flatMap is a Java and Scala function that works by applying a function that returns a sequence for each element in the list, and flattening the results into the original list.
I have a list of objects of class AA that contain a date and a list of objects of class …
android list kotlin android-recyclerview flatmapI expected to be able to use Stream::flatMap like this public static List<String> duplicate(String s) { …
java java-8 java-stream flatmapIn Swift, I am trying to flatten an array of dictionaries into one dictionary i.e let arrayOfDictionaries = [["key1": "value1"], ["…
arrays swift dictionary functional-programming flatmapWhat I'm trying to achieve is to run a series of observables conditionally. return observable.map(response => response) .flatmap(…
angular ecmascript-6 rxjs rxjs5 flatmapscala> List(List(1), List(2), List(3), List(4)) res18: List[List[Int]] = List(List(1), List(2), List(3), List(4)) scala> res18.flatten …
scala functional-programming flatmapHow I can merge List<Map<String,String>> to Map<String,String> using flatMap? …
java java-8 flatmapWhat is the best way to preform a flatMap on a DataFrame in spark? From searching around and doing some …
scala apache-spark dataframe flatmap