questions/11173605/detecting-a-clap-in-ios

energy of each section Take the ratio of the energies between the previous window and the current window If the ratio exceeds some threshold determine that there was a sudden loud noise. I am not sure how to accomplish this in Objective C. I have..

weird index 2 beyond bounds for empty array error

http://stackoverflow.com/questions/11247198/weird-index-2-beyond-bounds-for-empty-array-error

inside the activity. the indexes of the activities are always from 0 on that means that none of the indexes exceeds trainSession.activities.count 1. i do the sorting by allocating a NSMutableArray with the appropriate capacity and then..

Large UICollectionViewCell stopped being displayed when scrolling

http://stackoverflow.com/questions/14254222/large-uicollectionviewcell-stopped-being-displayed-when-scrolling

1.f on 3 5 inch displays 1136.f 1.f on 4 inch . What exactly happens When the scrolling offset of the collection view exceeds cell.frame.origin.y displayHeightOfHardware the cells hidden property is set to YES and collectionView didEndDisplayingCell..

How to add an UIViewController's view as subview

http://stackoverflow.com/questions/1486832/how-to-add-an-uiviewcontrollers-view-as-subview

of the buttons I initialize another viewcontroller and show it's view as the subview of this view. However the subview exceeds the bounds of the frame for subview and infact fills the entire screen. What could be wrong I presume the problem is that..

Detecting Acceleration in a car (iPhone Accelerometer)

http://stackoverflow.com/questions/2733249/detecting-acceleration-in-a-car-iphone-accelerometer

should. The difficult part is actually the detection of the forward vector. I am selecting vectors whose magnitude exceeds gravity and from there averaging them and subtracting gravity. I am doing some error checking to make sure that I am not..

iPhone: Detecting user inactivity/idle time since last screen touch

http://stackoverflow.com/questions/273450/iphone-detecting-user-inactivity-idle-time-since-last-screen-touch

.idleTimeElapsed Then I could set up a timer and periodically check this value and take some action when it exceeds a threshold. Hopefully that explains what I'm looking for. Has anyone tackled this issue already or have any thoughts on..

iPhone - How to build a roulette like wheel?

http://stackoverflow.com/questions/3802671/iphone-how-to-build-a-roulette-like-wheel

moves. Snapping the wheel for a ratchet effect at its simplest requires the delta angle to be clamped to zero until it exceeds a certain threshold. Of course if you want the ratchet effect to look very realistic with proper acceleration and deceleration..

Why would only some devices be receiving push notifications

http://stackoverflow.com/questions/4141290/why-would-only-some-devices-be-receiving-push-notifications

already made by others here's a checklist of things to consider when pushes don't work. If your total push packet exceeds 256 bytes including the initial header token and JSON payload APNS will simply drop it. If you are not using the advanced..