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The scala package contains core types like Int, Float, Array or Option which are accessible in all Scala compilation units without explicit qualification or imports. Notable packages include: scala.collection and its sub-packages contain Scala's collections framework mutable.HashMap getOrElseUpdate not reentrant in 2.12 Showing 1-3 of 3 messages. [scala-user] mutable.HashMap getOrElseUpdate not reentrant in 2.12: Jason Zaugg: @Jaimeloeuf yes, we're certain this bug is fixed, assuming you have new enough versions of everything, and scala/scala-seed.g8 certainly has new enough versions of things so this was a reasonable place to begin asking, but I think you want to move to https://users.scala-lang.org at this point and provide full details/transcript on what you're doing, to help folks spot what's going wrong While using a Scala Stream to implement Fibonacci would automatically leverage memoization, one could also explicitly employ the very feature without Streams. For instance, by leveraging method getOrElseUpdate in a mutable Map, a memoize function can be defined as follows: The following examples show how to use scala.collection.mutable.Map.These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.

Sep 10, 2020 getOrElseUpdate(BlockManager.scala:881) at org.apache.spark.rdd.RDD. MapPartitionsRDD.compute(MapPartitionsRDD.scala:52) at May 27, 2020 Using maps in scala is very simple. getOrElseUpdate("yoleen1",op(5,6))//If the key does not exist, return the default value and add it to the Jun 5, 2020 BlockManager.doPutIterator(BlockManager.scala:1029) at org.apache.spark. storage.BlockManager.getOrElseUpdate(BlockManager.scala:760) Apr 6, 2017 getOrElseUpdate(MapLike.scala:194) at scala.collection.mutable.AbstractMap.

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All Feb 24, 2016 Scala allows the special keyword lazy in front of val in order to change the val to one that is lazily initialized. While lazy initialization seems Our elegant styles are featured in over 800 boutiques around the world.

Error:scalac: Error: scala.collection.immutable - Element-ui

Using Only Built-in Methods. Browse scala concurrent map getorelseupdate picsbut see also scala concurrent map example · Back to home · Go to. github上 tispark示例运行失败，com.pingcap Functional Relational Mapping for Scala · Scala.

The last item among the control abstraction is the for expression. The Scala's for loop is a swiss army knife of iterations. Scala for loop is just a syntactic sugar. Oct 28, 2019 createThroughDaemon(PythonWorkerFactory.scala:122) at getOrElseUpdate( BlockManager.scala:882) at org.apache.spark.rdd.RDD. getOrElseUpdate(MapLike.scala:194) at scala.collection.mutable.AbstractMap.getOrElseUpdate(Map.scala:80) at scala.reflect.macros.runtime. UnsatisfiedLinkError: /mxnet/scala-package/init-native/linux-x86_64/target/libmxnet-init-scala getOrElseUpdate(MapLike.scala:194) [INFO] at getOrElseUpdate(Map.scala:82) [INFO] at scala.reflect.macros.runtime.MacroRuntimes.standardMacroRuntime(MacroRuntimes.scala:50) getOrElseUpdate$(MapLike.scala:203) [error] at scala.collection.mutable.AbstractMap.getOrElseUpdate(Map.scala:80) [error] at scala.reflect.macros.runtime.
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The scala package contains core types like Int, Float, Array or Option which are accessible in all Scala compilation units without explicit qualification or imports. As I understand, TrieMap.getOrElseUpdate is still not truly atomic, and this fixes only returned result (it could return different instances for different callers before this fix), so the updater function still might be called several times, as documentation (for 2.11.7) says: Note: This method will invoke op at most once. ms getOrElseUpdate (k, d) If key k is defined in map ms, return its associated value. Otherwise, update ms with the mapping k -> d and return d.

Note that I don't want to use getOrElseUpdate here if I don't have to because it gets pretty verbose when you have nested maps and obscures what's actually going on in the code: m.getOrElseUpdate(1992, Map[String, Set[String]]()).getOrElseUpdate("foo", Set[String]()) ++= "bar" So I'm overriding HashMap's "default" method. This is the documentation for the Scala standard library. Package structure .
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Scala: HashMap med olika datatyper för olika nycklar möjligt?

Oct 9, 2019 ```scala private def consumeAbortedTxnsUpTo(offset: Long): Unit = { while ( abortedTransactions. getOrElseUpdate(abortedTxn.producerId Nov 27, 2020 [source, scala]¶. compute( split: Partition, context: TaskContext): Iterator[T].

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The following examples show how to use java.sql.ResultSet.These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.