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Using Java 8's Optional with Stream::flatMap
...olve(t)))
.findFirst();
COMMENTARY
Let's compare the original vs modified versions directly:
// original
.flatMap(o -> o.isPresent() ? Stream.of(o.get()) : Stream.empty())
// modified
.flatMap(o -> o.map(Stream::of).orElseGet(Stream::empty))
The original is a straightforward i...
In what areas might the use of F# be more appropriate than C#? [closed]
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community wiki
3 revs, 2 users 97%simon cousins
18
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Cartesian product of x and y array points into single array of 2D points
...rays of the same size.
– tlnagy
Jul 27 '15 at 18:35
3
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Changing the background drawable of the searchview widget
...s. However, there's a difference in 9-patches for default state (see Light vs Dark). So, probably there's no need to make local copies of 9-patches for selected state, for both Dark and Light themes (assuming that you want to handle both, and make them both look the same as in Holo Theme). Simply ma...
What's the difference between an inverted index and a plain old index?
...and right, then you'd have the same issue figuring out what a "right turn" vs a "left turn" is since the agreed upon meaning had changed. However, the naming is arbitrary, so which one is which (in and of itself) doesn't matter - what matters is that we all agree on the meaning.
In your comment whe...
HTML5 Canvas Resize (Downscale) Image High Quality?
...chemist/kpQyE/3
– GameAlchemist
Nov 27 '13 at 19:00
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show 25 more comments
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What is the C runtime library?
...ntime library functions:
http://msdn.microsoft.com/en-us/library/2aza74he(VS.71).aspx
The exact list of functions would vary depending on compiler, so for iOS you would get other functions like dispatch_async() or NSLog().
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Why do we need virtual functions in C++?
... @David天宇Wong I think virtual introduces some dynamic binding vs static and yes it is weird if you 're coming from languages like Java.
– peterchaula
Aug 6 '16 at 15:18
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Difference between array_map, array_walk and array_filter
...r the iteration of data and is normally used to "change" the data in-place vs returning a new "changed" array.
array_filter is really an application of array_walk (or array_reduce) and it more-or-less just provided for convenience.
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How can I determine whether a 2D Point is within a Polygon?
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answered May 27 '10 at 16:08
nirgnirg
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