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Functional style of Java 8's Optional.ifPresent and if-not-Present?
In Java 8, I want to do something to an Optional object if it is present, and do another thing if it is not present.
12 A...
What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?
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answered Feb 8 '11 at 9:29
trojanfoetrojanfoe
114k1818 gold badges188188 silver badges226226 bronze badges
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How to install a specific version of a ruby gem?
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1182
Use the -v flag:
$ gem install fog -v 1.8
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Predicate in Java
... 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 rest of t...
Python None comparison: should I use “is” or ==?
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edited Oct 27 '14 at 18:55
answered Jan 9 '13 at 22:08
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How to get multiple counts with one SQL query?
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Chad
6831010 silver badges2626 bronze badges
answered Oct 8 '12 at 21:07
Taryn♦Taryn
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Why are `private val` and `private final val` different?
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82
So, this is just a guess, but it was a perennial annoyance in Java that final static variables ...
Transfer git repositories from GitLab to GitHub - can we, how to and pitfalls (if any)?
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218
You can transfer those (simply by adding a remote to a GitHub repo and by pushing them)
create...