2014/10/15 下午 10:03:56

iphone Programming Glossary: arise

UITableView Drawing Problems When ReloadData Is Called

http://stackoverflow.com/questions/1037508/uitableview-drawing-problems-when-reloaddata-is-called

http://stackoverflow.com/questions/1998916/creating-a-mobile-version-of-a-website

it as you want. Creating a separate mobile version of the site can be painstakingly difficult to maintain when changes arise. The iPhone and Android simulators are as close as it gets to the real deal. The iPhone won't let you do stuff like make..

Slicing up a UIImage on iPhone

http://stackoverflow.com/questions/248667/slicing-up-a-uiimage-on-iphone

CGImageCreateWithImageInRect finalImage CGRectMake 0 0 320 320 In both cases the display worked. The problems only arise when I attempt to slice out some part of the image. iphone objective c cocoa touch image manipulation share improve this..

Getting displacement from accelerometer data with Core Motion

http://stackoverflow.com/questions/4449565/getting-displacement-from-accelerometer-data-with-core-motion

mat.m12 mat.m22 mat.m32 0 mat.m13 mat.m23 mat.m33 0 0 0 0 1 glMultMatrixf rotMat This works really well. More problems arise anyway when I try to find the displacement in space during an acceleration. The Apple Teapot example with Core Motion just..

What are the Dangers of Method Swizzling in Objective C?

http://stackoverflow.com/questions/5339276/what-are-the-dangers-of-method-swizzling-in-objective-c

it this way... if you override a method in a class and you don't call the super class method you may cause problems to arise. In most cases the super class is expecting that method to be called unless documented otherwise . If you apply this same..

IOS: dynamic height with a custom uitableviewcell

http://stackoverflow.com/questions/7128215/ios-dynamic-height-with-a-custom-uitableviewcell

unlike its variants doesn't cause any scrolling. See stackoverflow question and answer for useful background. Problems arise if you have to do a lot of work to calculate heights and you have hundreds or thousands of rows. In one use case I have..

Need some help understanding transient properties in Core Data

http://stackoverflow.com/questions/7504391/need-some-help-understanding-transient-properties-in-core-data

a transient property and everything is working fine. I'm just wondering if there is some unusual condition that could arise that would cause a bug if I don't declare a transient property. I think I read transient properties are needed to get proper..