villoro questions

villoro answers

• HASHBYTES, sha2_256 in sql introduce bad characters when called from python
• UPSERT in parquet Pyspark
• Columns with 'None' header when importing from xlsx to pandas
• pandas copy value from one column to another if condition is met
• Pandas Dataframe - Bin on multiple columns & get statistics on another column
• How to efficiently save a Pandas Dataframe into one/more TFRecord file?
• Speeding up a pandas iteration looking testing a condition on subsequent elements