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klotz: scala* + spark*

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11. How to Extract Nested JSON Data in Spark - Big Datums

    2017-07-06 Tags: json, spark, scala by klotz
12. Loading Local File to Apache Spark - Hortonworks

    2017-02-07 Tags: spark, scala, files, geoip by klotz
13. maxmind-geoip2-scala

    2017-02-07 Tags: scala, geo, maxmind, spark, hadoop by klotz
14. Migration Guide: SQL, Datasets and DataFrame - Spark 3.0.1 Documentation

    2021-01-28 Tags: spark, spark 3.0, scala, python, migration, hadoop by klotz
15. Quick Start - Spark 2.0.2 Documentation

    2016-11-21 Tags: spark, scala, sbt, compile by klotz
16. scala - Derive multiple columns from a single column in a Spark DataFrame - Stack Overflow

    2017-02-06 Tags: spark, scala, columns by klotz
17. scala - Dropping a nested column from Spark DataFrame - Stack Overflow

    2016-12-16 Tags: spark, scala, etl, column, dataframe by klotz
18. scala - filter spark dataframe with row field that is an array of strings - Stack Overflow

    2016-11-28 Tags: spark, spark-sql, scala, array by klotz
19. scala - how to filter out a null value from spark dataframe - Stack Overflow

    df.withColumn("id", when($"id".isNull, 0).otherwise(1)).show

    2017-02-10 Tags: spark, scala, filter, null by klotz
20. scala - Spark dataframes: Extract a column based on the value of another column - Stack Overflow

    column name indirection

    2017-02-27 Tags: scala, spark, sql, tricks by klotz

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