Raphael Roth

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Raphael Roth has asked 90 questions and find answers to 119 problems.

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Raphael Roth questions

Get executable name during runtime
Implicit conversion integer <--> logical in Fortran if statement
Invoke sed only on files which contain a certain string - problems with whitespaces in filenames
Unable to write method in Scala working both for Double and Float
Spark custom aggregation : collect_list+UDF vs UDAF
Cache not preventing multiple filescans?
What is the goal of the java.nio.file.CopyOption interface?
How to get the name of a Spark Column as String?
Plotly plot single trace with 2 yaxis
JNA with Fortran assumed size array

Raphael Roth answers

Grab last different data on Spark Dataframe?
Unsupported literal type class scala.collection.immutable.HashSet$HashTrieSet
Discarding first few values while calculating moving average using Spark window function
Spark udf with non column parameters
Conditional application of `filter`/`where` to a Spark `Dataset`/`Dataframe`
Get examples for rows that are removed by a filter from a spark dataframe
Calculate value based on value from same column of the previous row in spark
How do I use countDistinct in Spark/Scala?
Spark Get only columns that have one or more null values
How to add dependency to maven project? (How to find out GroupID / ArtifactID from external jar file) [duplicate]