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How do you find the sum of all the numbers in an array in Java?
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271
In java-8 you can use streams:
int[] a = {10,20,30,40,50};
int sum = IntStream.of(a).sum();
Sys...
Automatically add newline at end of curl response body
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answered Jan 30 '13 at 21:32
David J.David J.
4,96611 gold badge1616 silver badges1414 bronze badges
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What is the formal difference in Scala between braces and parentheses, and when should they be used?
... if, and only if, the method expects a single parameter. For example:
List(1, 2, 3).reduceLeft{_ + _} // valid, single Function2[Int,Int] parameter
List{1, 2, 3}.reduceLeft(_ + _) // invalid, A* vararg parameter
However, there’s more you need to know to better grasp these rules.
Increased compil...
How do I do an initial push to a remote repository with Git?
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answered Feb 25 '10 at 20:27
Josh LindseyJosh Lindsey
7,22722 gold badges2121 silver badges2525 bronze badges
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Viewing full version tree in git
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81
You can try the following:
gitk --all
You can tell gitk what to display using anything that g...
Ruby custom error classes: inheritance of the message attribute
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121
raise already sets the message so you don't have to pass it to the constructor:
class MyCusto...
When to make a type non-movable in C++11?
...e would've asked this before, given the usefulness of move semantics in C++11:
4 Answers
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How do you track record relations in NoSQL?
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188
+50
All the...
What is the difference between save and export in Docker?
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174
The short answer is:
save will fetch an image : for a VM or a physical server, that would be...