mck questions

mck answers

• Find for each row the first non-null value in a group of columns and the column name
• Trying to create a column with the maximum timestamp in PySpark DataFrame
• 'StructType' object has no attribute 'toDDL'
• Saving an Matlabplot as an MLFlow artifact
• Pyspark filter dataframe if column does not contain string
• How to normalize and create similarity matrix in Pyspark?
• PySpark "illegal reflective access operation" when executed in terminal
• pyspark py4j.Py4JException: Method and([class java.lang.Integer]) does not exist
• If I cache a Spark Dataframe and then overwrite the reference, will the original data frame still be cached?
• Upload data to Redshift with PySpark