I've written a very simple Sort scala program with Spark. object Sort { def main(args: Array[String]): Unit = { if (args.length < 2) {
Lets say I have a list of numbers: val numbers = List(15, 30, 110, 140, 170, 210) How can I count the number of integers per bin of a 100 in order to get: M
I have a very simple producer type program that tries to send a ByteMessage to a topic. My program is receiving the error com.solacesystems.jms.ConfigurationEx
I'm trying to setup Scala on IntelliJ IDE and when I create a new project it seems fine. When I import another project it errors: Extracting Structure Failed. T
I need to filter array of embedded documents inside a projection of an aggregation operation. I know there is this new $filter operator, but I do not know how t
I'm building scala project using gradle 4.5, scala 2.11.11/2.12.4 with JDK 1.8.0_162 and it was working fine until I upgrade to scala 2.11.12. With 2.11.12 I ke
I'm just getting use to Scala Single Abstract Method which I did not know well, until I went through several blogs on Type Class. I am able after few minutes to
When I am submitting the spark job from terminal I am getting below error that file does not exists. Although I have already placed config file to my local. spa
Is there any possibility using a framework for enabling / using Dependency Injection in a Spark Application? Is it possible to use Guice, for instance? If so,
I am using https://github.com/databricks/spark-csv , I am trying to write a single CSV, but not able to, it is making a folder. Need a Scala function which wil
I want to convert a simple JSON string such as {"Name":"abc", "age":10} to the corresponding JSON object (not a custom Scala object such as "Person"). Does Scal
I have a Scala function which passes message of type 'Any'. In most cases it will be a tuple of size 2. The function that receives this message needs to see the
I'm loading large datasets and then caching them for reference throughout my code. The code looks something like this: val conversations = sqlContext.read .f
I'm new to Scala, coming from Java, and I was just reading about traits. One thing that gets mentioned often is that traits don't (can't? won't?) have construc
The Spark code style requires four character indentation for multi parameter methods. So: the following code -as presently formatted by IJ - is incorrect: def
I work on spark application using (spark 2.0.0 & scala 2.11.8) and the application works fine within intellij Idea environment. I've extracted application a
In Scala I see such feature as object-private variable. From my not very rich Java background I learnt to close everything (make it private) and open (provide a
I'm trying to test determine that my actor spawned a child with the right parameters. There is testKit.expectEffect(Spawned(behavior,name,props)) But it's i
Is it possible to write a gatling script which connects to WebSocket and then performs actions (e.g. new HTTP requests) when certain messages are received (pref
Seems like this is a very "popular" question on SO with no definitive way to fix it but I'm asking the question anyway because I can provide some more details.
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