大约有 5,213 项符合查询结果（耗时：0.0299秒） [XML]
How to change Navigation Bar color in iOS 7?
How do I change the Navigation Bar color in iOS 7?
18 Answers
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How can I convert a stack trace to a string?
What is the easiest way to convert the result of Throwable.getStackTrace() to a string that depicts the stacktrace?
31 An...
Long press on UITableView
I would like to handle a long press on a UITableViewCell to print a "quick access menu".
Did someone already do this?
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Repairing Postgresql after upgrading to OSX 10.7 Lion
I recently upgraded to OSX 10.7, at which point my rails installation completely borked when trying to connect to the psql server. When I do it from the command line using
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Fatal error: unexpectedly found nil while unwrapping an Optional values [duplicate]
I was using an UICollectionView in Swift but I get when I try to change the text of the cell's label.
13 Answers
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How to convert a string into double and vice versa?
I want to convert a string into a double and after doing some math on it, convert it back to a string.
12 Answers
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How to get rid of the 'undeclared selector' warning
I want to use a selector on an NSObject instance without the need for an implemented protocol. For example, there's a category method that should set an error property if the NSObject instance it's called on supports it. This is the code, and the code works as intended:
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How do I log errors and warnings into a file?
How do I turn on all error and warnings and log them to a file, but to set up all of that within the script (not changing anything in php.ini)?
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Min/Max of dates in an array?
How can I find out the min and the max date from an array of dates? Currently, I am creating an array like this:
11 Answers...
Zero-based month numbering [closed]
Some popular programming languages use month numbering which is off by 1 -- JavaScript comes to mind, as does Java, and if memory serves, C is another. I have some questions:
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