redraw a custom uiview when changing a device orientation...

Spring, Run task once when application started...

Cannot convert Double to expected argument type CGFloat...

Bordered UITextView...

Apply gradient on a UIView not working...

Adding quartzcore to Xcode 4 for iOS...

Rendering animated CALayer off-screen using CARenderer with MTLTexture...

CATextLayer position and Transformation issue...

How to make a circular UIView...

How to draw radial gradients in a CALayer?...

Make an UIImage from a CMSampleBuffer...

How to add a shadow effect for UINavigation bar...

How can I get all text from a PDF in Swift?...

Custom circular transition between two views...

Customize UITextfield of the UISearchbar - iOS...

CALayer with transparent hole in it...

Multiple Drop Shadows on Single View iOS...

Animate objects when UIScrollView scrolls...

How to make a CAGradientLayer follow a CGPath...

QuartzCore PDFKit...

color replacement in image for iphone application...

append arrowhead to UIBezierPath...

How to append arrow head to UIBezierPath...

Twitter-like UITableView design...

UITextView returns inaccurate origin before text is inserted...

Smooth line after zooming...

cancel a UIView animateWithDuration before completion...

Recognizing touch events only inside the masked view...

How to format elapsedTime start at 00:00:00 instead of the default 07:00:00 in Swift...

Creating a CGImageDestinationRef with CGImageDestinationCreateWithURL in C++ returns NULL...