Scala Examples and Free Source Code

Apache Zeppelin Not Showing Full Stack Trace...

scala apache-spark apache-zeppelin iqr

scalafmt to check only modified files...

scala sbt scalafmt

JSON parsing removes decimal trailing zeros...

json scala decimal play-json

How can I go around an ambigous reference to overloaded definition error in Scala...

scala redis-streams

Case class and companion object sharing namespace and implementation?...

scala class boilerplate companion-object

Extracting value from a nested array in Spark...

arrays dataframe scala apache-spark apache-spark-sql

Expression Evaluation (Add, Mult,etc) with Cats-Effect...

scala scala-cats io-monad cats-effect

In scala 2 or 3, is it possible to debug implicit resolution process in runtime?...

scala implicit scala-reflect scalameta dotty

Parametric polymorphism issue with spark implicits, value toDF is not a member of Seq[T]...

scala apache-spark generics implicit scala-2.12

Spark - adding multiple columns under the same when condition...

scala apache-spark

When using a broadcasted spark variable in a udf, how do I ensure the variable is not used before it...

scala apache-spark apache-spark-sql spark-streaming

How to add extension method to a singleton object in scala 2?...

scala object pattern-matching extension-methods implicit

Does anybody know, how to properly print case class type hierarchy without creating one?...

scala logging reflection scala-macros

How to show the scheme (including type) of a parquet file from command line or spark shell?...

scala apache-spark parquet

Memory issues running spark locally in Intellij (scala)...

scala apache-spark

Map a Scala code generated by the Protocol Buffer Compiler from a .proto file to a simple scala case...

scala case-class scalapb

Scalatest - pretty error messsage outputs?...

scala scalatest

In scala 3, is it possible to make covariant/contravariant type constructor to honour coercive subty...

scala types implicit upcasting type-coercion

In Scala 2 or 3, is there a higher kind argument extractor without using match type?...

scala typeclass scala-3 higher-kinded-types match-types

How to filter parquet partitions based on date range?...

scala apache-spark filter apache-spark-sql partition

How To Create Temporary Directory in Scala Unit Tests...

scala unit-testing filesystems scalatest

How to do http requests with kerberos authentification?...

scala http kerberos

Is it possible to invoke parent fields in constructor of child class?...

scala class inheritance constructor default-value

main method not executed with App in Scala...

scala sbt scala-2.12

remove leading zeroes from a string / varchar in spark scala...

string scala apache-spark

Milo OPC UA UaException: status=Bad_UnexpectedError...

scala opc-ua opc milo

How to solve Longest Increasing Subarray in Scala functionally?...

scala collections

Convert Vector[String] to Dataframe in Scala Spark...

scala apache-spark scala-spark

What Does a Variable Defined before a Scala Function Mean?...

scala object templates generics context-bound

Spark: subtract dataframes but preserve duplicate values...

scala apache-spark apache-spark-sql