2014/10/15 下午 10:11:16

iphone Programming Glossary: manipulations

http://stackoverflow.com/questions/1190270/mkmapview-refresh-after-pin-moves

A custom AnnotationView is updated with new coordinates. But the problem is that it visually updates only after some manipulations with MKMapView e.g. zooming or moving. What should I do to manually update visual position on a map PS. I've tried to change..

iPhone, CGPDFDocument - PDF links

http://stackoverflow.com/questions/3257057/iphone-cgpdfdocument-pdf-links

transform. CGContextConcatCTM context pdfTransform Finally we draw the page and restore the graphics state for further manipulations CGContextDrawPDFPage context page CGContextRestoreGState context As I understand its only drawing so all structure navigation..

Why does Javascript run so slow on iPhone?

http://stackoverflow.com/questions/3307732/why-does-javascript-run-so-slow-on-iphone

slow but the DOM is very slow. I think it is the same as a desktop browser but magnified. I would check first all DOM manipulations if they can't be optimized. Another option is to use a templating engine. The main DOM manipulations are done through innerHTML.. first all DOM manipulations if they can't be optimized. Another option is to use a templating engine. The main DOM manipulations are done through innerHTML injection which is fast even on mobiles. We've built a mobile version of our web app and we use..

How to make a CATransform3dMakeRotation rotate the other way? And chain together

http://stackoverflow.com/questions/3799194/how-to-make-a-catransform3dmakerotation-rotate-the-other-way-and-chain-together

CoreGraphics for retina display

http://stackoverflow.com/questions/4707465/coregraphics-for-retina-display

for retina display I am using the following code to perform some manipulations on the image that I loaded but I find that the display becomes blurry when it is on the retina display UIImage createImageSection..

CATransform3D vs. CGAffineTransform?

http://stackoverflow.com/questions/567829/catransform3d-vs-cgaffinetransform

UIViews and other 2 D Core Graphics elements. CATransform3D is a Core Animation structure that can do more complex 3 D manipulations of CALayers. CATransform3D has the same internal structure as an OpenGL model view matrix which makes sense when you realize..