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Swift performSelector:withObject:afterDelay: is unavailable [duplicate]
I have an app in Objective C that I'm transitioning to Swift. In Objective C, I have this method:
3 Answers
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Check empty string in Swift?
...isEmpty {
print("Nothing to see here")
}
Apple Pre-release documentation: "Strings and Characters".
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What's a Good Javascript Time Picker? [closed]
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This one is far better: weareoutman.github.io/clockpicker
– Stefan Steiger
Apr 19 '16 at 15:17
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Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
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NSLog(@"%@", NSStringFromCGPoint(cgPoint));
There are a number of functions provided by UIKit that convert the various CG structs into NSStrings. The reason it doesn't work is because %@ signifies an object. A CGPoint is a C struct (and so are CGRects and CGSizes).
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UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
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The error is because there is some non-ascii character in the dictionary and it can't be encoded/decoded. One simple way to avoid this error is to encode such strings with encode() function as follows (if a is the string with non-ascii character):
a.encode('utf-8').strip()
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Adding a newline into a string in C#
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But I need to write this information in a text file like this fkdfdsfdflkdkfk@ dfsdfjk72388389@ kdkfkdfkkl@ jkdjkfjd@ jjjk@ The New line character is not effective in the text file.
– balaweblog
Oct 22 '08 at 4:08
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How to copy a directory using Ant
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I gather that the idea of SO is collective curation, which is why anyone can edit someone else's question (though you need a lot of rep to skip the edit review).
– Andrew Spencer
Oct 10 '13 at 11:23
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Failed to build gem native extension (installing Compass)
When I attempt to install the latest version of compass ( https://rubygems.org/gems/compass/versions/1.0.0.alpha.17 ), I get the following error.
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How to detect when a UIScrollView has finished scrolling
...elegate methods scrollViewDidScroll: and scrollViewDidEndScrollingAnimation: but neither of these tell you when scrolling has completed. scrollViewDidScroll only notifies you that the scroll view did scroll not that it has finished scrolling.
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What is the default text size on Android?
...f the button to e.g. 18sp, and use 18 in my view. But for a better integration, I simply would like to know, what text size is "normal" for buttons. From my test, it should be something like 12sp, but I have not found any documentation on this.
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