Recent questions tagged scala

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scala - Liftweb: create a form that can be submitted both traditionally and with AJAX

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

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scala - Spark SQL filter multiple fields

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

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scala - If case class inheritance is prohibited, how to represent this?

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

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scala - Turn Slick logging off

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

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scala - how to compile single file in sbt

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

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scala - How does curly braces following trait instantiation work?

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

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scala - How to find max in a list of tuples?

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

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scala - Inheriting a trait twice

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

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1 answer 771 views

scala - How to convert X => Option[R] to PartialFunction[X,R]

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

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1 answer 871 views

scala - Match "fallthrough": executing same piece of code for more than one case?

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

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1 answer 747 views

scala - Play2 Framework proxy streaming content to client keeps connection open after streaming is done

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

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scala - Spark: sc.WholeTextFiles takes a long time to execute

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

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1 answer 641 views

scala - Testing a Play2 application with SecureSocial using dependency injection

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

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1 answer 661 views

scala - Why makes calling error or done in a BodyParser's Iteratee the request hang in Play Framework 2.0?

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

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1 answer 706 views

scala - Why method defined like "cons[B >: A](v: B)" accepts argument of type which is not supertype of A?

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

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1 answer 725 views

scala - How to do custom operations on GroupedData in Spark?

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

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1 answer 1.4k views

scala - Spark dataframe checkpoint cleanup

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

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1 answer 959 views

scala - How to read and write multiple tables in parallel in Spark?

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

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1 answer 833 views

scala - Iterate Over a tuple

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

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1 answer 962 views

scala - merge multiple small files in to few larger files in Spark

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

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1 answer 848 views

scala - Macro to access source code text at runtime

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

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1 answer 943 views

scala - Is there any difference between flatten and flatMap(identity)?

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

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1 answer 1.1k views

scala - Dropping empty DataFrame partitions in Apache Spark

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

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1 answer 665 views

scala - Continuations and for comprehensions -- what's the incompatibility?

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

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1 answer 964 views

scala - Shapeless: generic lens parameterized by case class or field

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

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1 answer 765 views

scala - Is there an Iteratee-like concept which pulls data from multiple sources?

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

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1 answer 886 views

scala - How to generate type hierarchy diagrams with Scaladoc?

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

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1 answer 985 views

scala - How to set heap size in play/activator?

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

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