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Java: Best way to iterate through a Collection (here ArrayList)
...em.out.println(temp);
});
or
collection.forEach(System.out::println);
More information about Java 8 stream and collections for wonderers link
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vs in Generics
...d? Contravariance = in = allows less derived types to be used in place of more derived. / Covariance = out = allows more derived types to be used in place of less derived. Personally, looking at your diagram, I read it as the opposite of the that.
– Sam Shiles
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How to access SOAP services from iPhone
... right in his implementation, there are needs that go beyond best practive more often than not
– Anthony Main
Sep 3 '10 at 12:47
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How to get the nth element of a python list or a default if not available
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Custom events in jQuery?
...ub/sub system using jQuery’s trigger and bind methods.
The demo code is more obtuse than it need to be. The network detection object publishes ’status ‘events to the document which actively listens for them and in turn publishes ‘notify’ events to all subscribers (more on those later). Th...
What are file descriptors, explained in simple terms?
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Subversion stuck due to “previous operation has not finished”?
...run the Cleanup from Windows FileExplorer (with Turtoise) and it gave me a more elaborated error wich told me what was the file with the problem, somehow SVN lost that file, a darm *.cache file, so i took another .cache and rename it to replace the missing file, run the cleanup, no errors this thime...
IntelliJ IDEA generating serialVersionUID
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val-mutable versus var-immutable in Scala
...ncy.
On an object (a field), pretty much the same thing happens, but with more dire consequences. Either way the object will have state and, therefore, break referential transparency. But having a mutable collection means even the object itself might lose control of who's changing it.
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read subprocess stdout line by line
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The more pythonic test for an EOF, per the "Programming Recommendations" in PEP 8 (python.org/dev/peps/pep-0008), would be 'if not line:'.
– Jason Mock
Nov 13 '12 at 15:20
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