Recent questions tagged scala

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Spark 1.6: java.lang.IllegalArgumentException: spark.sql.execution.id is already set

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765 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Find all implicits

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830 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - IntelliJ IDEA: Cannot import SBT project

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1.0k views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - sbt fails with java.lang.NoClassDefFoundError: sbt/ConsoleOut$

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1.1k views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - How can I fix the missing implicit value for parameter ta: TildeArrow in a test spec

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932 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Spark : Read file only if the path exists

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1.2k views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - error: expected class or object definition

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1.3k views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - How does | (pipe) in pattern matching work?

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1.1k views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - load a local file to spark using sc.textFile()

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841 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - How to pass a list of paths to spark.read.load?

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1.1k views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - launching a spark program using oozie workflow

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909 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Akka HTTP 2.0 to use SSL (HTTPS)

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968 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - How to create a graph from Array[(Any, Any)] using Graph.fromEdgeTuples

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709 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Can we able to use mulitple sparksessions to access two different Hive servers

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757 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Play: additional public / assets directory

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801 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - When applying `map` to a `Set` you sometimes want the result not to be a set but overlook this

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765 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Using Futures within Spark

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764 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Writing RDD partitions to individual parquet files in its own directory

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864 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - How to set default dependencies for all subprojects in SBT?

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754 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Cannot override a type with non-volatile upper bound

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856 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Why future has side effects?

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952 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Type casting using type parameter

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933 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - How to run a sbt-managed application project without sbt?

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905 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Akka-http: Accept and Content-type handling

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904 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Why can't the first parameter list of a class be implicit?

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853 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Is it possible to alias columns programmatically in spark sql?

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831 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - Merge Spark output CSV files with a single header

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891 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - How to force SBT to use Java 8?

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1.0k views 1 answer

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