Recent questions tagged scala

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Scalaz state monad examples

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569 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Difference between case object and object

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615 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Akka Kill vs. Stop vs. Poison Pill?

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1.0k views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Doing multiple column value look up after joining with lookup dataset

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741 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Why is join not possible after show operator?

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826 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Joining two dataframes without a common column

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927 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Underscore in List.filter

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850 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - How to remove parentheses around records when saveAsTextFile on RDD[(String, Int)]?

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858 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Spark-Monotonically increasing id not working as expected in dataframe?

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813 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - How to suppress info and success messages in sbt?

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962 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Spark ML VectorAssembler returns strange output

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790 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - scalac compile yields "object apache is not a member of package org"

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1.4k views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Unable to map on HList

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750 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Can't access Parent's Members while dealing with Macro Annotations

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638 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Addition of two RDD[mllib.linalg.Vector]'s

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743 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Setting textinputformat.record.delimiter in spark

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770 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Access Array column in Spark

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858 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Calculate Cosine Similarity Spark Dataframe

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1.0k views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Spark textFile vs wholeTextFiles

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808 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Type inference on method return type

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795 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - How to explode an array into multiple columns in Spark

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1.2k views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - How to transpose an RDD in Spark

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889 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Modify collection inside a Spark RDD foreach

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854 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - How to compute cumulative sum using Spark

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1.1k views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala parallel collections degree of parallelism

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616 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Why does Spark RDD partition has 2GB limit for HDFS?

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762 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Using context bounds "negatively" to ensure type class instance is absent from scope

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527 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Exploding nested Struct in Spark dataframe

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800 views 1 answer

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