objective-c
How can I add horizontal lines to a BarPlot
I want to know how could I add Horizontal lines to each bar of a barPlot with different values. I want to let the customer know what is the expected value with an horizo开发者_StackOverflowntal line[详细]
2023-04-13 04:48 分类:问答Editing root.plist as source code results in corrupted plist
I am just starting to work with preference files and I started having problems immediately when editing the root.plist in my settings bundle. My XCode 4 crashes every time I add a property to the plis[详细]
2023-04-13 04:47 分类:问答How does Apple want us to set up our table view cells?
I was told by someone helping me out with some code the other day that Apple wants developers to use tableView:willDisplayCell:forRowAtIndexPath: for setti开发者_如何转开发ng up the custom cells, inst[详细]
2023-04-13 04:38 分类:问答xcode init controller with data
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[详细]
2023-04-13 04:35 分类:问答Xcode debugger - why can you only step through so far into Apple framework code?
I am used to setting breakpoints in my obj-c code in Xcode and then stepping into/out of my methods, but I don\'t fully understand what happens when I find myself stepping through Apple framework code[详细]
2023-04-13 04:31 分类:问答NSMutableURLRequest with multiple headers
I\'m trying to create a synchronous REST request to an API. The API uses HTTP Basic authentication, so in addition to sending an Accept: application/json header, I need to specify the Authorization he[详细]
2023-04-13 04:20 分类:问答How to check if a UIView is a subview of a parent view
I have an app which I add a subview to (and remove the same subview based on user interactions). I am looking for a way to check whether the subview is present or not at any given time.[详细]
2023-04-13 04:20 分类:问答Subclassing one of your own classes or using the same parent class?
In my application, I have a mainViewController that has a bunch of letter tile UIImageViews. You can pan 开发者_如何学Cthe letters around on this mainViewController to spell out words.[详细]
2023-04-13 04:19 分类:问答Using Objective-C, is there any way to compare two images and get a % difference value returned?
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[详细]
2023-04-13 04:16 分类:问答I am working on the codes to get location of user and get stuck
First please take a look at codes below CoreLocationController.h #import <Foundation/Foundation.h>[详细]
2023-04-13 04:11 分类:问答