I have a PDF file that contains several groups or layers of vector objects. When I open the document in Illustrator, these groups are listed in the layers pane开发者_如何学编程l. What I am trying to d
I have several of images with equal in their dimensions which I read their file paths from an xml. And I would like to place these images on iPhone screen programmatically. Up to here everything is fi
I would like to pass two strings from current view to userViewController when this one is initialized. Will be possible to init userViewController with, in my case开发者_运维问答, two strings? Sorry i
Using Objective-C, is there any way to compare two images and get a % difference value returned? For example, one image will have and X in it. Another image will have an X in it. And a third will ha
I\'m using RESTKit for a service that was created for me. The model in JSON for my user is: { \"api_key\" : \"123456\"
I bind the UITableview with NSMutableArray DataSource.I want to get selected NSMutableArray object when user select on tableview.I got the object but I can\'t access object properties and application
I need to save the contents of blogs loaded on the webview for offline reading. Does webview support caching and if it does, how much is the size it can cache? Currently I am loading the webview as fo
For better user experience I had the following in my code: if (allowLandscape) { return UIInterfaceOrientationIsLandscape(toInterfaceOrientation) || toInterfaceOrientation == UIInterfaceOrientationPo
I have created some textfields at the bottom that required users to entry. Is开发者_如何转开发 there any method that can push up the view automatically when the keyboard occur?See Apple\'s Moving Cont
I just converted my app to ARC, will the update 开发者_高级运维still work on devices that are running iOS 4?