Raphael Roth

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Raphael Roth has asked 79 questions and find answers to 102 problems.

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Raphael Roth questions

How to get the name of a Spark Column as String?
Plotly plot single trace with 2 yaxis
JNA with Fortran assumed size array
import implicit conversions without instance of SparkSession
concise way to filter and map a scala sequence of tuples containing options
Strange behavior in a code to test a thread-safe singleton
Count calls of UDF in Spark
Memory issues while loading two native libraries containing same symbols
Spring data xml configuration schema validation error
Unable to filter DataFrame using Window function in Spark

Raphael Roth answers

Spark Join of 2 dataframes which have 2 different column names in list
Spark / Scala: Split row into several rows based on value change in current row
gnuplot histogram errorbar problems
Collect only not null columns of each row to an array
Scala & DataBricks: Getting a list of Files
How to make key colour black in Gnuplot
What is the Difference between Broadcast hash join and Broadcast Nested loop join in Spark?
Access to WrappedArray elements
multiple insert into a table using Apache Spark
Gnuplot get value of a particular data in a datafile? (with or without using stats)