2014/10/15 下午 10:03:59

iphone Programming Glossary: arrows

ARC Semantic Issue: No visible @interface for Class declares the selector

http://stackoverflow.com/questions/16431902/arc-semantic-issue-no-visible-interface-for-class-declares-the-selector

that means Xcode is still pulling the old copies of the files from the previous revision of your project. See the blue arrows where the project name is 13SampleMoreRequests in my case. If this name is same as your project name then my answer does..

Drawing triangle/arrow on a line with CGContext

http://stackoverflow.com/questions/2500197/drawing-triangle-arrow-on-a-line-with-cgcontext

siny paints a line along the current path CGContextStrokePath context here is the tough part actually drawing the arrows a total of 6 lines drawn to make the arrow shape CGContextMoveToPoint context from.x from.y CGContextAddLineToPoint context..

iPhone Dev: Animating PNG Sequences

http://stackoverflow.com/questions/2734669/iphone-dev-animating-png-sequences

has something. @lessfame iphone objective c xcode oop animation share improve this question Example to animate arrows UIImage img1 UIImage imageNamed @ fleche1.png UIImage img2 UIImage imageNamed @ fleche2.png NSArray images NSArray arrayWithObjects..

How to customize the background color of a UITableViewCell?

http://stackoverflow.com/questions/281515/how-to-customize-the-background-color-of-a-uitableviewcell

iPhone Simulator 3.x not listed after upgrading to XCode 3.2.3 Beta4 with OS 4.0

http://stackoverflow.com/questions/2932129/iphone-simulator-3-x-not-listed-after-upgrading-to-xcode-3-2-3-beta4-with-os-4-0

to install to another folder is a bit hard to notice when installing the sdk but the trick is to hit the up down arrows by the default directory on the 'Installation Type' step. After hitting them it will allow you to choose a different directory...

How to determine the collision of a circle with a rectangle?

http://stackoverflow.com/questions/8029372/how-to-determine-the-collision-of-a-circle-with-a-rectangle

Then you can implement Joshua's suggestion of circle vs. circle collision tests. An alternative for very thin arrows would be to assume the arrow to be a line then you can work with a reasonably simple line circle intersection test . share..