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Rating Stats for

Raphael Roth

Rating
1531.75 (17,048th)

Reputation
12,488 (11,732nd)

Page: 1 2 3 4 5 ... 15

Title	Δ
Using map() and filter() in Spark instead of spark.sql	-1.90
Cannot resolve symbol mapValue	0.00
Effect preservesPartitioning RDD true/false gives same result for m...	0.00
What is the Difference between Broadcast hash join and Broadcast Ne...	+0.44
How to copy column names of fields whose values are null of one dat...	0.00
Combining When clause with tail: _* on Spark Scala Dataframe	0.00
Spark Dataframe size check on columns does not work as expected usi...	0.00
Rolling correlation and average (last 3) Per Group in PySpark	+1.81
How to iteratively bring a Dataframe back to the driver in Spark	+0.48
getting Schema for type org.apache.spark.sql.Column is not supporte...	0.00
how to read and write (update) the same file using spark (scala)	0.00
Repartition does not affect number of tasks	-0.03
repartitionAndSortWithinPartitions & remove duplicates which a...	0.00
How do I cast String column of Dataframe As Struct in Spark	0.00
Perform multiple aggregations on different columns in same datafram...	-0.17
filter a sorted array in scala	0.00
Sum of only positive data of the column when aggregation in spark d...	+1.35
Best approach to divide the single column into multiple columns Dat...	-0.52
udf spark Scala return case class	0.00
Issue with Spark-scala Join . Looking for a better Approach	+0.48
What is the use of def first(columnName : String) : Column in Spark...	0.00
Scala/Spark - How to get first elements of all sub-arrays	-2.11
Histogram -Doing it in a parallel way	-0.96
Histogram -Doing it in a parallel way	-0.96
Spark 1.6 How to calculate repartition value	0.00
How to correctly join two dataframes in Spark	0.00
How to disable creating literals without lit?	0.00
Is dataframe.colums a Spark action?	-0.02
How does when function work with multiple matching cases?	0.00
How to register udf with input Array[(Date, Double)] in spark	0.00
Window function to convert n number of rows in a column to one sing...	-0.02
What part of this code will execute on Spark driver?	-0.24
SPARK : Does CBO in spark applies only to spark-sql only or is it a...	0.00
Spark dataframe missing columns when data are not available while u...	+0.48
Value collectAsMap is not a member of org.apache.spark.sql.Dataset[...	0.00
Spark performance transposing a DataFrame	0.00
IN Aggregation, based on SUM, select specific row-values in Apache...	0.00
Calculate value based on value from same column of the previous row...	+2.18
Spark 2.4 & Scala - Replace the Columns with implicit Function	0.00
Pass a column as an argument inside UDF Body	0.00
What should be the input type for a UDF taking in columns of type -...	0.00
Validate Scala case class at compile time	0.00
unable to store row elements of a dataset, via mapPartitions(), in...	0.00
Spark executors, tasks and partitions	0.00
Collect only not null columns of each row to an array	-0.02
How to check whether an Hive table is an external table using Spark...	+0.48
Retrieving a column value from a row object: no encoder found	0.00
DataFrame filter with multiple columns not working using &&...	0.00
how to update spark dataframe column containing array using udf	0.00
How to enforce processing only one task per executor in Spark?	0.00