Scala is a general-purpose programming language principally targeting the Java Virtual Machine.
I want to change Typesafe config of a Spark job in dev/prod environment. It seems to me that the …
scala apache-sparkRelated to Stack Overflow question Scala equivalent of new HashSet(Collection) , how do I convert a Java collection (java.util.…
java scala scala-collections scala-2.7What is the best way to do an inverse sort in scala? I imagine the following is somewhat slow. list.…
scalaI am pretty new to spark and would like to perform an operation on a column of a dataframe so …
scala apache-spark apache-spark-sql regexp-replaceHow to convert Scala's scala.List into Java's java.util.List?
java scala scala-java-interopI have two dataframes with the following columns: df1.columns // Array(ts, id, X1, X2) and df2.columns // Array(ts, …
scala apache-spark apache-spark-sqlI am migrating from Impala to SparkSQL, using the following code to read a table: my_data = sqlContext.read.parquet(…
scala apache-spark hive apache-spark-sql hdfsIt's a sad fact of life on Scala that if you instantiate a List[Int], you can verify that your …
scala type-erasureWhat's the Scala recipe for reading line by line from the standard input ? Something like the equivalent java code : import …
java scala io java.util.scannerI wonder if there is a way to make asynchronous calls to a database? For instance, imagine that I've a …
java scala jdbc asynchronous nonblocking