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Warning: push.default is unset; its implicit value is changing in Git 2.0
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It's explained in great detail in the docs, but I'll try to summarize:
matching means git p...
Scala @ operator
...variable. Consider the following, for instance:
val o: Option[Int] = Some(2)
You can easily extract the content:
o match {
case Some(x) => println(x)
case None =>
}
But what if you wanted not the content of Some, but the option itself? That would be accomplished with this:
o match {...
Move an array element from one array position to another
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dynamically add and remove view to viewpager
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After figuring out which ViewPager methods are called by ViewPager and which are for other pur...
mongodb group values by multiple fields
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TLDR Summary
In modern MongoDB releases you can brute force this with $slice just off the bas...
How can I remove a specific item from an array?
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Sort a list by multiple attributes?
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A key can be a function that returns a tuple:
s = sorted(s, key = lambda x: (x[1], x[2]))
Or...
How to reverse a singly linked list using only two pointers?
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How to read a large file - line by line?
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The correct, fully Pythonic way to read a file is the following:
with open(...) as f:
for...
How can I get a list of locally installed Python modules?
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+100
Solutio...