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Java, How do I get current index/key in “for each” loop [duplicate]
In Java, How do I get the current index for the element in Java?
7 Answers
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Exit codes in Python
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What you're looking for in the script is calls to sys.exit(). The argument to that method is returned to the environment as the exit code.
It's fairly likely that the script is never calling the exit method, and that 0 is the default exit code...
What's the absurd function in Data.Void useful for?
...skell is non strict. The general use case is to handle impossible paths. For example
simple :: Either Void a -> a
simple (Left x) = absurd x
simple (Right y) = y
This turns out to be somewhat useful. Consider a simple type for Pipes
data Pipe a b r
= Pure r
| Await (a -> Pipe a b r)...
Update just one gem with bundler
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bundle update gem-name [--major|--patch|--minor]
This also works for dependencies.
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Checking for an empty field with MySQL
I've wrote a query to check for users with certain criteria, one being they have an email address.
7 Answers
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Why is UICollectionViewCell's outlet nil?
...calling self.collectionView.registerClass(LeftMenuCollectionViewCell.self, forCellWithReuseIdentifier: "ls") again. If you are using a storyboard you don't want to call this. It will overwrite what you have in your storyboard.
If you still have the problem check wether reuseIdentifier is same in de...
Opposite of %in%: exclude rows with values specified in a vector
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Negate worked for me when used after defining the new operator, as suggested by baptiste, e.g. subset(df, variable %ni% c("A", "B")) , but not when used directly, e.g. subset(df, variable Negate("%in%") c("A", "B"))
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How to check what user php is running as?
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Very clever cross platform solution. Boh!
– Matt Fletcher
May 23 '14 at 15:51
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What is the difference between pull and clone in git?
...epository into a newly created directory, creates remote-tracking branches for each branch in the cloned repository (visible using git branch -r), and creates and checks out an initial branch that is forked from the cloned repository's currently active branch.
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Sending an Intent to browser to open specific URL [duplicate]
...String If any special characters or spaces. then It will work awesome.For Example : String query="For martin Luther King"; query=URLEncoder.encode(query); String url="en.wikipedia.org/wiki/Special:Search?search="+query; Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(ur...