scala-collections
Scala - get unique values from List with a twist
I have a list like this: val l= List((\"Agent\", \"PASS\"), (\"Agent\", \"FAIL\"), (\"Agent 1\", \"FAIL\"), (\"Agent\", \"PASS\"), (\"Agent 2\", \"PASS\") )[详细]
2023-01-31 04:23 分类：问答NoSuchMethodError when attempting to implicitly convert a java to scala collection
I started to receive this kind of error in my code: Message: java.lang.NoSuchMethodError:scala.collection.JavaConversions[详细]
2023-01-30 04:02 分类：问答Extending Scala collections: One based Array index exercise
As an exercise, I\'d like to extend the Scala Array collection to my own OneBasedArray (does what you\'d expect, indexing starts from 1).Since this is an immutable collection, I\'d like to have it ret[详细]
2023-01-29 14:09 分类：问答Efficiently returning the next larger value of a non-existing key in scala's sorted collections?
In scala, given a sorted map, tree or list, what is the most efficient way to return the next larger value of a non-existing key? Additionally, is it possible to get an \"iterator/cursor\" starting at[详细]
2023-01-29 09:53 分类：问答idiomatic "get or else update" for immutable.Map?
What is the idiomatic way of a getOrElseUpdate for immutable.Map instances?. I use the snippet below, but it seems verbose and inefficient[详细]
2023-01-29 04:53 分类：问答Scala: Best way to iterate over collection and populate Array
scala noob here, i have a collection (Seq) of xml nodes, and i would like to populate an Array based on each node:[详细]
2023-01-29 01:33 分类：问答recursively convert Map[Int, Map[Int, X]] to Array[Array[X]]
I am trying to write a function that converts between Maps with integer keys to the corresponding arrays. I have the base case done, but am trying to write the recursive case (i.e. multi-dimensional a[详细]
2023-01-28 17:38 分类：问答How to access and update a value in a mutable map of map of maps
I\'ve a three-level data structure (indentation and line breaks for readability): scala> import scala.collection.mutable.Map[详细]
2023-01-28 07:53 分类：问答How do I reflectively create a new collection?
I have an instance of a collection that I want to store externally and then restore back into the original collection type.For example[详细]
2023-01-28 06:14 分类：问答Scala return type when extending collection
If I write class Things extends scala.colle开发者_如何学Pythonction.immutable.HashSet[Int] new Things + 5[详细]
2023-01-27 04:42 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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