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 • 1,193 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 • 6,123 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 • 1,066 views
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How to create Scala Maps?

Nov 17, 2020 in Big Data Hadoop by Rajiv
 • 8,870 points • 815 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 • 885 views
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How to declare a variable in Scala?

Nov 16, 2020 in Big Data Hadoop by Rajiv
 • 8,870 points • 979 views
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How to import scala packages?

Nov 16, 2020 in Big Data Hadoop by anonymous
 • 8,870 points • 952 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 • 1,432 views
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How to execute scala programming?

Nov 16, 2020 in Big Data Hadoop by anonymous
 • 10,440 points • 1,108 views
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How to start working with scala?

Nov 16, 2020 in Big Data Hadoop by anonymous
 • 10,440 points • 901 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 • 8,745 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 • 4,935 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 • 8,279 views
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Difference between map() and mapPartitions() function in Spark.

Jan 23, 2020 in Apache Spark by akhtar
 • 38,260 points • 7,090 views
+2 votes
1 answer

Type mismatch error in scala

Aug 16, 2019 in Apache Spark by anonymous
 • 13,229 views
0 votes
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Join in RDD using keys

Aug 2, 2019 in Apache Spark by Jishan
 • 8,686 views
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1 answer

Scala: save filtered data row by row using saveAsTextFile

Aug 2, 2019 in Apache Spark by Hari
 • 2,032 views
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How to define SparkConf?

Aug 1, 2019 in Apache Spark by Danish
 • 692 views
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1 answer

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

Aug 1, 2019 in Apache Spark by Ramya
 • 5,223 views
+1 vote
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Scala: Convert text file data into ORC format using data frame

Aug 1, 2019 in Apache Spark by Rishi
 • 4,046 views
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1 answer

How to reverse a Scala list?

Aug 1, 2019 in Apache Spark by Niraj
 • 1,688 views
0 votes
1 answer

How to use uniform list in Scala?

Aug 1, 2019 in Apache Spark by Reshma
 • 1,856 views
0 votes
1 answer

How shallow copy carry out using Scala?

Aug 1, 2019 in Apache Spark by Sikha
 • 1,034 views
0 votes
1 answer

How to access variables in s string interpolation in Scala?

Jul 31, 2019 in Apache Spark by Pavitra
 • 1,599 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
 • 4,879 views
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1 answer

What is 'TRAITS' in Scala

Jul 31, 2019 in Apache Spark by pavitra
 • 1,218 views
0 votes
1 answer

Scala: Loading a csv file

Jul 31, 2019 in Apache Spark by Trisha
 • 1,450 views
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1 answer

What is the use of App class in Scala?

Jul 31, 2019 in Apache Spark by Rashmi
 • 11,969 views
0 votes
1 answer

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

Jul 31, 2019 in Apache Spark by Kunal
 • 3,059 views
0 votes
1 answer

How to create singleton classes in Scala?

Jul 31, 2019 in Apache Spark by Nimisha
 • 2,100 views
0 votes
1 answer

How to format a string in Scala?

Jul 31, 2019 in Apache Spark by Drona
 • 1,112 views
0 votes
1 answer

How 'Scala Higher Order function' works in Scala?

Jul 31, 2019 in Apache Spark by Amrita
 • 1,043 views
0 votes
1 answer

How to work with multidimensional arrays in Scala?

Jul 31, 2019 in Apache Spark by Dipan
 • 1,216 views
0 votes
1 answer

How to concatenate sets in Scala?

Jul 31, 2019 in Apache Spark by Jitu
 • 2,573 views
0 votes
1 answer

How to find values common to two sets in Scala

Jul 31, 2019 in Apache Spark by Rashmi
 • 2,096 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
 • 4,481 views
0 votes
1 answer

How to declare sets with value in Scala?

Jul 30, 2019 in Apache Spark by Dhiraj
 • 1,213 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
 • 2,136 views
+1 vote
2 answers

Spark: Dataframe vs Dataset

Jul 29, 2019 in Apache Spark by Jesse
 • 46,468 views
0 votes
1 answer

How to choose number of Executors and Executor cores?

Jul 29, 2019 in Big Data Hadoop by Kim
 • 3,936 views
0 votes
1 answer

Date formats : how to cast string to date?

Jul 29, 2019 in Apache Spark by Rahul
 • 6,253 views
0 votes
1 answer

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

Jul 29, 2019 in Apache Spark by Raghu
 • 1,314 views
0 votes
1 answer

How to search for a Key in a Scala Map?

Jul 29, 2019 in Apache Spark by Ronita
 • 1,565 views
0 votes
1 answer

How to concatenate Maps in Scala?

Jul 29, 2019 in Apache Spark by sunny
 • 2,962 views
0 votes
1 answer

How to declare a Empty Scala Map?

Jul 29, 2019 in Apache Spark by Tarinder
 • 3,090 views
0 votes
1 answer

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

Jul 29, 2019 in Apache Spark by Nidha
 • 1,359 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
 • 1,791 views
0 votes
1 answer

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

Jul 29, 2019 in Apache Spark by Kamal
 • 3,844 views
0 votes
1 answer

What is Lazy val in Scala?

Jul 29, 2019 in Apache Spark by Ishaan
 • 1,436 views
0 votes
1 answer

What is Case Class in Scala?

Jul 29, 2019 in Apache Spark by Dinesh
 • 1,273 views
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