Trending questions in Apache Spark

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Load CSV file data inot MySQL

If you are trying to load file ...READ MORE

Jul 25, 2019 in Apache Spark by Sita
 • 1,190 views
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1 answer

How to use nested function in Scala?

Hey, With Scala, we can define a Scala ...READ MORE

Jul 26, 2019 in Apache Spark by Gitika
 • 65,770 points
edited Jun 1, 2023 by Srinath • 1,141 views
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Different types of identifiers in Scala?

Hey, We have four kinds of identifiers in ...READ MORE

Jul 26, 2019 in Apache Spark by Gitika
 • 65,770 points • 1,138 views
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Pyspark is taking default path

The HDFS path for MyLab is /user/edureka_id. ...READ MORE

Jul 16, 2019 in Apache Spark by Khushi
 • 1,576 views
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How to use yield keyword in scala and why it is used instead of println?

Hi, The yield keyword is used because the ...READ MORE

Jul 6, 2019 in Apache Spark by Gitika
 • 65,770 points • 2,016 views
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How to format a string in Scala?

Hey, To format a string, use the .format ...READ MORE

Jul 31, 2019 in Apache Spark by Gitika
 • 65,770 points • 929 views
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1 answer

How to declare sets with value in Scala?

Hey, You can follow this code: scala> var s=Set(1,4,4,3) s: ...READ MORE

Jul 30, 2019 in Apache Spark by Gitika
 • 65,770 points • 927 views
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What is the work of Yield Keyword in Scala?

Hey, Used with a loop, yield produces a value for ...READ MORE

Jul 26, 2019 in Apache Spark by Gitika
 • 65,770 points • 1,087 views
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1 answer

Scala pass input data as arguments

Please refer to the below code as ...READ MORE

Jun 19, 2019 in Apache Spark by Lisa
 • 2,684 views
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Which syntax to use to take the sum of list of collection in scala?

Hi, You can see this example to get ...READ MORE

Jul 5, 2019 in Apache Spark by Gitika
 • 65,770 points • 1,989 views
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What is recursion in Scala function? How does it works?

Hey, A Scala function involves recursion when it ...READ MORE

Jul 25, 2019 in Apache Spark by Gitika
 • 65,770 points • 1,101 views
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Which Scala library is used for functional programming?

Hi, Scala library has purely functional data structures ...READ MORE

Jul 24, 2019 in Apache Spark by Gitika
 • 65,770 points • 1,133 views
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How to use Scala anonymous functions and why do we use it?

Hi, Anonymous functions in Scala is the lightweight ...READ MORE

Jul 26, 2019 in Apache Spark by Gitika
 • 65,770 points • 1,046 views
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What is function currying in Scala?

Hi, With Scala Currying, we can take a ...READ MORE

Jul 26, 2019 in Apache Spark by Gitika
 • 65,770 points • 1,039 views
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How shallow copy carry out using Scala?

Hey, Scala uses the method copy() to carry ...READ MORE

Aug 1, 2019 in Apache Spark by Gitika
 • 65,770 points • 815 views
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How 'Scala Higher Order function' works in Scala?

Hey, Scala allows the definition of a higher-order function. These ...READ MORE

Jul 31, 2019 in Apache Spark by Gitika
 • 65,770 points • 854 views
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1 answer

How to run spark in Standalone client mode?

Hi, These are the steps to run spark in ...READ MORE

Jul 5, 2019 in Apache Spark by Gitika
 • 65,770 points • 1,950 views
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1 answer

What is Hive on Spark?

Hi, Hive contains significant support for Apache Spark, ...READ MORE

Aug 2, 2019 in Apache Spark by Gitika
 • 65,770 points • 708 views
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1 answer

What is tail-recursion in Scala?

Hey, Recursion is when a function makes a ...READ MORE

Jul 26, 2019 in Apache Spark by Gitika
 • 65,770 points • 935 views
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How to create Scala function using "Def" keyword?

Hi, To create a Scala function, we use ...READ MORE

Jul 25, 2019 in Apache Spark by Gitika
 • 65,770 points • 963 views
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1 answer

What is BitSet in Scala?

Hey, A BitSet is a set of non-negative ...READ MORE

Jul 25, 2019 in Apache Spark by Gitika
 • 65,770 points • 943 views
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0 answers

Load data to mysql from local

I'm trying to load data to mysql ...READ MORE

Jul 23, 2019 in Apache Spark by Yogi
 • 1,073 views
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How to create RDD from an external file source in scala?

Hi, To create an RDD from external file ...READ MORE

Jul 4, 2019 in Apache Spark by Gitika
 • 65,770 points • 1,865 views
0 votes
1 answer

How does Closure function works in Scala?

Hi, A closure in Scala is a function ...READ MORE

Jul 26, 2019 in Apache Spark by Gitika
 • 65,770 points • 855 views
0 votes
1 answer

What is the advantage of having immutability in design for Scala programming language?

