原文:How select value initally when picker view appear?
我在案文领域树立了一种 pick观,开始编辑职能,隐藏关键板。 现在的问题是,从小到小看看看,它就显示出第一价值的选择指标,但这种价值......
原文:Optimizing Code for MKMapView - Large Number of Annotations
我的表象显示UIMapView。 然后,我在本图中增加大量说明(800多个)。
原文:UITextfields blank after showing UIImagePickerController
我有一个表格,有两颗UIText Fields和一个纽州。 用户将价值输入这两个领域,然后点击 but子。 这表明了UIImagePickerController,以便他/她能够了解情况。 ......
原文:iOS 4 app crashes at startup on 3.1.3: Symbol not found: __NSConcreteStackBlock
My app is crashing on 3.1.3 because of this NSConcreteBlock error. I read the other post on this topic, and the answer was to weak link the libSystem.B.dylib. However, I am not including that library ...
原文:Is it possible to get CPTBarPlot s tip point value(CGPoint value)?
In the Vertical bar chart, I am using 1 or 2 plots to draw a CPTBarPlot. Now when user tap on on that BarPlot, I want to retrieve tip point of that CPTBarPlot in CGPoint value. Can anyone help on this?...
原文:Core Plot -[UIView setHostedGraph:]: unrecognized selector
我在经过数小时的研究和审判以及错误之后,确定了我的核心位置问题。
原文:New XCode Template Equivalents
在Pipe学习目标C的过程中,Im是目前最大的障碍,即大多数旧的教师都是以第5号决议为基础的。 总的说来,由于我不想要......,那是罚款的。
原文:Objective-C : is it possible to detect QR code data type?
我的确用Zxing编了q,现在我可以读到数据,但我想的是:
原文:Apple touch icon isn t showing up on the home screen
I m 采用以下代码为移动装置打上电解灯——它以html5个浮体/移动式样为基础:
原文:Keeping iPhone network connections alive while in inactive state?
我正在开发一个连接聊天服务器的聊天客户。 当我收到任何民意通知(例如,SMS电文)时,Peter将 app子带入不活动状态——是巨大的。 ......
原文:Is there a way to include an error description string in a crash report?
是否有办法在坠毁报告中列入错误描述? 我谈论通过“联通”发送的坠毁报告。 如果我能够判断坠毁的原因,那将是空洞的。
原文:Core Data iCloud sync between two apps (iPhone and iPad)
I submitted my first iPad app to apple a few days ago. In the meantime the iPhone version of it is almost ready. I would like to use iCloud to synchronize the core data model between both apps. Is it ...
原文:iCloud: How to read in directories created by the user
我想读到一份由用户或i± 移动文件目录中用户创建的所有名录清单(见Lion中“~/Library/Mobile Documents”下的目录)。 ......
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