Recent questions tagged scala

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

scala - Advantages of F-bounded polymorphism over typeclass for return-current-type problem

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483 views 1 answer

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

scala - Akka-Stream implementation slower than single threaded implementation

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457 views 1 answer

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

scala - How is this case class match pattern working?

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601 views 1 answer

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

scala - Missing parameter type error by calling toSet?

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794 views 1 answer

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

scala - Spark 2.2 Illegal pattern component: XXX java.lang.IllegalArgumentException: Illegal pattern component: XXX

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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: long delay between jobs

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944 views 1 answer

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

scala - Getting subclasses of a sealed trait

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955 views 1 answer

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

scala - How to restrict actor messages to specific types?

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560 views 1 answer

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

scala - Limits of Nat type in Shapeless

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752 views 1 answer

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

scala - "dynamically" creating case classes with macros

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624 views 1 answer

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

scala - Why isn't Validation a Monad?

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620 views 1 answer

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

scala - assembly-merge-strategy issues using sbt-assembly

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898 views 1 answer

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

scala - Converting Map[String,Any] to a case class using Shapeless

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688 views 1 answer

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

scala - Map versus FlatMap on String

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702 views 1 answer

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

scala - Validation versus disjunction

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577 views 1 answer

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

scala - How do I run an sbt main class from the shell as normal command-line program?

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731 views 1 answer

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

scala - How do I get an instance of the type class associated with a context bound?

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638 views 1 answer

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

scala - Spark RDD default number of partitions

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655 views 1 answer

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

scala - How to reference external sbt project from another sbt project?

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713 views 1 answer

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

scala - Should I use the final modifier when declaring case classes?

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604 views 1 answer

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

scala - How to split a sequence into two pieces by predicate?

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659 views 1 answer

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

scala - How to force IntelliJ IDEA to reload dependencies from build.sbt after they changed?

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949 views 1 answer

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

scala - Split list into multiple lists with fixed number of elements

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707 views 1 answer

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

scala - Why spark-shell fails with NullPointerException?

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489 views 1 answer

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

scala - Instantiating a case class from a list of parameters

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574 views 1 answer

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

scala - Package objects

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517 views 1 answer

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

scala - How to wait for several Futures?

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638 views 1 answer

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

scala - How to print the contents of RDD?

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628 views 1 answer

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