Recent questions tagged apache-scala

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How to use scala Map size() method?

Nov 17, 2020 in Big Data Hadoop by anonymous
 • 8,870 points • 877 views
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error: value update is not a member of scala.collection.immutable.Map[String, Int]

Nov 17, 2020 in Big Data Hadoop by anonymous
 • 8,870 points • 5,450 views
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How to use scala map as mutable map?

Nov 17, 2020 in Big Data Hadoop by anonymous
 • 8,870 points • 803 views
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How to create Scala Maps?

Nov 17, 2020 in Big Data Hadoop by Rajiv
 • 8,870 points • 542 views
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How to create an objects using a keyword new?

Nov 16, 2020 in Big Data Hadoop by Rajiv
 • 8,870 points • 582 views
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How to declare a variable in Scala?

Nov 16, 2020 in Big Data Hadoop by Rajiv
 • 8,870 points • 666 views
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How to import scala packages?

Nov 16, 2020 in Big Data Hadoop by anonymous
 • 8,870 points • 653 views
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How to write a Scala program in script mode?

Nov 16, 2020 in Big Data Hadoop by Rajiv
 • 8,870 points • 1,111 views
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How to execute scala programming?

Nov 16, 2020 in Big Data Hadoop by anonymous
 • 10,480 points • 778 views
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How to start working with scala?

Nov 16, 2020 in Big Data Hadoop by anonymous
 • 10,480 points • 597 views
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Error: sql.out:Error: org.apache.spark.SparkException: Job aborted due to stage failure: Total size of serialized results of 381610 tasks (4.0 GB) is bigger than spark.driver.maxResultSize (4.0 GB)

Apr 29, 2020 in Apache Spark by akhtar
 • 38,260 points • 7,787 views
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1 answer

error: Caused by: org.apache.spark.SparkException: Failed to execute user defined function.

Apr 22, 2020 in Apache Spark by akhtar
 • 38,260 points • 4,283 views
0 votes
2 answers

java.lang.StringIndexOutOfBoundsException: String index out of range: 1

Jan 29, 2020 in Apache Spark by akhtar
 • 38,260 points • 7,641 views
0 votes
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Difference between map() and mapPartitions() function in Spark.

Jan 23, 2020 in Apache Spark by akhtar
 • 38,260 points • 6,508 views
+2 votes
1 answer

Type mismatch error in scala

Aug 16, 2019 in Apache Spark by anonymous
 • 12,402 views
0 votes
1 answer

Join in RDD using keys

Aug 2, 2019 in Apache Spark by Jishan
 • 8,318 views
0 votes
1 answer

Scala: save filtered data row by row using saveAsTextFile

Aug 2, 2019 in Apache Spark by Hari
 • 1,760 views
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How to define SparkConf?

Aug 1, 2019 in Apache Spark by Danish
 • 470 views
0 votes
1 answer

Scala - Error in Inheritance: <console>:: error: not found: value

Aug 1, 2019 in Apache Spark by Ramya
 • 4,843 views
+1 vote
1 answer

Scala: Convert text file data into ORC format using data frame

Aug 1, 2019 in Apache Spark by Rishi
 • 3,621 views
0 votes
1 answer

How to reverse a Scala list?

Aug 1, 2019 in Apache Spark by Niraj
 • 1,232 views
0 votes
1 answer

How to use uniform list in Scala?

Aug 1, 2019 in Apache Spark by Reshma
 • 1,527 views
0 votes
1 answer

How shallow copy carry out using Scala?

Aug 1, 2019 in Apache Spark by Sikha
 • 725 views
0 votes
1 answer

How to access variables in s string interpolation in Scala?

