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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...rList.foldLeft(0)(_ + _))
Took 2589.363031 milli seconds
reduce vs fold
Now this is where it gets a little closer to the FP / mathematical roots, and a little trickier to explain. Reduce is defined formally as part of the MapReduce paradigm, which deals with orderless collections (multisets), Fo...
How to pass parameters to anonymous class?
...vent e) {
// How would one access myVariable here?
// It's now here:
System.out.println("Initialized with value: " + anonVar);
}
private ActionListener init(int var){
anonVar = var;
return this;
}
}.init(myVariable) );
No 'final' declaration nee...
Sort Go map values by keys
...
Ah, okay. Thank you for teaching me. Now, it is printing all even then all odd. play.golang.org/p/K2y3m4Zzqd How can I get it to alternate so that it is in order?
– gramme.ninja
Apr 28 '14 at 2:20
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Visualizing branch topology in Git
...it difficult to maintain a mental model of all my branches and commits. I know I can do a git log to see the commit history from where I am, but is there a way to see the entire branch topography, something like these ASCII maps that seem to be used everywhere for explaining branches?
...
List directory tree structure in python?
I know that we can use os.walk() to list all sub-directories or all files in a directory. However, I would like to list the full directory tree content:
...
How to save picture to iPhone photo library?
...
You will now need to add 'Privacy - Photo Library Additions Usage Description' as of iOS 11 to save photos the users album.
– horsejockey
Nov 1 '17 at 15:26
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Reopen last closed tab in Visual Studio
...studio.com/… which includes the Power Commands. It‘s not working right now as I‘m writing and the bug report is here github.com/Microsoft/VS-PPT/issues/208
– bugybunny
Nov 8 '18 at 7:10
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How to calculate the difference between two dates using PHP?
...ects can be compared using comparison operators.
$date1 = new DateTime("now");
$date2 = new DateTime("tomorrow");
var_dump($date1 == $date2); // bool(false)
var_dump($date1 < $date2); // bool(true)
var_dump($date1 > $date2); // bool(false)
...
Why should I avoid using Properties in C#?
...to read than the equivalent method calls. I agree that developers need to know that properties are basically methods in disguise - but I think that educating developers about that is better than making code harder to read using methods. (In particular, having seen Java code with several getters and ...
Protected in Interfaces
...ed interface, but it's never made public in any way, only a few companies know the exact details in private. So, of course, interfaces can have any visibility! Why not in OOP?
– Foo Bar
Jan 21 '18 at 14:14
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