Hi, Scala uses immutability by default in most ...READ MORE

Jul 24, 2019 in Apache Spark by Gitika
 • 65,770 points • 934 views
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1 answer

What is exception propagation in Scala?

Hi, When a function experiences an exception, it ...READ MORE

Jul 25, 2019 in Apache Spark by Gitika
 • 65,770 points • 895 views
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1 answer

How can we iterate any function using "foreach" function in scala?

Hi, Yes, "foreach" function you use because it will ...READ MORE

Jul 5, 2019 in Apache Spark by Gitika
 • 65,770 points • 1,722 views
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1 answer

How to declare Scala array?

Hi, We can declare Scala arrays in two ...READ MORE

Jul 25, 2019 in Apache Spark by Gitika
 • 65,770 points • 828 views
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1 answer

How to create Scala Array with Range?

Hey, The range() method will give us integers ...READ MORE

Jul 25, 2019 in Apache Spark by Gitika
 • 65,770 points • 816 views
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Why do we need App in Scala?

Hey, The app is a helper class that ...READ MORE

Jul 24, 2019 in Apache Spark by Gitika
 • 65,770 points • 851 views
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1 answer

How is Val different from var in Scala?

Hey, In this language, val is a value and var is ...READ MORE

Jul 24, 2019 in Apache Spark by Gitika
 • 65,770 points • 851 views
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1 answer

How to create RDD from parallelized collection in scala?

Hi, You can check this example in your ...READ MORE

Jul 4, 2019 in Apache Spark by Gitika
 • 65,770 points • 1,750 views
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load/save in spark

The reason why you are able to ...READ MORE

Jul 5, 2019 in Apache Spark by Firoz
 • 1,672 views
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How to define SparkConf?

Can anyone explain how to define SparkConf? READ MORE

Aug 1, 2019 in Apache Spark by Danish
 • 517 views
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Consider for-comprehensions in Scala. What are they syntactic sugars for?

Hi, A for-comprehension is one way to carry ...READ MORE

Jul 29, 2019 in Apache Spark by Gitika
 • 65,770 points • 610 views
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What is Streams in Scala?

Hi, A stream is a lazy list as ...READ MORE

Jul 25, 2019 in Apache Spark by Gitika
 • 65,770 points • 778 views
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What is Options in Scala?

Hey, A Scala Option is a kind of ...READ MORE

Jul 26, 2019 in Apache Spark by Gitika
 • 65,770 points • 715 views
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1 answer

Spark on Yarn

If you just want to get your ...READ MORE

Jul 18, 2019 in Apache Spark by ravikiran
 • 4,620 points • 1,046 views
0 votes
1 answer

Error: Loading data to mysql

You have to use sqoop to export data ...READ MORE

Jul 23, 2019 in Apache Spark by Janan
 • 836 views
0 votes
1 answer

Do real-time data processing is possible with Spark SQL?

Hey, Real-time data processing is not possible directly ...READ MORE

Jul 5, 2019 in Apache Spark by Gitika
 • 65,770 points • 1,615 views
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1 answer

How to process an Array in Scala?

Hi, We can use loop control structures to ...READ MORE

Jul 25, 2019 in Apache Spark by Gitika
 • 65,770 points • 705 views
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1 answer

Error Loading data to mysql in Spark

You have to use sqoop to export data ...READ MORE

Jul 11, 2019 in Apache Spark by Jishan
 • 1,277 views
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What is Lazy evaluated in Spark?

Hi, If you execute a bunch of programs, ...READ MORE

Jul 5, 2019 in Apache Spark by Gitika
 • 65,770 points • 1,533 views
0 votes
1 answer

Appending " to a string in Scala

1) Use the concat() function. Refer to the below ...READ MORE

Jul 23, 2019 in Apache Spark by Ritu
 • 752 views
0 votes
1 answer

Can we change the path where the Hive data is stored in HDFS?

Yes, you can but it has to ...READ MORE

Jul 14, 2019 in Apache Spark by Yogi
 • 1,138 views
0 votes
1 answer

At which point of time Scala will take default arguments?

Hi, If we omit an argument in a ...READ MORE

Jul 25, 2019 in Apache Spark by Gitika
 • 65,770 points • 597 views
0 votes
1 answer

Explain vararg arguments.

Hey, With varargs, we can pass a variable ...READ MORE

Jul 24, 2019 in Apache Spark by Gitika
 • 65,770 points • 615 views
0 votes
1 answer

Working of map function on data

The map function creates an array of ...READ MORE

Jul 11, 2019 in Apache Spark by Krish
 • 1,155 views
0 votes
1 answer

What is a Parquet file in Spark?

Hey, Parquet is a columnar format file supported ...READ MORE

Jul 2, 2019 in Apache Spark by Gitika
 • 65,770 points • 1,532 views
0 votes
1 answer

Changing Yarn queue in Spark application

To change the default queue to which ...READ MORE

Mar 28, 2019 in Apache Spark by Raj
 • 5,662 views
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