Jul 31, 2019 in Apache Spark by Pavitra
 • 1,135 views
0 votes
1 answer

Spark Error: StackOverflowError : Exception in thread "main" java.lang.StackOverflowError at org.apache.spark.rdd.UnionRDD$$anonfun$1.apply

Jul 31, 2019 in Apache Spark by Disha
 • 4,409 views
0 votes
1 answer

What is 'TRAITS' in Scala

Jul 31, 2019 in Apache Spark by pavitra
 • 807 views
0 votes
1 answer

Scala: Loading a csv file

Jul 31, 2019 in Apache Spark by Trisha
 • 1,082 views
0 votes
1 answer

What is the use of App class in Scala?

Jul 31, 2019 in Apache Spark by Rashmi
 • 11,376 views
0 votes
1 answer

What are these in scala : _* & @_*

Jul 31, 2019 in Apache Spark by Kunal
 • 2,617 views
0 votes
1 answer

How to create singleton classes in Scala?

Jul 31, 2019 in Apache Spark by Nimisha
 • 1,783 views
0 votes
1 answer

How to format a string in Scala?

Jul 31, 2019 in Apache Spark by Drona
 • 839 views
0 votes
1 answer

How 'Scala Higher Order function' works in Scala?

Jul 31, 2019 in Apache Spark by Amrita
 • 778 views
0 votes
1 answer

How to work with multidimensional arrays in Scala?

Jul 31, 2019 in Apache Spark by Dipan
 • 951 views
0 votes
1 answer

How to concatenate sets in Scala?

Jul 31, 2019 in Apache Spark by Jitu
 • 1,916 views
0 votes
1 answer

How to find values common to two sets in Scala

Jul 31, 2019 in Apache Spark by Rashmi
 • 1,741 views
0 votes
1 answer

How do find Max and Min values in a set in Scala?

Jul 30, 2019 in Apache Spark by Dhiman
 • 4,137 views
0 votes
1 answer

How to declare sets with value in Scala?

Jul 30, 2019 in Apache Spark by Dhiraj
 • 770 views
0 votes
1 answer

Scala: org.apache.poi.openxml4j.exceptions.InvalidFormatException: Your InputStream was neither an OLE2 stream, nor an OOXML stream

Jul 30, 2019 in Apache Spark by Nitin
 • 1,693 views
+1 vote
2 answers

Spark: Dataframe vs Dataset

Jul 29, 2019 in Apache Spark by Jesse
 • 45,743 views
0 votes
1 answer

How to choose number of Executors and Executor cores?

Jul 29, 2019 in Big Data Hadoop by Kim
 • 3,664 views
0 votes
1 answer

Date formats : how to cast string to date?

Jul 29, 2019 in Apache Spark by Rahul
 • 5,986 views
0 votes
1 answer

How to fit multiple assignment statements into one statement in Scala?

Jul 29, 2019 in Apache Spark by Raghu
 • 947 views
0 votes
1 answer

How to search for a Key in a Scala Map?

Jul 29, 2019 in Apache Spark by Ronita
 • 1,206 views
0 votes
1 answer

How to concatenate Maps in Scala?

Jul 29, 2019 in Apache Spark by sunny
 • 2,649 views
0 votes
1 answer

How to declare a Empty Scala Map?

Jul 29, 2019 in Apache Spark by Tarinder
 • 2,425 views
0 votes
1 answer

How the if-else statement is different for Scala and Java?

Jul 29, 2019 in Apache Spark by Nidha
 • 1,039 views
0 votes
1 answer

What is the differentiate between equals() and == in Scala. Is the latter the same as == in Java?

Jul 29, 2019 in Apache Spark by pavitra
 • 1,346 views
0 votes
1 answer

Scala: 30: error: value partitions is not a member of String

Jul 29, 2019 in Apache Spark by Kamal
 • 3,385 views
0 votes
1 answer

What is Lazy val in Scala?

Jul 29, 2019 in Apache Spark by Ishaan
 • 1,170 views
0 votes
1 answer

What is Case Class in Scala?

Jul 29, 2019 in Apache Spark by Dinesh
 • 965 views
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