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Scala: Nil vs List()
...rintln (Nil equals List())
true
scala> System.identityHashCode(Nil)
374527572
scala> System.identityHashCode(List())
374527572
Nil is more idiomatic and can be preferred in most cases.
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Having options in argparse with a dash
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edited Dec 24 '14 at 15:37
ron rothman
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answe...
Importing a Swift protocol in Objective-C class
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5 Answers
5
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RAW POST using cURL in PHP
...since '09?
– James
Oct 24 '13 at 13:50
1
This works for me, without specifying any HTTP header.
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Is module __file__ attribute absolute or relative?
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edited Nov 25 '17 at 22:42
Ioannis Filippidis
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How to use Bitbucket and GitHub at the same time for one project?
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edited Jan 30 '18 at 14:05
answered Oct 18 '12 at 18:42
De...
How to change a PG column to NULLABLE TRUE?
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edited May 21 '12 at 5:32
answered Jan 27 '11 at 5:30
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Docker EXPOSE a port only to Host
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145
Sure, just bind it to localhost, like this:
docker run -p 127.0.0.1:27017:27017
Also: Your...
Checking images for similarity with OpenCV
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SamSam
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Predicate in Java
...umbers like this:
List<Integer> numbers = Arrays.asList(1,2,3,4,5,6,7,8,9,10);
for (int number : numbers) {
if (isEven(number)) {
process(number);
}
}
With Predicate, the if test is abstracted out as a type. This allows it to interoperate with the res...