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Rating Stats for

Raphael Roth

Rating
1531.75 (17,048th)
Reputation
12,488 (11,732nd)
Page: 1 2 3 ... 15
Title Δ
Join Partitions in Spark SQL for better performance -0.08
improvement of a snippet of scala/spark code to improve performance +0.46
Spark Scala: Convert Map into Row object +0.43
Spark / Scala: Split row into several rows based on value change in... +1.70
Coalesce in spark scala 0.00
Spark Accumulator throws a class cast exception when trying to coun... 0.00
Spark SQL - Column is available after drop 0.00
Merge n DF's in a list to a single DataFrame - Scala 0.00
Use a column value as column name -0.53
orderby is not giving correct results in spark SQL +0.44
Spark UI for Pyspark -0.54
Reduce rdd of maps 0.00
Scala Spark use Window function to find max value +2.00
How to create a map column to count occurrences without udaf +1.47
How to create a map column to count occurrences without udaf +0.14
Doing a "WHERE IN" clause with Spark, how may I retrain o... 0.00
spark UDF don't accept Array 0.00
SortedSet fold type mismatch -0.57
Conflicts in spark-core dependencies. How does it work? 0.00
Is there a way to pass default case value as an argument -0.59
Spark: Merge columns of the same dataframe without creating additio... +0.45
Need to get fields from lookup file with calculated values using sp... -0.05
create customized output in Array struct type of a query result usi... 0.00
agg function to transform multiple rows to multiple columns with di... +1.84
How to create a Spark DataSet when the transformation is not 1:1, b... +1.86
I'm trying to store the names of Spark Scala columns in an arra... -0.53
How to write a generic function to evaluate column values inside wi... 0.00
How to convert struct function to a named_struct expression correct... +1.86
How to convert Dataframe to Map with key as one of column value? +0.43
Increase Executors while running Junit Test case in Spark Scala App... 0.00
How to dynamically rename a column in Spark DF based on the case cl... 0.00
can number of Spark task be greater than the executor core? -0.33
How to find size (in MB) of dataframe in pyspark? 0.00
Spark - Maintaing order of data across columns during groupby and c... +0.45
How to concatenate string in a scala.collection.mutable.WrappedArra... -0.34
Dynamic dataframe with n columns and m rows 0.00
Spark Scala : how to slice an array in array of array +0.49
Spark DataFrame - how to convert single column into multiple row +1.77
How to get distinct values from an element within list of tuples in... +2.22
How to handle Spark write errors? 0.00
Sufficient way in Spark to predict number of records in given hdfs... 0.00
Alternative to count in Spark sql to check if a query return empty... -1.95
delete records from dataframe where any of the column is null or em... +0.48
scala spark dataframe modify column with udf return value 0.00
Scala Spark Dataframe Create a new column with maximum of previous... +0.48
Spark Scala update dataframe 0.00
Spark SQL: get the value of a column when another column is max val... -0.39
How to call FileSystem from udf +0.49
How to create DataFrame from List \seq collection using spark creat... -0.51
Is it possible to make Spark UDF working with Array that could be N... 0.00