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Declaring variables inside or outside of a loop
...used outside of the while loop, otherwise you would not be asking the question, because declaring it inside the while loop would not be an option, since it would not compile.
So, since str is not used outside the loop, the smallest possible scope for str is within the while loop.
So, the answer is...
How do I detect that an iOS app is running on a jailbroken phone?
...installed and go by that - something like
NSString *filePath = @"/Applications/Cydia.app";
if ([[NSFileManager defaultManager] fileExistsAtPath:filePath])
{
// do something useful
}
For hacked kernels, it's a little (lot) more involved.
...
Can we open pdf file using UIWebView on iOS?
....addSubview(webView)
Or if you have a PDF file bundled with your application (in this example named "document.pdf"):
Objective-C
UIWebView *webView = [[UIWebView alloc] initWithFrame:CGRectMake(10, 10, 200, 200)];
NSURL *targetURL = [[NSBundle mainBundle] URLForResource:@"document" withExtensio...
Using Core Data, iCloud and CloudKit for syncing and backup and how it works together
...he app will not store any files just data in a database. It is going to be iOS 8 and up so I am able to use CloudKit. I did some research and still not clear on how Core Data, iCloud and CloudKit work together.
...
How to write a multidimensional array to a text file?
In another question, other users offered some help if I could supply the array I was having trouble with. However, I even fail at a basic I/O task, such as writing an array to a file.
...
Which iOS app version/build number(s) MUST be incremented upon App Store release?
Version/build fields for an iOS app include:
10 Answers
10
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Include an SVG (hosted on GitHub) in MarkDown
...ither  or  , but I am having difficulty placing an SVG in MD where the code is hosted on GitHub.
...
NSOperation vs Grand Central Dispatch
I'm learning about concurrent programming for iOS. So far I've read about NSOperation/NSOperationQueue and GCD . What are the reasons for using NSOperationQueue over GCD and vice versa?
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Rename a file using Java
...
Copied from http://exampledepot.8waytrips.com/egs/java.io/RenameFile.html
// File (or directory) with old name
File file = new File("oldname");
// File (or directory) with new name
File file2 = new File("newname");
if (file2.exists())
throw new java.io.IOException("file exi...
Rename a file in C#
...
Take a look at System.IO.File.Move, "move" the file to a new name.
System.IO.File.Move("oldfilename", "newfilename");
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