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Swift alert view with OK and Cancel: which button tapped?
...and I'd like to determine which button the user selected (it is a confirmation dialog) to do nothing or to execute something.
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Cast Object to Generic Type for returning
...eturn value of a method?
I tried this way but it gave a compile time exception in "instanceof" part:
3 Answers
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Get the POST request body from HttpServletRequest
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I prefer this solution due to it's a pure Java without any 3rd party dependency.
– lu_ko
Aug 31 '16 at 13:32
51
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How can I convert my device token (NSData) into an NSString?
I am implementing push notifications. I'd like to save my APNS Token as a String.
29 Answers
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How to write asynchronous functions for Node.js
I've tried to research on how exactly asynchronous functions should be written. After a lot of plowing through a lot of documentation, it's still unclear to me.
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Storyboard doesn't contain a view controller with identifier
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Just for future reference:
I'm developing on iOS 6 using Storyboards.
I was having the same issue, but I could not find the "Identifier" field in the inspector.
Instead, just set the field named "Storyboard ID" to what you would name the Identifier. This field can be f...
Why does viewWillAppear not get called when an app comes back from the background?
...ear should be taken in the context of what is going on in your own application, and not in the context of your application being placed in the foreground when you switch back to it from another app.
In other words, if someone looks at another application or takes a phone call, then switches back to...
Understand convertRect:toView:, convertRect:FromView:, convertPoint:toView: and convertPoint:fromVie
I'm trying to understand the functionalities of these methods. Could you provide me a simple usecase to understand theirs semantics?
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When to use PNG or JPG in iPhone development?
...display.
JPG's are smaller to store, but lossy (amount depends on compression level), and to display them requires a much more complicated decoding algorithm. But the typical compression and image quality is usually quite sufficient for photos.
Use JPG's for photos and for anything large, and PNG...
Difference between single quotes and double quotes in Javascript [duplicate]
... only difference between double quotes and single quotes is the interpretation of variable inside a string and the treatment of escape characters.
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