Recent questions tagged apache-spark

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1 answer

Removing the header of a text file in SparkRDD

Jul 31, 2019 in Apache Spark by Jishan
 • 6,969 views
0 votes
1 answer

Does Caching stand as the only advantage in Spark compared to Hadoop?

Jul 31, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,188 views
0 votes
1 answer

How to format a string in Scala?

Jul 31, 2019 in Apache Spark by Drona
 • 1,384 views
0 votes
1 answer

How 'Scala Higher Order function' works in Scala?

Jul 31, 2019 in Apache Spark by Amrita
 • 1,244 views
0 votes
1 answer

How to work with multidimensional arrays in Scala?

Jul 31, 2019 in Apache Spark by Dipan
 • 1,431 views
0 votes
1 answer

How to concatenate sets in Scala?

Jul 31, 2019 in Apache Spark by Jitu
 • 2,909 views
0 votes
1 answer

How to find values common to two sets in Scala

Jul 31, 2019 in Apache Spark by Rashmi
 • 2,400 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
 • 4,729 views
0 votes
1 answer

How to declare sets with value in Scala?

Jul 30, 2019 in Apache Spark by Dhiraj
 • 1,547 views
0 votes
1 answer

PySpark not starting: No active sparkcontext

Jul 30, 2019 in Apache Spark by Karan
 • 5,750 views
0 votes
1 answer

Unable to use ml library in pyspark

Jul 30, 2019 in Apache Spark by Yashita
 • 3,631 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
 • 2,383 views
0 votes
1 answer

Unable to run the java- spark standalone program

Jul 30, 2019 in Apache Spark by Junaid
 • 1,883 views
+1 vote
2 answers

Spark: Dataframe vs Dataset

Jul 29, 2019 in Apache Spark by Jesse
 • 47,612 views
0 votes
1 answer

How to choose number of Executors and Executor cores?

Jul 29, 2019 in Big Data Hadoop by Kim
 • 4,195 views
0 votes
1 answer

Date formats : how to cast string to date?

Jul 29, 2019 in Apache Spark by Rahul
 • 6,481 views
0 votes
1 answer

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

Jul 29, 2019 in Apache Spark by Raghu
 • 1,527 views
0 votes
1 answer

How to search for a Key in a Scala Map?

Jul 29, 2019 in Apache Spark by Ronita
 • 1,764 views
0 votes
1 answer

How to concatenate Maps in Scala?

Jul 29, 2019 in Apache Spark by sunny
 • 3,185 views
0 votes
1 answer

How to declare a Empty Scala Map?

Jul 29, 2019 in Apache Spark by Tarinder
 • 3,428 views
0 votes
1 answer

"main" java.lang.NoClassDefFoundError: org/apache/hadoop/fs/FSDataInputStream

Jul 29, 2019 in Apache Spark by Rishi
 • 7,001 views
0 votes
1 answer

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

Jul 29, 2019 in Apache Spark by Nidha
 • 1,621 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
 • 2,081 views
0 votes
1 answer

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

Jul 29, 2019 in Apache Spark by Kamal
 • 4,080 views
0 votes
1 answer

What is Lazy val in Scala?

Jul 29, 2019 in Apache Spark by Ishaan
 • 1,647 views
0 votes
1 answer

What is Case Class in Scala?

Jul 29, 2019 in Apache Spark by Dinesh
 • 1,507 views
0 votes
1 answer

what is an anonymous function Scala?

Jul 29, 2019 in Apache Spark by Ritika
 • 1,721 views
0 votes
1 answer

Consider for-comprehensions in Scala. What are they syntactic sugars for?

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

What is Options in Scala?

Jul 26, 2019 in Apache Spark by Suraj
 • 1,152 views
0 votes
1 answer

What is tail-recursion in Scala?

Jul 26, 2019 in Apache Spark by Sumit
 • 1,332 views
0 votes
1 answer

What is the work of Yield Keyword in Scala?

Jul 26, 2019 in Apache Spark by Naina
 • 1,737 views
0 votes
1 answer

How to append a list in Scala?

Jul 26, 2019 in Apache Spark by Nishant
 • 6,735 views
0 votes
1 answer

Different types of identifiers in Scala?

Jul 26, 2019 in Apache Spark by rashmi
 • 1,531 views
0 votes
1 answer

How does Closure function works in Scala?

Jul 26, 2019 in Apache Spark by Mehnaj
 • 1,308 views
0 votes
1 answer

What is a lens in Scala?

Jul 26, 2019 in Apache Spark by Sahan
 • 1,658 views
0 votes
1 answer

What is function currying in Scala?

Jul 26, 2019 in Apache Spark by Lima
 • 1,472 views
0 votes
1 answer

How to call the Debug Mode in PySpark?

Jul 26, 2019 in Apache Spark by nitinrawat895
 • 11,380 points • 7,106 views
0 votes
1 answer

How to use nested function in Scala?

Jul 26, 2019 in Apache Spark by Dheer
 • 1,626 views
0 votes
1 answer

How to use Scala anonymous functions and why do we use it?

Jul 26, 2019 in Apache Spark by sunny
 • 1,555 views
0 votes
1 answer

Spark Submit: class does not exists

Jul 26, 2019 in Apache Spark by Rohit
 • 2,137 views
0 votes
1 answer

Spark: Read from Hive, store in HDFS

Jul 26, 2019 in Apache Spark by Kiran
 • 3,453 views
0 votes
1 answer

How to create Scala Array with Range?

Jul 25, 2019 in Apache Spark by Reshma
 • 1,238 views
0 votes
1 answer

How to concatinating Arrays in scala?

Jul 25, 2019 in Apache Spark by Ramisha
 • 2,273 views
0 votes
1 answer

How to process an Array in Scala?

Jul 25, 2019 in Apache Spark by Miland
 • 1,143 views
0 votes
1 answer

How to declare Scala array?

Jul 25, 2019 in Apache Spark by Richa
 • 1,279 views
0 votes
1 answer

At which point of time Scala will take default arguments?

Jul 25, 2019 in Apache Spark by Dhiraj
 • 1,047 views
0 votes
1 answer

What is recursion in Scala function? How does it works?

Jul 25, 2019 in Apache Spark by Disha
 • 1,609 views
0 votes
1 answer

How to create Scala function using "Def" keyword?

Jul 25, 2019 in Apache Spark by Nisha
 • 1,365 views
0 votes
1 answer

What is Streams in Scala?

Jul 25, 2019 in Apache Spark by Jina
 • 1,194 views
0 votes
1 answer

What is BitSet in Scala?

Jul 25, 2019 in Apache Spark by Jigar
 • 1,418 views
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